ˇ ˘ NORTH AMERICA ONLYgeoho.com.tw/carter/WDX STD/diedesweb/wdxbook/wdx25... · when greater...

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� �� 1FEB. 2006

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PREFERRED CASTING MATERIAL APPLICATION

NORTH AMERICA ONLY

TO DETERMINE FORCE/mm: MATERIAL TENSILE (MPa) X METAL THICKNESS DIVIDED BY 1000.

APPLICATION CONDITION "C" "B" "A"

MATERIAL USE FOR CLASS OF DIES

DIE SHOE / RISER STRONG STRUCTURE

WEAK STRUCTURE

G2500

D4512

G2500

D4512

G2500

D4512

DRAW DIE PUNCH WORK UNDER .5 kN FORCE/mm G3500 D6510 D6510

WORK OVER .5 kN FORCE/mm D6510 D6510 D6510

OUTER OVER .5 kN FORCE/mm D6510 D6510 0050A

DRAW DIE BINDER WORK UNDER .5 kN FORCE/mm G3500

WORK OVER .5 kN FORCE/mm D6510 D6510

D6510

D6510

D6510

AND CAVITIES

TRIM DIE LOWER CAP

NO CAP

D6510 0050A CAP

D6510 NOCAP

0050A

TRIM STEELS OR WORK UNDER .5 kN FORCE/mm

WORK OVER .5 kN FORCE/mm

D6510

CC#1

CC#1

CC#1

CC#1

CC#1CAST


WORK UNDER .5 kN FORCE/mm

CC#1

CC#1 CC#1

BAR S-7

TRIM DIE STRIPPERS

WEAK STRUCTURE

STRONG STRUCTURE G2500

D4512

G2500

D4512

G2500

D4512

FORM AND FLANGE WORK UNDER .5 kN FORCE/mm


G3500

D6510

G3500

D6510

G3500

D6510

FORM & FLANGE

BAR

CAST

S-7

S-7

S-7

S-7

S-7

S-7INSERTS

FORM & FLANGE PADS WORK UNDER .5 kN FORCE/mm


G3500

D6510

G3500

D6510

G3500

D6510

CAM DRIVERS D4512 D4512 D4512ALL STRUCTURE





INSERTS

NON-INSERTS

CAM SLIDES

D4512

G3500

D6510

D4512

D6510

D6510

D4512

N/A

N/A

G2500 G2500 G2500

OUTER OVER .5 kN FORCE/mm D6510 D6510 0050A

CAP

OR

NOTE: FOR HIGH STRENGTH PARTS SEE W-DX25-55M PAGES 1 THRU 12

OUTERALUMINUM

G2500

D4512

0050A

0050A

0050A

0050A

0050A

0050A

S-7

S-7

D4512

D4512

0030

D6510

D6510

CALDIE-

CC#1

N/A

N/A

G2500

D4512

EXCEPTION 00300030 0030 0030

N/A

N/A

CC#1

S-7

BLANK STEELS

POST

ALL STRUCTURE

N/A

N/A

ALL STRUCTURE

ALL STRUCTURE

THE MATERIAL TENSILE STRENGTH CAN BE FOND ATwww.ss.ford.com/departments/stamping/atme/stmp_lab/stmp_lab.htm

CC#1

BAR INSERT

LOWER POSTG2500

ALL SO SEE W-DX25-50MPAGE 4

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� �� 3FEB. 2006

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TRIM, PIERCE AND AERIAL CAM TRIMPREFERRED CASTING MATERIAL APPLICATION

NORTH AMERICA ONLY

TYPICAL SECTION

STRONG STRUCTURE

WEAK STRUCTURE



STRIPPER PAD

TRIM STEELS

DIE SHOE UPPER

TRIM STEELS

APPLICATION

(BAR)

(CAST)

CONDITIONMATERIAL USE FOR CLASS OF DIES

"A"

CC #1

NO CAPD6510

"C"

D6510

G2500

D4512

D4512

G2500

G2500

D4512

G2500

D4512

"B"

G2500

D4512

D4512

G2500STRONG STRUCTURE

WEAK STRUCTURE

LOWER CAP

CC #1

CC #1

NON-INSERTS

CAM DRIVERNOT SHOWN

G3500 D6510 N/A

D4512 D4512 D4512

ALUMINUM OUTER

G2500

D4512

N/A

D4512ALL STRUCTURE

CALDIE- BAR

EXCEPTION 0030 0030 0030

G2500

D4512

0030

CC #1 CC #1

CC #1

LOWER DIE SHOE TO BE G2500 WHEN CAP IS USED.

NOTE: FOR HIGH STRENGTH PARTS

SEE W-DX25-55M PAGES 1 THRU 12.

CAPD6510 NO

OR0050A CAP

0050A

CAP

UPPER/LOWER

ON TOP OFG2500 SHOE

INSERTALL STRUCTURE


CAM SLIDE NOT SHOWN

INSERTS

WORK UNDER .5 kN FORCE/mm G2500 G2500 G2500 D4512

CC #1

G2500LOWER POST

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NORTH AMERICA ONLY

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� �� 7FEB. 2006

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*

*

*

CASTING CALL OUT TO DESIGNATE UNDERLINED PORTION OF SAE NUMBER ONLY.

FOR PANELS MADE OF MILD STEELCASTINGS MATERIAL LIST AND USAGE

CASTING

RESISTINGSTEEL

WEAR

AISI-D2

.30 CARBON

CASTING

RESISTING

NODULARFERRITIC

HARDENING

STEEL

WEAR

CAST STEEL

ALLOYFLAME

IRON

AISI-S7

85 KSI. MIN.TENSILE STRENGTH

SAE-J435c/0050A

60 KSI. MIN.TENSILE STRENGTHSAE-J434c/D4512

HARDENING

IRON FORNODULARPEARLITIC

CASTINGSHARDENING

GRAY IRON

FLAME

FLAME

ALLOY

MAX.

80 KSI. MIN.

SAE-J434c/D6510

STRENGTHTENSILE

SAE-J431/G3500

STRENGTHTENSILE

45 KSI. MIN.

STRENGTH65 KSI. MIN.

*

CASTINGS

LOW CARBON

MATERIAL

STEEL

IRONCASTGRAY

SAE-J435c/0030

SAE-J431/G2500

FORD NUMBER

STRENGTH

TENSILE

30 KSI. MIN.

*

TENSILE*

USE D2 BAR STOCK FOR SECTIONS WITH SLIGHT CONTOURSEVERE DRAW CONDITIONS (ON APPROVAL ONLY).INSERTS FOR HIGH PRESSURE WEAR AREAS WITHUPPER FLANGE SECTIONS - WIPE ONLY.

Rc 58-62 "N"

USE AISI-S7 BAR STOCK FOR SECTIONS WITH SLIGHT

45` FORM AND FLATTEN HEM FLANGE DIE SECTIONS

WHERE STRENGTH AND TOUGHNESS ARE REQUIRED.DIE SHOES, PUNCH SHOES, PADS, SPECIAL ADAPTORS

REQUIRING ADDED STRENGTH.MALE DRAW PUNCHES FOR DRAW DIE RINGS

RESTRIKE SECTIONS.

WITH SUFFICIENT SHAPE.

CONTOUR.

FORM HEM FLANGE & FLATTEN HEM FLANGE BUCKS.

FOR ULTIMATE STRENGTH SAE-J435c/0050A CAN BEREQUIRED.

LOWER INSERTS, DRAW PUNCHES IF TOUGHNESS ISINVERTED OR CONVENTIONAL DRAW DIE RINGS,

AND DRAW PUNCHES.DRAW DIE BINDER RINGS, LOWER INSERT,

FLANGE DIE PADS (ALSO IDEAL FOE EDM PROCESS).

IDEAL FOR EDM PROCESS: SEE W-DX12-10M.

HARDENED BUCK.FLANGE DIE BUCK- WHEN FLANGING ON FLAME

STRENGTH, TOUGHNESS & WELD ABILITY ARE DESIRED.THIRD ACTION DRAW DIES. USE IF HIGH YIELD

USED WITH APPROVAL.

REQUIRED.

Rc 55 - 56

1725` F

Rc 56-58TEMPERDOUBLEHIGH HEAT

"NA"

TOHARDENED FLAME

HARDENED FLAMECANNOT BE

Rc 54-58

IH

TOHARDENEDINDUCTION

Rc 58 MIN. TOHARDENED FLAME

HARDENEDOR "U" SHAPE. CAM DRIVERS FOR MECHANICALENGINEERING CHANGES. CAM SLIDES WITH WINGSPIERCE DIE PADS AND BUCKS SUBJECT TO MANY

HARDENING IS NOT REQUIRED.USE WHEN CROSS SECTION IS SUFFICIENT AND FLAMERISERS, CAM SLIDES WITH HIGH COMPRESSIVE LOADS.PUNCH AND DIE SHOES, TRIM DIE PADS, ADAPTORS,

USAGE

HARDENED

FLAMECANNOT BE

FLAMENOT TO BE

HEAT TREAT

WHEN GREATER STRENGTH THAN SAE-J431/G3500 IS

WHENEVER FLAME HARDENING MATERIAL IS USED, IT IS THE DESIGN SOURCE'S RESPONSIBILITY TOSPECIFY FLAME HARDENING IS REQUIRED IN THE REMARKS COLUMN OF THE ESP REPORT.

WAS D5506

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DIE ENGINEERING APPROVALUSE OF D2 STEEL, REQUIRES

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� �� 10FEB. 2006

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SPECIFICATION FOR PROPRIETARY CASTING MATERIALSNORTH AMERICA ONLY

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� �� 11FEB. 2006

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SPECIFICATION FOR PROPRIETARY WROUGHT MATERIALS A.K.A. BAR STOCKNORTH AMERICA ONLY

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NEXT PAGE --><-- PREVIOUS PAGE

MATERIAL AND HEAT-TREAT SPECIFICATIONS

A-2 IS A GENERAL PURPOSE, AIR-HARDENING TOOL STEEL. IT HAS A WIDE RANGE OF TOOLING APPLICATIONSWITH MORE ABRASION RESISTANCE THAN THE "S" SERIES SHOCK STEELS AND BETTER TOUGHNESS AND DUCTILITYTHAN THE "D" SERIES WEAR STEELS. WHEN PROPERLY ANNEALED, A-2 HAS A MACHINABILITY RATING OF 60 ASCOMPARED WITH A 1% CARBON STEEL RATED AT 100.

SUB-ZERO

R. TEMP

500 Fo

1000 Fo

1500 Fo

2000 Fo

FURNACE: TO AVOID DECARBURIZATION, THIS GRADE SHOULD BE HARDENED IN A CONTROLLED NEUTRAL ATMOSPHERE, VACUUM OR NEUTRAL SALT FURNACE ENVIRONMENT.

1. ANNEAL: HEAT TO 1650 F, SOAK TWO HOURS PER INCH OF THICKNESS. COOL 40 F PER HOUR TO 900 F. o o o

AIR COOL TO ROOM TEMPERATURE. APPROXIMATE ANNEALED HARDNESS 235 HB MAX.

2. STRESS RELIEF OF UNHARDENED MATERIAL: HEAT SLOWLY TO 1200-1250 F. SOAK TWO HOURS PER INCH o

OF THICKNESS AT HEAT. SLOW COOL, (FURNACE COOL IF POSSIBLE), TO ROOM TEMPERATURE.

3. PREHEAT: HEAT TO 1200 F, AND HOLD AT THIS TEMPERATURE UNTIL THOROUGHLY SOAKED.o

4. HARDEN: HEAT TO 1750-1800 F, SOAK AT HEAT FOR 45-60 MINUTES PER INCH OF GREATEST THICKNESS.o

5. QUENCH: AIR QUENCH TO 150 F. TEMPER IMMEDIATELY.o

6. TEMPER: DOUBLE TEMPER IS MANDATORY, THREE TEMPERS ARE SOMETIMES PREFERRED. SOAK FOR TWO HOURS PER INCH OF THICKNESS AT HEAT. SLOW COOL TO ROOM TEMPERATURE BETWEEN TEMPERS.

7. OPTIONAL SUB-ZERO TREATMENT: FOLLOWING AN INITIAL TEMPER (NEVER AS A CONTINUATION OF THE QUENCH), SOAK AT SUB-ZERO TEMPERATURE FOR TWO HOURS PER INCH OF THICKNESS AND SLOWLY BRING BACK TO ROOM TEMPERATURE. TEMPER AFTER SUB-ZERO TREATMENT.

8. STRESS RELIEF TEMPER: A STRESS RELIEF TEMPER FOR HARDENED MATERIAL IS STRONGLY RECOMMENDED AFTER SIGNIFICANT GRINDING, WELDING OR EDM. SELECT A TEMPERATURE THAT IS 25 OR 50 F LOWER o

THAN THE LAST TEMPERING TEMPERATURE USED.

TEMPERING ROCKWELL C

AS QUENCHED

400 Fo

500 Fo

600 Fo

800 Fo

1 IN. SPECIMENS WERE QUENCHED FROM 1775 F.O/ o

64

60

56

56

56


1000 Fo

1100 Fo

1200 Fo

1300 Fo

56

56

50

43

34

900 Fo

1. 2.

3.

4.

5.

6. 6. 6. 8.

7.

A-2 TOOL STEEL C 1.00 Mo 1.00 Cr 5.00 V 0.20

12 APRIL 1996

WELDING: WHEN WELDING AISI A-2 IN THE ANNEALED OR HARDENED CONDITION USE AN A-2 WELD ROD. PREHEAT AND POSTHEAT ANNEALED STEELS AT 400-900 F, HARDENED STEELS TO 400-500 F. MAINTAIN THE o o

PREHEAT TEMPERATURE AS THE INTERPASS TEMPERATURE. DOUBLE TEMPER HARDENED STEELS 25-50 F BELOW o

THE LAST TEMPERING TEMPERATURE USED AFTER WELDING. THE RESULTING HARDNESS SHOULD BE HRC 56-58 WHEN USING THE A-2 TYPE ROD.

PRINTED COPY ISUNCONTROLLED

wdx2501m.pdf


D-2 IS A HIGH CARBON, HIGH CHROMIUM, AIR-HARDENING TOOL STEEL. IT WAS FORMULATED TO COMBINE EXCELLENT ABRASION RESISTANCE AND AIR-HARDENING CHARACTERISTICS. D-2 HAS BECOME THE TOOL AND DIE STANDARD AGAINST WHICH OTHER TOOL STEELS ARE MEASURED FOR ABRASION RESISTANCE, DIMENSIONAL STABILITY IN HARDENING AND AIR-HARDENING CHARACTERISTICS. WHEN PROPERLY ANNEALED, D-2 HAS A MACHINABILITY RATING OF 45 AS COMPARED TO A 1% CARBON STEEL RATED AT 100.

SUB-ZERO

R. TEMP

500 Fo

1000 Fo

1500 Fo

2000 Fo

FURNACE: TO AVOID DECARBURIZATION, THIS GRADE SHOULD BE HARDENED IN A CONTROLLED NEUTRAL ATMOSPHERE,VACUUM OR NEUTRAL SALT FURNACE ENVIRONMENT.

1. ANNEAL: HEAT TO 1650 F, SOAK 1-1/2 HOURS PER INCH OF THICKNESS. COOL 20 F PER HOUR TO 900 F.o o o

COOL DOWN WITH FURNACE TO ROOM TEMP. ANNEALED HARDNESS 220 MAX. BRINELL.

2. STRESS RELIEF OF UNHARDENED MATERIAL: HEAT SLOWLY TO 1200-1250 F. SOAK TWO HOURS PER INCH OFo

THICKNESS AT HEAT. SOAK, SLOW COOL (FURNACE COOL IF POSSIBLE) TO ROOM TEMPERATURE.

3. PREHEAT: HEAT TO 1250 F, HOLD AT THIS TEMPERATURE UNTIL THOROUGHLY SOAKED.o

4. HARDEN: HEAT TO 1850 F, SOAK AT HEAT FOR 45-60 MINUTES PER INCH OF THICKNESS. FOR A HIGHLYo

ALLOYED MATERIAL AS D-2, IT IS IMPORTANT TO SOAK MATERIAL SUFFICIENTLY LONG TO GET ALL OF THE ELEMENTS INTO SOLID SOLUTION DURING THE AUSTENITIZE. PROPER RESPONSE TO HEAT TREATMENT WILL DEPEND ON THIS. THEREFORE, FOR ITEMS UNDER ONE INCH IN THICKNESS, SOAKING TIME SHOULD BE 45-60 MINUTES MINIMUM.


6. TEMPER: DOUBLE TEMPER IS MANDATORY, THREE TEMPERS ARE SOMETIMES PREFERRED. SOAK FOR TWO HOURS PER INCH OF THICKNESS AT HEAT. AIR COOL TO ROOM TEMP. BETWEEN TEMPERS. DOUBLE TEMPER AT THE RANGE OF SECONDARY HARDNESS, 900-960 F STRONGLY RECOMMENDED.o


8. STRESS RELIEF TEMPER: A STRESS RELIEF TEMPER FOR HARDENED MATERIAL IS STRONGLY RECOMMENDED AFTER SIGNIFICANT GRINDING, WELDING OR EDM. SELECT A TEMPERATURE THAT IS 25 OR 50 F LOWERo



AS QUENCHED

400 Fo

500 Fo

600 Fo

700 Fo

SPECIMENS WERE AIR QUENCHED FROM 1850 F.o

64

60

58

58

58


900-960 Fo

1000 Fo

1100 Fo

1200 Fo

57

58/60

56

48

40

800 Fo

1. 2.

3.

4.

5.

6. 6. 6. 8.

7.

C 1.55 Mo 0.80 Cr 11.50 V 0.90D-2 TOOL STEEL MATERIAL AND HEAT-TREAT SPECIFICATIONS

APRIL 1996 13

WELDING: WHEN WELDING AISI D-2 IN THE ANNEALED OR HARDENED CONDITION USE AN A-2 WELD ROD. PREHEATAND POSTHEAT ANNEALED AT 400-900 F, AND HARDENED STEELS 900-950 F. MAINTAIN THE PREHEAT TEMP. ASo o

THE INTERPASS TEMPERATURE. DOUBLE TEMPER HARDENED STEELS 25-50 F BELOW THE LAST TEMPERINGo

TEMPERATURE USED AFTER WELDING. THE RESULTING HARDNESS SHOULD BE HRC 56-60 WHEN USING THE A-2 TYPE ROD.

PRINTED COPY IS UNCONTROLLED

wdx2501m.pdf


M-2 MOLYBDENUM HIGH SPEED STEEL IS A GENERAL PURPOSE HIGH SPEED STEEL WHICH HAS BALANCED ABRASION, SHOCK RESISTANCE AND GOOD RED HARDNESS. WHEN PROPERLY ANNEALED, M-2 HAS A MACHINABILITY RATING OF 50 WHEN COMPARED TO A 1% CARBON STEEL RATED AT 100.

SUB-ZERO

R. TEMP

500 Fo

1000 Fo

1500 Fo

2000 Fo


1. ANNEAL: HEAT TO 1600 F, SOAK THOROUGHLY AT HEAT. FURNACE COOL 25 F PER HOUR TO 900 F, AIR COOLo o o

TO ROOM TEMPERATURE. APPROXIMATE ANNEALED HARDNESS 241 MAX. BRINELL.

2. STRESS RELIEF OF UNHARDENED MATERIAL: HEAT SLOWLY TO 1200-1250 F. SOAK TWO HOURS PER INCH OFo

THICKNESS AT HEAT. SLOW COOL (FURNACE COOL IF POSSIBLE) TO ROOM TEMPERATURE.

3. PREHEAT: HEAT SLOWLY TO 1550 F, HOLD UNTIL THOROUGHLY SOAKED, HEAT TO 1850 F, SOAK THOROUGHLY.o o

4. HARDEN: TOTAL HEATING TIME IN THE FURNACE VARIES FROM A FEW MINUTES TO A MAX. OF 15 MINUTES, DEPENDING ON THE SIZE OF THE TOOL, THE RELATIVE HEAT CAPACITY OF THE FURNACE AND THE SIZE OF THE CHARGE. HEAT TO 2150-2200 F FOR MAXIMUM TOUGHNESS AND MINIMUM DISTORTION. HEAT TO o

2250-2275 F FOR MAXIMUM HARDNESS AND ABRASION RESISTANCE.o

5. QUENCH: TO DEVELOP FULL HARDNESS, OIL QUENCHING TO 150-200 F IS PREFERRED. FOR AIR o

QUENCHING, QUENCH TO 150 F. FOR SALT QUENCHING THE HOT SALT SHOULD BE MAINTAINED JUST ABOVE o

THE MS TEMPERATURE. AFTER EQUALIZING, PARTS SHOULD BE WITHDRAWN FROM THE SALT AND AIR COOLED TO 150 F. TEMPER IMMEDIATELY.o

6. TEMPER: DOUBLE TEMPER IS MANDATORY, THREE TEMPERS ARE PREFERRED. SOAK FOR TWO HOURS PER INCH OF THICKNESS. AIR COOL TO ROOM TEMPERATURE BETWEEN TEMPERS. THE BEST TEMPERING RANGE FOR M-2 IS 1000-1050 F. THIS RESULTS IN THE BEST COMBINATION OF CUTTING ABILITY, HARDNESS, STRENGTH o

AND TOUGHNESS.


8. STRESS RELIEF TEMPER: A STRESS RELIEF TEMPER FOR HARDENED MATERIAL IS STRONGLY RECOMMENDED AFTER SIGNIFICANT GRINDING, OR WELDING, OR EDM. SELECT A TEMPERATURE THAT IS 25 OR 50 F LOWER o



AS QUENCHED

400 Fo

500 Fo

600 Fo

700 Fo

1 IN. SPECIMENS WERE AIR QUENCHED FROM 2250 F.O/ o

64

63

62.5

62.5

62.5


1000 Fo

1050 Fo

1100 Fo

1150 Fo

64

65.5

63.5

61.5

60

900 Fo

1. 2.

3.

4.

5.

6. 6. 6. 8.

7.

M-2 HIGH SPEED STEEL C 0.83 Cr 4.15 Mo 5.00 V 1.90 W 6.35

MATERIAL AND HEAT-TREAT SPECIFICATIONS

800 Fo 63.5 1200 Fo 53

14 APRIL 1996

WELDING: WHEN WELDING AISI M-2 IN THE ANNEALED OR HARDENED CONDITION USE AN M-2 WELD ROD. PREHEAT AND POSTHEAT ANNEALED STEEL AT 950-1200 F, AND HARDENED STEEL AT 950-1050 F. MAINTAIN THE o o


THE LAST TEMPERING TEMPERATURE USED AFTER WELDING. THE RESULTING HARDNESS SHOULD BE HRC 58-62 WHEN USING THE M-2 TYPE ROD.


wdx2501m.pdf



S-7 IS A SHOCK RESISTING TOOL STEEL WITH EXCELLENT IMPACT PROPERTIES-UNNOTCHED CHARPY IMPACT STRENGTH OF 180 FT-LB. AT HRC 58. BECAUSE IT IS AN AIR-HARDENING STEEL, IT IS SAFE AND STABLE INHEAT TREATMENT. S-7’S MOST IMPORTANT CHARACTERISTIC IS ITS VERSATILITY. IT IS USED WIDELY FOR MEDIUM COLD WORK TOOLS AND DIES, PLASTIC-MOLDING DIES, SHEAR BLADES, MEDIUM HOT WORK DIES, MASTER HOBS AND PARTS OF MANY PRODUCTS. WHEN PROPERLY ANNEALED, S-7 HAS A MACHINABILITY RATING OF 70 AS COMPARED TO A 1% CARBON STEEL RATED AT 100.

SUB-ZERO

R. TEMP

500 Fo

1000 Fo

1500 Fo

2000 Fo


1. ANNEAL: HEAT 1550 F, SOAK FOR 1-1/2 HOURS PER INCH OF THICKNESS. COOL 25 F PER HOUR TO 900 F. AIRo o o

COOL TO ROOM TEMPERATURE. APPROXIMATE ANNEALED HARDNESS 230 MAX. BRINELL.

2. STRESS RELIEF OF UNHARDENED MATERIAL: HEAT SLOWLY TO 1250 F. SOAK FOR TWO HOURS PER INCH OFo

THICKNESS AT HEAT. SLOW COOL (FURNACE COOL IF POSSIBLE) TO ROOM TEMP.

3. PREHEAT : HEAT 1050 TO 1250 F, HOLD AT THIS TEMPERATURE UNTIL THOROUGHLY SOAKED.o

4. HARDEN: HEAT TO 1725 F, SOAK AT HEAT FOR 45-60 MINUTES PER INCH OF THICKNESS. SIZES UNDER 1 IN.o

THICK SHOULD BE HELD FOR 45-60 MINUTES MINIMUM.

5. QUENCH: AIR QUENCH TO 150 F. FLASH OIL QUENCHING IS SOMETIMES USED FOR SECTIONS WITH A THICKNESSo

OF 2-1/2 IN. OR GREATER. TEMPER IMMEDIATELY AFTER QUENCHING IN ALL CASES.

6. TEMPER: DOUBLE TEMPER IS MANDATORY, THREE TEMPERS ARE SOMETIMES PREFERRED. SOAK FOR TWO HOURS PER INCH OF THICKNESS FOR EACH TEMPER. AIR COOL TO ROOM TEMPERATURE BETWEEN TEMPERS. FOR COLD WORK APPLICATIONS, THE NORMAL TEMPERING RANGE IS 400-500 F. FOR HOT WORK APPLICATIONS, A TEMPERINGo

TEMPERATURE OF 900-1000 F IS SUGGESTED. NEVER TEMPER S-7 UNDER 400 F. o o


8. STRESS RELIEF TEMPER: A STRESS RELIEF TEMPER FOR HARDENED MATERIAL IS STRONGLY RECOMMENDED AFTER SIGNIFICANT GRINDING, OR WELDING, OR EDM. SELECT A TEMPERATURE THAT IS 25 OR 50 F LOWER THAN THEo

LAST TEMPERING TEMPERATURE USED.


400 Fo

500 Fo

600 Fo

700 Fo

1 IN. SPECIMENS, THREE IN. LONG WERE AIR-HARDENED FROM 1725 F.O/ o

58/60

58

56

55

54


1000 Fo

1100 Fo

1200 Fo

53

51

47

38

800 Fo

1. 2.

3.

4.

5.

6. 6. 6. 8.

7.

S-7 TOOL STEEL MATERIAL AND HEAT-TREAT SPECIFICATIONS

900 Fo 52

C 0.50 Si 0.25 Mn 0.70 Cr 3.25 Mo 1.40

AS QUENCHED

SEPT. 1999 15

WELDING: WHEN WELDING AISI S-7 IN THE ANNEALED OR HARDENED CONDITION USE AN S-7 WELD ROD. PREHEATAND POSTHEAT ANNEALED STEELS AT 400-900 F, HARDENED STEELS AT 400-500 F. MAINTAIN THE PREHEATo o

TEMPERATURE AS THE INTERPASS TEMPERATURE. DOUBLE TEMPER HARDENED STEELS 25-50 F BELOW THE LASTo

TEMPERING TEMPERATURE USED AFTER WELDING. THE RESULTING HARDNESS SHOULD BE HRC 54-58 WHEN USINGTHE S-7 TYPE ROD.

wdx2501m.pdf


1060 STEEL IS A VERSATILE HIGH CARBON STEEL. 1060 DEVELOPS AN AS-QUENCHED (WATER) HARDNESS OF 58/60HRC. WHEN PROPERLY HEAT TREATED, 1060 HAS A CARBON-RICH MARTENSITIC STRUCTURE WITH NO FREE CARBIDE.1060 STEEL HAS VERY GOOD FLAME HARDENING CHARACTERISTICS. IF HEATED WITH AN OXYACETYLENE TORCH LONG ENOUGH FOR THE STEEL TO DEVELOP A CHERRY RED COLOR, (ABOUT 1500 F), FOLLOWED IMMEDIATELY BY o

A WATER QUENCH, THE RESULTING HARDNESS WILL BE 55-60 HRC. WHEN PROPERLY ANNEALED, 1060 HAS A MACHINABILITY RATING OF 140 WHEN COMPARED TO A 1% CARBON STEEL RATED AT 100.

SUB-ZERO

R. TEMP

500 Fo

1000 Fo

1500 Fo

2000 Fo


1. ANNEAL: HEAT 1525 F, SOAK UNTIL UNIFORMLY HEATED, APPROXIMATELY 30 MINUTES PER INCH. FURNACE o

COOL 50 F PER HOUR TO 975 F, AIR COOL TO ROOM TEMPERATURE. APPROXIMATE ANNEALED HARDNESS o o

200 MAX. BRINELL. NORMALIZE: HEAT TO 1625 F, AIR COOL.o

2. STRESS RELIEF OF UNHARDENED MATERIAL: HEAT SLOWLY TO 1200-1250 F. SOAK FOR TWO HOURS PER o

INCH OF THICKNESS AT HEAT. SLOW COOL (FURNACE COOL IF POSSIBLE) TO ROOM TEMP.

3. PREHEAT: HEAT TO 1200 F, HOLD AT THIS TEMPERATURE UNTIL THOROUGHLY SOAKED.o

4. HARDEN: HEAT TO 1500 F. SOAK AT HEAT FOR 30 MINUTES PER INCH OF THICKNESS. o

5. QUENCH: THIS MATERIAL MAY BE WATER QUENCHED, BUT BRINE QUENCHING IS PREFERRED. WATER OR BRINE QUENCH TO 150-200 F. OIL QUENCHING IS SOMETIMES USED FOR LIGHT SECTIONS (UNDER 1/4 IN.) AND o

WHERE MAX. HARDNESS IS NOT REQUIRED. TEMPER IMMEDIATELY AFTER QUENCHING.

6. TEMPER: NORMALLY WATER HARDENING STEELS NEED BE SINGLE TEMPERED ONLY. HOWEVER, DOUBLE TEMPERING MAY SOMETIMES BE PREFERRED. SOAK AT HEAT FOR TWO HOURS PER INCH OF THICKNESS FOR EACH TEMPER. AIR COOL TO ROOM TEMPERATURE BETWEEN TEMPERS. THE AS-QUENCHED HARDNESS OF THIS GRADE IS 58-60 HRC.



1. 2.

3.

4.

5.

6. 6. 7.

1060 STEEL MATERIAL AND HEAT-TREAT SPECIFICATIONS

C 0.55-0.65 Mn 0.60-0.90 P 0.040 MAX. S 0.050 MAX.

16 APRIL 1996

AS QUENCHED

400 Fo

500 Fo

600 Fo


63-65

56

TEMPERING

1000 Fo

38

ROCKWELL C

800 Fo

900 Fo

1 IN. SPECIMENS WERE WATER QUENCHED FROM 1475-1500 F.O/ o

WELDING: WHEN WELDING ANNEALED AISI 1060 USE AN AISI W-2 WELD ROD. PREHEAT AND POSTHEAT AT 400-900 F.o

REANNEAL BEFORE HARDENING. WHEN WELDING 1060 IN THE FLAME HARDENED CONDITION USE AN AISI S-7 ROD FOR TRIM AND H-12 TYPE ROD FOR FLANGE APPLICATIONS. PREHEAT AND POSTHEAT AT 400-500 F. MAINTAIN o

THE PREHEAT TEMPERATURE AS THE INTERPASS TEMPERATURE. DOUBLE TEMPER AFTER WELDING AT 250-400 F. o

THE RESULTING HARDNESS SHOULD BE HRC 54-58 WHEN USING THE S-7, 52-54 HRC WHEN USING THE H-12 ROD.

700 Fo

55

50

42

1100 Fo

1200 Fo

37

35

33

26

FLAME HARDENING: HEAT TO A CHERRY RED COLOR (APPROXIMATELY 1500 F) FOLLOWED WITH A WATER OR o

POLYMER QUENCH. AN OUTER CASE OF 55-60 HRC WILL RESULT, WITH A SOFT DUCTILE INNER CORE.


wdx2501m.pdf


4150 ALLOY STEEL IS A MEDIUM CARBON ALLOY STEEL ANNEALED TO A HARDNESS OF APPROXIMATELY 220 HB.4150 ANNEALED IS AN EXCELLENT GENERAL PURPOSE GRADE PROVIDING ALL AROUND TOUGHNESS, HIGH MECHANICALPROPERTIES AND GOOD MACHINABILITY. 4150 CAN BE HEAT TREATED TO HIGH LEVELS OF HARDNESS WHENDESIRED. THIS MATERIAL HAS A MACHINABILITY RATING OF 110 AS COMPARED TO A 1% ANNEALED CARBON STEELRATED AT 100.

SUB-ZERO

R. TEMP

500 Fo

1000 Fo

1500 Fo

2000 Fo

THE FOLOWING APPLIES IF THE 4150 PREHARD ALLOY WILL BE ANNEALED, REHARDENED OR STRESS RELIEVED.

1. ANNEAL: HEAT SLOWLY TO 1450-1550 F, SOAK ONE HOUR PER INCH OF THICKNESS AT HEAT. COOL 20 F PERo o

HOUR TO 1200 F AIR COOL TO ROOM TEMPERATURE. APPROXIMATE ANNEALED HARDNESS- 200 MAX. BRINELL.o

2. STRESS RELIEF OF ANNEALED MATERIAL: HEAT SLOWLY TO 1250 F. SOAK FOR TWO HOURS PER INCH OFo

THICKNESS AT HEAT. SLOW COOL (FURNACE COOL IF POSSIBLE) TO ROOM TEMPERATURE.

3. PREHEAT: HEAT TO 1200-1300 F, HOLD AT THIS TEMPERATURE UNTIL THOROUGHLY SOAKED.o

4. HARDEN: HEAT TO 1525-1550 F. SOAK AT HEAT 30 MINUTES PER INCH OF THICKNESS.o

5. QUENCH: OIL QUENCH TO 150-200 F. TEMPER IMMEDIATELY.o

6. TEMPER: NORMALLY OIL HARDENING STEELS NEED BE SINGLE TEMPERED ONLY. HOWEVER, DOUBLE TEMPERING MAY SOMETIMES BE PREFERRED. SOAK AT HEAT FOR TWO HOURS PER INCH OF THICKNESS FOR EACH TEMPER. AIR COOL TO ROOM TEMPERATURE BETWEEN TEMPERS.



TEMPERING HARDNESSBRINELL/HRC

900 Fo

444/47

429/46

401/43

363/39

331/37

TENSILE STRENGTH 1000 PSI.

YIELD STRENGTH 1000 PSI.

215,000

181,000

161,000

140,000

230,000

1. 2.

3.

4.

5.

6. 6. 7.

4150 ANNEALED ALLOY STEELMATERIAL AND HEAT-TREAT SPECIFICATIONS

197,000

198,000

800 Fo

C 0.50 Mn 0.90 Mo 0.20 Cr 1.00

1300 Fo 262/27 117,000

212,000

180,000

158,000

127,000

1200 Fo

1100 Fo

1000 Fo

*APPROX. VALUES FOR EST. ONLY. 1 IN. SPECIMENS WERE TESTED AFTER OIL QUENCHING FROM 1525 F.O/ o

* *

APRIL 1996 17

WELDING: WHEN WELDING ANNEALED AISI 4150, USE A 4150 WELD ROD. PREHEAT AND POSTHEAT AT 400-900 F.o

REANNEAL BEFORE HARDENING. WHEN WELDING 4150 IN THE HARDENED CONDITION USE AN AISI S-7 ROD FOR SHOCKAND H-12 TYPE ROD FOR WEAR APPLICATIONS. PREHEAT AND POSTHEAT AT 400-500 F. MAINTAIN THE PREHEATo

TEMPERATURE AS THE INTERPASS TEMPERATURE. DOUBLE TEMPER AFTER WELDING AT 350-400 F. THE RESULTINGo

HARDNESS SHOULD BE HRC 54-58 WHEN USING THE S-7, 52-54 WHEN USING THE H-12 ROD.


600 Fo

500 Fo

400 Fo

534/54

555/55

578/56

264,000

283,250

301,500

240,000

247,000

248,000


wdx2501m.pdf


A-HT SMQ IS AN AIR-HARDENABLE TOOL STEEL, SIMILAR TO A-2 IN ALLOY CONTENT BUT WITH INCREASED WEARRESISTANCE. ADDITIONS OF TITANIUM AND TUNGSTEN PRODUCE HARD, LONG WEARING CARBIDES WHICH HELPDECREASE GALLING AND METAL PICK-UP. WHEN COMPARED TO D-2 TOOL STEEL, A-HT SMQ HAS THE SAME ABRASIONRESISTANCE AND MUCH BETTER IMPACT STRENGTH AND TOUGHNESS. WHEN PROPERLY ANNEALED, THIS GRADE HAS AMACHINABILITY RATING OF 50 WHEN COMPARED TO A 1% CARBON STEEL RATED AT 100. BECAUSE OF THE TITANIUMADDITION TO THE CHEMISTRY OF A-HT SMQ, TITANIUM COATED INSERTS SHOULD NOT BE USED WHEN MACHINING.

SUB-ZERO

R. TEMP

500 Fo

1000 Fo

1500 Fo

2000 Fo


1. ANNEAL: HEAT 1650 F, SOAK TWO HOURS PER INCH OF THICKNESS. COOL 40 F PER HOUR TO 900 F. AIR o o o

COOL TO ROOM TEMPERATURE. APPROXIMATE ANNEALED HARDNESS 235 HB MAX.

2. STRESS RELIEF OF UNHARDENED MATERIAL: HEAT SLOWLY TO 1200-1250 F. SOAK FOR TWO HOURS PER o

INCH OF THICKNESS AT HEAT, SLOW COOL (FURNACE COOL IF POSSIBLE) TO ROOM TEMP.

3. PREHEAT: HEAT TO 1200 F, HOLD AT TEMPERATURE UNTIL THOROUGHLY SOAKED.o

4. HARDEN: HEAT TO 1775 F, SOAK AT HEAT FOR 45-60 MINUTES PER INCH OF THICKNESS.o


6. TEMPER: DOUBLE TEMPER IS MANDATORY, THREE TEMPERS ARE SOMETIMES PREFERRED. SOAK FOR TWO HOURS PER INCH OF THICKNESS AT HEAT FOR EACH TEMPER. AIR COOL AT ROOM TEMPERATURE BETWEEN TEMPERS.





400 Fo

500 Fo

600 Fo

700 Fo

1 IN. SPECIMENS WERE QUENCHED FROM 1775 F.O/ o

63/64

59

57

57

56


1000 Fo

1100 Fo

1200 Fo

55/56

55

50

43

800 Fo

1. 2.

3.

4.

5.

6. 6. 6. 8.

7.

A-HT SMQ DOUBLE MELT TOOL STEELMATERIAL AND HEAT-TREAT SPECIFICATIONS

900 Fo 55/56

AS QUENCHED

C 1.00 Mo 1.10 Cr 3.00 V 0.25 W 1.05 Ti 1.00

APRIL 199618

WELDING: WHEN WELDING A-HT SMQ IN THE ANNEALED OR HARDENED CONDITION USE AN A-2 WELD ROD. PREHEAT AND POSTHEAT ANNEALED STEELS AT 400-900 F, HARDENED STEELS AT 400-500 F. MAINTAIN THE o o


THE LAST TEMPERING TEMPERATURE USED AFTER WELDING. THE RESULTING HARDNESS SHOULD BE HRC 56-58 WHEN USING THE A-2 TYPE ROD.


wdx2501m.pdf


S-7 DOUBLE MELT SHOCK-RESISTING TOOL STEEL IS A MEDIUM CARBON, AIR-HARDENING TOOL STEEL,MANUFACTURED TO (DOUBLE MELTED) SPECIFICATIONS. S-7 DOUBLE MELT’S LOW CARBON LEVEL, FORTIFIEDCHEMISTRY, ULTRA CLEAN, UNIFORM AND HOMOGENOUS INTERIOR STRUCTURE MAKE IT SUPERIOR TO THE OTHERCONVENTIONALLY MANUFACTURED SHOCK-RESISTING TOOL STEELS. WHEN PROPERLY ANNEALED, THIS STEEL HASA MACHINABILITY RATING OF 75 COMPARED TO A 1% CARBON STEEL RATED AT 100.

SUB-ZERO

R. TEMP

500 Fo

1000 Fo

1500 Fo

2000 Fo


1. ANNEAL: HEAT 1550 F, SOAK FOR 1-1/2 HOURS PER INCH OF THICKNESS. COOL 25 F PER HOUR TO 900 F. AIRo o o

COOL TO ROOM TEMPERATURE. APPROXIMATE ANNEALED HARDNESS 230 MAX. BRINELL.

2. STRESS RELIEF OF UNHARDENED MATERIAL: HEAT SLOWLY TO 1250 F. SOAK FOR TWO HOURS PER INCH OFo

THICKNESS AT HEAT. SLOW COOL, (FURNACE COOL IS POSSIBLE), TO ROOM TEMP.

3. PREHEAT: HEAT TO 1250 F, AND HOLD AT THIS TEMPERATURE UNTIL THOROUGHLY SOAKED.o

4. HARDEN: HEAT TO 1725 F, SOAK AT HEAT FOR 45-60 MINUTES PER INCH OF THICKNESS. SIZES UNDER 1 IN.o

THICK SHOULD BE HELD FOR 45-60 MINUTES MINIMUM.

5. QUENCH: AIR QUENCH TO 150 F. FLASH OIL QUENCHING IS SOMETIMES USED FOR SECTIONS WITH A THICKNESSo

OF 2.5 IN. OR GREATER. TEMPER IMMEDIATELY AFTER QUENCHING IN ALL CASES.

6. TEMPER: DOUBLE TEMPER IS MANDATORY, THREE TEMPERS ARE SOMETIMES PREFERRED. SOAK FOR TWO HOURS PER INCH OF THICKNESS FOR EACH TEMPER. AIR COOL TO ROOM TEMPERATURE BETWEEN TEMPERS. FOR COLD WORK APPLICATIONS, THE NORMAL TEMPERING RANGE IS 400-500 F. FOR HOT WORK APPLICATIONS, A TEMPERINGo

TEMPERATURE OF 900-1000 F IS SUGGESTED. NEVER TEMPER S-7 UNDER 400 F.o o





400 Fo

500 Fo

600 Fo

700 Fo

1 IN. SPECIMENS, 3 IN. LONG WERE AIR-HARDENED FROM 1725 F.O/ o

60

58

56

55

54


1000 Fo

1100 Fo

1200 Fo

53

51

47

38

800 Fo

1. 2.

3.

4.

5.

6. 6. 6. 8.

7.

S-7 DOUBLE MELT TOOL STEELMATERIAL AND HEAT-TREAT SPECIFICATIONS

900 Fo 52

AS QUENCHED

C 0.50 Si 0.25 Mn 0.70 Cr 3.25 Mo 1.40

19APRIL 1996

WELDING: WHEN WELDING AISI S-7 DOUBLE MELT IN THE ANNEALED OR HARDENED CONDITION USE AN S-7 WELDROD. PREHEAT AND POSTHEAT ANNEALED STEELS AT 400-900 F, HARDENED STEELS AT 400-500 F. MAINTAIN THEo o

PREHEAT TEMPERATURE AS THE INTERPASS TEMPERATURE. DOUBLE TEMPER HARDENED STEELS 25-50 F BELOW THEo

LAST TEMPERING TEMPERATURE USED AFTER WELDING. THE RESULTING HARDNESS SHOULD BE HRC 54-58 WHENUSING THE S-7 TYPE ROD.


wdx2501m.pdf


MATERIAL AND HEAT TREAT SPECIFICATIONSCAST CUT #1 TOOL STEEL

C .57/.65 Mn 1.30/1.60 SI .50/.80 Cr 1.30/1.70 P .030 MAX.S .110/.130 Ni .20/.30 Cu .35/.45 AL .06/.10

CAST CUT #1 TOOL STEEL WAS DESIGNED FOR STAMPING MANUFACTURING APPLICATIONS WHERETHE FLAME HARDENING OF TOOLING IS REQUIRED. CAST CUT #1 IS ESPECIALLY FORMULATEDTO MINIMIZE PROBLEMS RELATED TO DISTORTION AND CRACKING WHILE BEING FLAME HARDENED.SUPPLIED IN THE CAST TO SHAPE CONDITION, CAST CUT #1 IS DELIVERED PRE-HARDENED TO32/35 Rc. AND IS READILY MACHINABLE AT THIS LEVEL OF HARDNESS. LARGE TOOL COMPONENT CASTINGS ARE SUPPLIED IN THE ANNEALED AT THE 190-230 BRINELL. CAST CUT #1 CAN ALSOBE ORDERED IN THE NORMALIZED AND TEMPERED CONDITION AT 250-320 BRINELL. IN EITHERTHE PRE-HARD OR NORMALIZED AND TEMPERED CONDITION THIS GRADE OF STEEL WILL HAVE ANEXCELLENT COMBINATION OF HIGH TENSILE AND COMPRESSIVE STRENGTH WHICH WORK TOPROVIDE AN EXTREMELY RIGID, NON-DISTORTING BASE FOR THE FLAME-HARDENED CASE.

1500 Fo

1000 Fo

500 Fo

R. TEMP

FURNACE: TO AVOID DECARBURIZATION, THIS GRADE SHOULD BE HARDENED IN A CONTROLLEDATMOSPHERE, VACUUM OR NEUTRAL SALT FURNACE ENVIRONMENT.

FLAME HARDENING: HEAT TO CHERRY RED COLOR (APPROXIMATLEY 1600 F). ALLOW SECTIONS TOo

COOL---WATER QUENCHING IS NOT REQUIRED. WHEN PROPERLY APPLIED, FLAME HARDENING THIS GRADE WILL ACHIEVE A UNIFORM, TOUGH CASE HARDEN OF 58/62 Rc WITH VERY LITTLE OR NODISTORTION TO A DEPTH OF 3/16"-3/8".

1. ANNEAL: HEAT TO 1650 F, SOAK UNTIL UNIFORMLY HEATED, APPROXIMATELY ONE-HALF HOURo

PER INCH. FURNACE COOL TO 50 F PER HOUR TO 975 F, AIR COOL TO ROOM TEMP. o o

APPROXIMATE ANNEALED HARDNESS 250 MAX. BRONELL.

NORMALIZE: HEAT TO 1600 F, AIR COOL. TEMPER AT 1250 F. DEPENDING ON SECTION SIZEo o

A 250 TO 320 BRINELL WILL RESULT.

2. STRESS RELIEF: HEAT SLOWLY TO 1200-1250 F. SOAK FOR TWO HOURS PER INCH OF THICKNESSo

AT HEAT. SLOW COOL (FURNACE IF POSSIBLE) TO ROOM TEMOERATURE.

3. FURNACE HARDENING IS NOT RECOMMENDED. USE NORMALIZATION PROCEDURE DESCRIBED ABOVE.

4. TEMPER: HEAT TO 300-350 F IN EITHER A FURNACE OR WITH A TORCH AND A 300-350 F o o

TEMPLE STICK. A RESULTING HARDNESS OF APPROXIMATELY 60 HRC WILL DEVELOP. 5. STRESS RELIEF TEMPER: A STRESS RELIEF FOR HARDENED MATERIAL IS STRONGLY RECOMMENDED AFTER SIGNIFICANT GRINDING, OR WELDING, OR EDM. SELECT A TEMPERATURE THAT IS 25 OR 50 F LOWER THAN THE LAST TEMPERING TEMPERATURE USED.o

6. WELDING: WHEN WELDING CAST CUT #1, USE CC#1 FILLER METAL. PREHEAT AND POSTHEAT AT 250-300 F FOR SMALL BUIDUPS AND AT 500 F-700 F FOR LARGER SECTIONS THAT REQUIREo o o

HEAVY BUILDUPS. LARGE SECTIONS SHOULD BE PROCESSED ON A GAS FIRED OR INFRA RED HEAT TABLE TO MAINTAIN TEMPERATURE. WHEN WELDING CAST CUT #1 IN THE FLAME HARDENED CONDITION USE CC#1 ROD FOR TRIM AND FLANGE APPLICATION. PREHEAT AND POSTHEAT TO 300-350 F. MAINTAIN THE PREHEAT TEMPERATURE AS THE INTERPASS TEMPERATURE. DOUBLE o

TEMPER AFTER WELDING AT 250-400 F. THE RESULTING HARDNESS SHOULD BE HRC 57-59 AS o

DEPOSITED.

1. 2. 4. 4. 5.

DEC. 199720


wdx2501m.pdf


HEAT TREATMENT "EA"

GENERAL INFORMATION:

PROCEDURE:

CASE DEPTH VS TIME AT TEMPERATURE F.o

TIME IN HOURS AT TEMPERATURE Fo

2 4 6 8 10 12 14 16 18 20 22

.020

.030

.040

.050

.060

.070

.080

.090

.100

.110

.120

CASE DEPTH IN INCHES 1700 Fo

1650 Fo

TEMPERINGTEMPERATURE

ROCKWELLHARDNESS

300 F STRAIN RELIEF, AS QUENCHED HARDNESS

400 F C-60-64

500 F C-56-60

600 F C-51-55

700 F C-46-50

1. CARBURIZE AT 1650 - 1700 F TO A DEPTH OF .025-.035 OR AS SPECIFIED. SEE CURVE BELOW.

2. AIR COOL PART TO ROOM TEMPERATURE. 3. ANNEAL - HEAT TO 1450 F, COOL AT 50 F PER HOUR MAXIMUM TO 1000F. AIR COOL TO ROOM TEMPERATURE.

4. REHEAT TO 1450 - 1550 F. (DEPENDING ON CORE HARDNESS DESIRED).

5. QUENCH IN AGITATED OIL.

6. TEMPER TO REQUIRED HARDNESS. APPIES TO "EA" 4150 MATERIAL.

APRIL 1998 21

NORTH AMERICA ONLY


wdx2501m.pdf


HEAT TREATMENT "N"

PROCEDURE:1. A PROTECTIVE MEDIUM TO PREVENT CARBURIZATION OR DECARBURIZATION DURING HEATING IS REQUIRED. DEPENDING ON THE SIZE OF THE PART AND FACILITIES AVAILABLE, THE PART MAY BE PACKED IN M-4B8, PITCH COKE, OR M-4B18, NEUTRAL PACKING MATERIAL, HEATED IN A FURNACE WITH ATMOSPHERE CONTROL OR HEATED IN A NEUTRAL SALT BATH.2. PREHEAT AT 1200 - 1250 F.

3. HIGH HEAT AT 1850 - 1880 F.

4. QUENCH IN AIR AND DOUBLE TEMPER AT 350 F.

-OR-

TEMPERING CURVE

ROCKWELL "C" HARDNESS - TEMPERING TEMPERATURE F.o


DOUBLE TEMPER TO SPECIFIED HARDNESS(SEE TEMPERING CURVE).

THIS PROCEDURE IS DESIGNED PRIMARILY TOHARDEN HIGH CARBON HIGH CHROMIUM DIESTEELS SIMILAR TO M-9925-A (SAE D2) BUTMAY BE ASSIGNED TO OTHER STEELS IFAPPLICABLE.VALUES SHOWN IN THE TEMPERING CURVE BELOWARE TO BE USED AS A GUIDE ONLY. VARIATIONSIN SECTION SIZE, THE PERCENTAGE OF MARTENSITE PRESENT IN THE QUENCHED STRUCTURE, THE AUSTENITIZING TEMPERATURE AND SIMILAR FACTORS WILL INFLUENCE THE HARDNESS OBTAINED FOR A TEMPERING TEMPERATURE.

AS QUENCHED

300 400 500 600 700 800 900 1000 1100 1200 TEMPERING TEMPERATURE- -DEGREES FAHRENHEIT

110

124

142

163

186

212

245

287

20

25

30

35

40

45

50

55

60

65

ROCKWELL "C" HARDNESS

APPROX. BRINELL HARDNESS NUMBER - 3000 KG LOAD

226

253

286

327

371

421

475

560

654

739

APPROX. TENSILE STRENGTH - 1000 PSI

APRIL 199822

NORTH AMERICA ONLY


wdx2501m.pdf


HEAT TREATMENT "NA"

PROCEDURE:

1. A PROTECTIVE MEDIUM TO PREVENT CARBURIZATION OR DECARBURIZATION DURING HEATING IS REQUIRED. DEPENDING ON THE SIZE OF THE PART AND THE FACILITIES AVAILABLE, THE PART MAY BE PACKED IN M-4B8 OR M-4B18 PROTECTIVE MEDIUM, HEATED IN A FURNACE WITH ATMOSPHERE CONTROL OR IN A NEUTRAL SALT BATH. 2. PREHEAT AT 1450 - 1500 F.o

3. HEAT UNIFORMLY TO 1750 - 1800 F.o

4. REMOVE FROM PROTECTIVE MEDIUM AND ALLOW TO COOL IN STILL AIR.

5. DOUBLE TEMPER AT 350 F OR DRAW TO SPECIFIED HARDNESS (SEE TEMPERING CURVE).


THIS PROCEDURE IS DESIGNED TO HARDEN 5% CHROMIUM AIR HARDENING STEEL (SAE A2) BUTMAY BE USED FOR OTHER STEELS IF APPLICABLE.

VALUES SHOWN IN THE TEMPERING CURVE BELOW ARE TO BE USED AS A GUIDE ONLY. VARIATIONSIN SECTION SIZE, THE PERCENTAGE OF MARTENSITE PRESENT IN THE QUENCHED STRUCTURE, THE AUSTENITIZING TEMPERATURE AND SIMILAR FACTORS WILL INFLUENCE THE HARDNESSOBTAINED BY A GIVEN TEMPERING TEMPERATURE.

TEMPERING CURVEROCKWELL HARDNESS VS TEMPERING TEMP. F.o

124

142

163

186

212

245

287

25

30

35

40

45

50

55

60

65

APPROX. TENSILE STRENGTH - 1000 PSI

ROCKWELL "C" HARDNESS

APPROX. BRINELL HARDNESS NUMBER 3000 KG LOAD

253

286

327

371

421

475

560

654

739

TEMPERING TEMPERATURE - DEGREES FAHR.

ASQUENCHED

300 400 500 600 700 800 900 1000

23APRIL 1998

NORTH AMERICA ONLY


wdx2501m.pdf


HEAT TREATMENT "P"

GENERAL INFORMATION:PROCEDURE:

1. CARBURIZE AT 1650 - 1700 F. (SEE CURVE BELOW).2. COOL SLOWLY IN CARBURIZING BOX, LIME MICA OR HOLDING FURNACE.3. NORMALIZE. HEAT TO 1650 F. (AIR COOL).4. REHEAT TO 1425 - 1550 F DEPENDING ON CORE HARDNESS REQUIRED.5. QUENCH IN BRINE.6. TEMPER AT 350 - 375 F. ROCKWELL C 62 - 64.

CASE DEPTH VS TIME AT TEMPERATURE F.o

SINCE THIS TREATMENT LEAVES THE CORE SOFTIT IS APPLICABLE TO PARTS WHICH AREDIFFICULT TO STRAIGHTEN.

SURFACE AREAS TO BE LEFT SOFT MAY BETREATED AS FOLLOWS:1. LEAVE STOCK ON THE AREA.2. CARBURIZE.3. MACHINE EXTRA STOCK OFF.4. HEAT AND QUENCH AS ABOVE.

THIS PROCEDURE IS INTENDED FOR M-9934-AMACHINE STEEL AND SAE 5120 STEEL, BUT MAYBE USED FOR OTHER STEELS IF APPLICABLE.

TIME IN HOURS AT TEMPERATURE Fo

2 4 6 8 10 12 14 16 18 20 22

.020

.030

.040

.050

.060

.070

.080

.090

.100

.110

.120

CASE DEPTH IN INCHES

1700 Fo

1650 Fo

24 APRIL 1998

NORTH AMERICA ONLY


wdx2501m.pdf

wdx2501m.pdf

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