SAE1045-1018
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Quality SAE 1045 According to standards ASTM A 576-90b: 2000 Hot rolled Lucefin Group ASTM A311/A 311M: 2004 Cold drawn Chemical composition C% Si% Mn% P% max S% max 0,43-0,50 a) 0,60-0,90 0,030 0,050 ± 0.03 -- ± 0.03 + 0.008 + 0.008 Permissible deviations on the product. Remark : when aluminum is used as a grain refining element the Al% (total) content is not less than 0.020 when lead is required a range of 0.15 to 0.35% is specified. Such a steel is identified by inserting the letter “L” ex. 10L45 a) the following ranges and limits are commonly specified: 0.10 max, 0.10-0.20, 0.15-0.35, 0.20-0.40, 0.30-0.60 Temperature °C Hot forming Soft annealing +A Normalizing Quenching Tempering Stress relieving 1100-800 680-710 furnace cooling (HB max 190) 850-870 air 820-840 oil polymer or water 600-650 air 50 under the temperature of tempering Preheating welding PWHT 250 550 furnace cooling Mechanical properties Hot rolled ASTM A 183-03. Only reference values Testing at room temperature (longitudinal) diameter mm R Rp 0.2 A% C% HB > < N/mm 2 min N/mm 2 min min min min all 565 310 16 40 165 +U untreated all 760 550 12 25 226 +QT quenched and tempered Normal draft Cold drawn stress relieved ASTM A311/A 311M: 2004 cl. A Testing at room temperature (longitudinal) diameter mm R Rp 0.2 A% C% HB > < N/mm 2 min N/mm 2 min min min min 20 655 585 12 35 205 20 30 620 550 11 30 195 30 50 585 520 10 30 176 50 75 550 485 10 30 162 Heavy draft Cold drawn stress relieved ASTM A311/A 311M: 2004 cl. B Testing at room temperature (longitudinal) diameter mm R Rp 0.2 A% C% HB > < N/mm 2 min N/mm 2 min min min min 20 795 690 10 25 239 20 30 795 690 10 25 239 30 50 795 690 10 25 239 50 75 795 690 9 25 239 75 102 725 620 7 20 224 Normal draft Cold drawn annealed. Only reference values Testing at room temperature (longitudinal) diameter mm R Rp 0.2 A% C% HB > < N/mm 2 min N/mm 2 min min min min 19 32 585 505 12 45 170 USA AISI/SAE ITALY UNI CHINA GERMANY DIN FRANCE AFNOR UK B.S. RUSSIA EUROPE EN 1045 C45 45 Ck45 XC48H1 080M46 45 C45E
description
SAE1045 & SAE1018
Transcript of SAE1045-1018
Quality SAE 1045
According to standards ASTM A 576-90b: 2000 Hot rolled Lucefin Group ASTM A311/A 311M: 2004 Cold drawn
Chemical composition
C%
Si%
Mn% P% max
S% max
0,43-0,50 a) 0,60-0,90 0,030 0,050
± 0.03 -- ± 0.03 + 0.008 + 0.008
Permissible deviations on the product.
Remark : when aluminum is used as a grain refining element the Al% (total) content is not less than 0.020 when lead is required a range of 0.15 to 0.35% is specified. Such a steel is identified by inserting the letter “L” ex. 10L45 a) the following ranges and limits are commonly specified: 0.10 max, 0.10-0.20, 0.15-0.35, 0.20-0.40, 0.30-0.60
Temperature °C Hot forming Soft
annealing +A Normalizing Quenching Tempering Stress relieving
1100-800 680-710 furnace cooling (HB max 190)
850-870 air
820-840 oil polymer or water
600-650 air
50 under the temperature of tempering
Preheating welding PWHT
250 550 furnace cooling
Mechanical properties Hot rolled ASTM A 183-03. Only reference values
Testing at room temperature (longitudinal) diameter mm R Rp 0.2 A% C% HB
> < N/mm2 min N/mm2 min min min min
all 565 310 16 40 165 +U untreated
all 760 550 12 25 226 +QT quenched and tempered
Normal draft Cold drawn stress relieved ASTM A311/A 311M: 2004 cl. A
Testing at room temperature (longitudinal) diameter mm R Rp 0.2 A% C% HB
> < N/mm2 min N/mm2 min min min min
20 655 585 12 35 205
20 30 620 550 11 30 195
30 50 585 520 10 30 176
50 75 550 485 10 30 162
Heavy draft Cold drawn stress relieved ASTM A311/A 311M: 2004 cl. B
Testing at room temperature (longitudinal) diameter mm R Rp 0.2 A% C% HB
> < N/mm2 min N/mm2 min min min min
20 795 690 10 25 239
20 30 795 690 10 25 239
30 50 795 690 10 25 239
50 75 795 690 9 25 239
75 102 725 620 7 20 224
Normal draft Cold drawn annealed. Only reference values
Testing at room temperature (longitudinal) diameter mm R Rp 0.2 A% C% HB
> < N/mm2 min N/mm2 min min min min
19 32 585 505 12 45 170
USA AISI/SAE ITALY UNI CHINA GERMANY DIN FRANCE AFNOR UK B.S. RUSSIA EUROPE EN
1045 C45 45 Ck45 XC48H1 080M46 45 C45E
Quality SAE 1018
According to standards ASTM A 576-90b: 2000 Hot rolled Lucefin Group
ASTM A 311/A 311M: 2004 Cold drawn
Chemical composition
C%
Si%
Mn% P% max
S% max
0,15-0,20 a) 0,60-0,90 0,040 0,050
± 0.02 -- ± 0.03 + 0.008 + 0.008
Permissible deviations on the product
Remark : when aluminum is used as a grain refining element the Al% (total) content is not less than 0.020 when lead is required a range of 0.15 to 0.35% is specified. Such a steel is identified by inserting the letter “L” ex. 10L18 a) the following ranges and limits are commonly specified: 0.10 max, 0.10-0.20, 0.15-0.35, 0.20-0.40, 0.30-0.60
Temperature °C
Hot forming Soft annealing +A
Normalizing Quenching Tempering
1180-900 650-700 furnace cooling
920 air
880-900 oil polymer or water
550-620 air
Preheating welding PWHT
not demanded slow cooling
Mechanical properties ASTM A311/A 311M: 2004 Cold drawn stress relieved (> 288 °C)
Testing at room temperature (longitudinal) cl. A size mm R Rp 0.2 A C reduct. HB
over to N/mm2 min N/mm2 min % min % min min
20 485 415 18 40 147
20 30 450 380 16 40 135
30 50 415 345 15 35 123
50 75 380 310 15 35 110
Mechanical properties Cold drawn Lucefin experience
Testing at room temperature (longitudinal) flat mm R Rp 0.2 A C reduct. HB M. elasticity
N/mm2 N/mm2 % % N/mm2
Heat treatment
76 x 32 581 556 13,4 60,7 176 253600 +U untreated
76 x 32 553 438 17,6 60,8 162 251800 +T cold drawn tempered to 550 °C
76 x 32 530 348 27,2 59,0 159 186000 +T cold drawn tempered to 620 °C
Mechanical properties Hot rolled
Testing at room temperature (longitudinal)
R Rp 0.2 A C reduct. HB
size mm
N/mm2 N/mm2 % %
22 634 386 27 48 > 197
Heat treattment Carburized at 925 °C, cooled to 250 °C, reheated to 780 °C, pause after water quenched and final tempering at 180 °C
-- -- -- -- -- < 229 +U untreated
-- -- -- -- -- < 180 +A annealed
< 30 400 220 25 -- > 116 +N normalized (J1397)
Condition Cyclic yield strength, σ y’ N/mm2 Cyclic strength exponent, n’
Cyclic strength coefficient, K ’ N/mm2
Hot rolled 236 0,27 1259
Quenched and tempered 190 0,24 862
Condition Fatigue strength coefficient, σ f ’ N/mm2 Fatigue strength exponent, b Fatigue ductility coefficient, g f ’
Hot rolled 782 - 0,11 0,19
Quenched and tempered 423 - 0,07 - 0,09
USA AISI/SAE ITALY UNI CHINA GERMANY DIN FRANCE AFNOR U.K. B.S. RUSSIA EUROPE EN
SAE 1018 C18 -- 1.0405 -- 080A17 -- P265NL
