Centrifugal Pumps Sterling CAP_11

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Transcript of Centrifugal Pumps Sterling CAP_11

11

Materials and material selection

11.1 Materials The materials which are suitable for pump construction are listed in the following overview 11.2 to 11.8. The material overview 11.2 for iron and non-ferrous materials is based on the European Standard. Additionally the superseded comparable national standards DIN and SEW are listed. This is intended to ease the comparison with the old national and the new European standards. Materials which do not currently have a European standard are listed under the still valid DIN and SEW standards. Where comparable, the American standards ASTM are also listed. It should be noted however that comparable materials are not similar in all details. Both the chemical analysis and mechanical properties may vary, but generally this should have no importance with respect to their use for pump materials. In borderline cases an exact comparison should be made. Abbreviations AISI ASTM DIN EN SEW UNS Designation A KV Rm Rp 0,2 Elongation at failure (L0 = 5 d0) Notch impact (ISO-V test) at 20C, or given temperature Tensile strength 0,2% - Elongation limit at 20C, for some materials the 0,1% limit or the 1% limit is given American Iron and Steel Institute American Society for Testing and Materials German Standards Institute European Standard published by the European Standards Committee CEN Steel and Iron Material Publications published by the German Iron & Steel Association Unified Numbering System (USA)

264

265

11.2 Material 0.6022 0.6025 GG-190 HB GG-25 1691 1691 A 48 30 A 278 30 German Standard - DIN Short name or description Standard F 12101 F 12401 USA - Standard ASTM UNS

Material 1561 1561

Material overview - Cast iron and steel European Standard - EN Short name or description Standard

2) 1)

Grey cast iron (flake) EN-JL2030 EN-GJL-HB195 1) 2) EN-JL1040 EN-GJL-250 Spheroidal graphite cast iron EN-JS1015 EN-GJS-350-22-LT EN-JS1020 EN-GJS-400-18 EN-JS1030 EN-GJS-400-15 Austenitic cast iron 1563 1563 1563 0.6656 0.7661 12513 125136) 6)

0.7033 0.7043 0.7040 GGL-NiCuCr 15 6 3 GGG-NiCr 20 3 G-X260 NiCr 4 2 G-X300 CrNiSi 9 5 2 G-X70 Si 15 G-X90 SiCr 15 5 1695 1695 1694 1694 A 436 A 439

GGG-35.3 GGG-40.3 GGG-40

1693-1 1693-1 1693-1

A 395 A 536 60-40-18 1b D-2B

Abrasion resistant cast iron EN-JN2029 EN-GJN-HV 520 EN-JN2049 EN-GJN-HV 600 High alloy cast iron (silicium) 0.9620 0.9630 (023 0) (024 0)

A 532 IB NiCr-LC A 532 ID Ni-Hi-Cr A 518 1 A 518 3 A 352 LCB A 352 LC3 J 03003 J 31500

Low temperature cast steel 1.5422 G18Mo5 10213-3 1.5638 G9Ni14 10213-3 Heat resisting cast steel 1.0619 GP240GH 10213-2 1.0619 GS-C25 1) for internal casings, impellers, guide vanes etc. 2) for casings subject to pressure

17 245 A 216 WCB 6) in house material code

J 03002

Material number Other Si 2.0 Si 2.0 Si max. 2.5 Si max. 2.5 Si 2.2 13.5-17.5 18.0-22.0 3.0-5.5 4.5-6.5 1.0 1.0 0.45-0.65 3.0-4.0 Si 15.0 Si 15.0 120 120 440-790 500-650 240 360 23 20 27 (-45) 27 (-90) Si max. 0.8 Si max. 2.5 5.5-7.5 190 390 350 400 400 220 250 250 22 18 15 12 (-40) 12 (-20) 250 - 350 250 - 350 165-2283) 165-2283) HB30=120-1957)

Chemical analysis (Sample from melt analysis) % by weight Cr Ni Mo Cu 7.20 7.20 7.1 7.1 7.1

Mechanical properties (guide values) Rm Rp 0,2 A KV N/mm N/mm % J (tC)

Density ca. kg/dm

210 Vickershardness

7 HV min. 520 HV min. 600

7.4 7.4 7.7 7.7 7.1 7.1 7.85 7.85 7.85

C Grey cast iron (flake) EN-JL2030 3.3 EN-JL1040 3.3 Spheroidal graphite cast iron EN-JS1015 min. 3.0 EN-JS1020 min. 3.0 EN-JS1030 3.6 Austenitic cast iron 0.6656 max. 3.0 2.5-3.5 0.7661 max. 3.0 2.5-3.5 Abrasion resistant cast iron EN-JN2029 2.5-3.0 1.5-3.0 EN-JN2049 2.5-3.5 8-10 High alloy cast iron (silicium) (023 0) 6) 0.70 (024 0) 6) 0.90 5.0 Low temperature cast steel 1.5422 0.15-0.20 1.5638 0.06-0.12

Heat resisting cast steel 1.0619 0.18-0.23 1 N/mm equals 1 Mpa 3) 0.1% elongation limit

6) in house material code

Mn 0.5-1.2 420-600 240 22 27 (RT) 7) for reference wall thickness from 40 to 80 mm

11.2 Material number German Standard - DIN Short name or description Standard USA - Standard ASTM UNS Standard, Grade, Type

Material number

Material overview - Cast steel (cont.) European Standard - EN Short name or description Standard

Stainless steel 5) " 1.4308 1.4408 1.4552 1.4581 G-X5 CrNiNb 18 9 G-X5 CrNiMoNb 18 10 17 445 17 445 G-X6 CrNiMo 18 10 17 445 G-X6 CrNi 18 9 17 445 1.4008 G-X8 CrNi 13 17 445 A 217, 743 CA 15 A 743 CA 6NM J 91150 J 91540

Martensitic steel 1.4008 GX7CrNiMo12-1 1.4317 GX4CrNi13-4 Austenitic steel 1.4308 GX5CrNi19-10 1.4309 GX2CrNi19-11 1.4408 GX5CrNiMo19-11-2 1.4409 GX2CrNiMo19-11-2 1.4552 GX5CrNiNb19-11 1.4581 GX5CrNiMoNb19-11-2 Full austenitic steel 1.4458 GX2NiCrMo28-20-2 (238 0) 6) GX4NiCrCuMo30-20-4 (238 1) 6) GX1NiCrMoCuN25-20-6 (238 2) 6) GX2CrNiMoN20-18-6 5) " " " " " 5) " " "

A 351,743,744 CF 8 A 351,743,744 CF 3 A 351,743,744 CF 8M A 351,743,744CF 3M A 744 CF 8C

J 92900 J 92900 J 92800

A 743, 744 CN 7M A 743, 744 CN 3MN A743,744 CK 3MCuN

Austenitic - ferritic (Duplex) steel 1.4468 GX2CrNiMoN25-6-3 1.4469 GX2CrNiMoN26-7-4 1.4470 GX2CrNiMoN22-5-3 1.4517 GX2CrNiMoCuN25-6-3-3 5) " " " 1.4517 1.4468 1.4469

G-X3 CrNiMoN 26 6 3 G-X2 CrNiMoN 25 7 4 G-X3CrNiMoCuN 26 6 3 3

SEW 410 SEW 410 SEW 410 6) In house material code

A 890 5A (CE 3MN) A 890 4A (CD 3MN) A 890 1B(CD4MCuN)

J 93404 J 92205

5) Draft DIN 17445 published April 1996, recommendation for EN

Material number Other

Chemical analysis (Sample from melt analysis) % by weight Cr Ni Mo Cu

Mechanical properties (guide values) Rm Rp 0,2 A KV N/mm N/mm % J (tC)

Density ca. kg/dm

590 760

440 550

15 15

27 (RT) 50 (RT)

7.7 7.7

Nmax. 0.20 Nmax. 0.20 Nb 8x%C Nb 8x%C max. 2.0 Nmax 0.20 3.0-4.0 0.5-1.5 N 0.10-0.25 0.5-1.0 N 0.18-0.24 430 430 480 500

440 440 440 440 440 440 165-190 4) 170-195 4) 210-235 4) 260-285 4) 480 480 420 480 30 35 30 35 22 22 20 22

175-200 4) 185-210 4) 185-210 4) 195-220 4) 175-200 4) 185-210 4) 30 30 30 30 25 25

60 80 60 80 40 40 60 60 60 50 50 50 30 50

(RT) (RT) (RT) (RT) (RT) (RT) (RT) (RT) (RT) (RT) (RT) (RT) (RT) (RT)

7.88 7.88 7.9 7.9 7.88 7.9 8.0 8.0 8.0 7.9 7.7 7.7 7.7 7.7

C Stainless steel Martensitic steel 1.4008 max. 0.10 12.0-13.5 1.0-2.0 0.20-0.50 1.4317 max. 0.06 12.0-13.5 3.5-5.0 max. 0.70 Austenitic steel 1.4308 max. 0.07 18.0-20.0 8.0-11.0 1.4309 max. 0.030 18.0-20.0 9.0-12.0 1.4408 max. 0.07 18.0-20.0 9.0-12.0 2.0-2.5 1.4409 max. 0.03 18.0-20.0 9.0-12.0 2.0-2.5 1.4552 max. 0.07 18.0-20.0 9.0-12.0 1.4581 max. 0.07 18.0-20.0 9.0-12.0 2.0-2.5 Full austenitic steel 1.4458 max. 0.03 19.0-22.0 26.0-30.0 2.0-2.5 (238 0) 6) max. 0.06 19.0-22.0 27.5-30.5 2.0-3.0 (238 1) 6) max. 0.02 19.0-21.0 24.0-26.0 6.0-7.0 (238 2) 6) max.0.025 19.5-20.5 17.5-19.5 6.0-7.0 Austenitic - ferritic (Duplex) steel 1.4468 max. 0.03 24.5-26.5 5.5-7.0 2.5-3.5 1.4469 max. 0.03 25.0-27.0 6.0-8.0 3.0-5.0 1.4470 max. 0.03 21.0-23.0 4.5-6.5 2.5-3.5 1.4517 max. 0.03 24.5-26.5 5.0-7.0 2.5-3.5 1 N/mm equals 1 Mpa 4) 1% elongation limit N 0.12-0.25 650 max. 1.30 N 0.12-0.22 650 N 0.12-0.20 600 2.75-3.5 N 0.12-0.22 650 6) in house material code

11.2 Material number German Standard - DIN Short name or description Standard USA - Standards ASTM UNS Standard, Grade, Type

Material overview - Cast steel (cont.) European Standard - EN Material Short name or description Standard number

1.4308 1.4408 1.4552 1.4581 G-X5 CrNiNb 18 9 G-X5 CrNiMoNb 18 10 17 445 17 445 G-X6 CrNiMo 18 10 17 445

10213-4 10213-4 10213-4 10213-4 10213-4 10213-4 10213-4 10213-4 10213-4 10213-4 1.4517 1.4469 G-X2 CrNiMoN 25 7 4 G-X3 CrNiMoCuN 26 6 3 3

G-X6 CrNi 18 9

17 445

A 351,743,744 A 351,743,744 A 351,743,744 A 351,743,744 A 744 CF 8C

CF 8 CF 3 J 92500 CF 8M J 92900 CF 3M

A 351,743,744 CN7M SEW 410 A 890 5A (CE 3MN) J 93404 A 890 4A (CD 3MN) J 92205 SEW 410 A 890 1B (CD4MCuN) A 743 CA 40 17 445 A 743, 744 SEW 410 A 743, 744 17 245 17 245 J 91150 J 91803

Stainless steel for pressure vessels Austenitic steel 1.4308 GX5CrNi19-10 1.4309 GX2CrNi19-11 1.4408 GX5CrNiMo19-11-2 1.4409 GX2CrNiMo19-11-2 1.4552 GX5CrNiNb19-11 1.4581 GX5CrNiMoNb19-11-2 Full austenitic steel 1.4458 GX2NiCrMo28-20-2 Austenitic - ferritic (Duplex) steel 1.4469 GX2CrNiMoN26-7-4 1.4470 GX2CrNiMoN22-5-3 1.4517 GX2CrNiMoCuN25-6-3-3 Cast steel for special applications

1.4931 1.7706

GX23CrMoV12-1 G17CrMoV5-10

10213-2 10213-2

1.4034 1.4059 1.4138 1.4316 1.4391 1.7706

G-X46 Cr 13 G-X22 CrNi 17 G-X120 CrMo 29 2 G-X2 CrNiSi 18 15 G-X22 CrMoV 12 1 GS-17 CrMoV 5 11

Material number Other

Mechanical properties (guide values) Rm Rp 0,2 A KV N/mm N/mm % J (tC)

Density ca. kg/dm

Nmax. 0.20 Nmax. 0.20 Nb 8xC Nb 8xC Nmax. 0.20 N 0.12-0.22 N 0.12-0.20 N 0.12-0.22 650-850 600-800 650-850 430-630 165,190 4) 480 420 480 30 22 20 22 Rockwell hardness HRC 55 780-980 590 4 Si 4.3-4.7 V 0.25-0.35 V 0.25-0.35 540-700 740-960 590-780 250 550 440 30 15 15

440-640 440-640 440-640 440-640 440-640 440-640

175,200 4) 185,210 4) 185,210 4) 195,220 4) 175,200 4) 185,210 4) 30 30 30 30 25 25

60 (-196) 70 (-196) 60 (-196) 70 (-196) 40 (RT) 40 (RT) 60 (-196) 35 (-70) 30 (RT) 35 (-70)

7.88 7.88 7.9 7.9 7.88 7.9 8.0 7.7 7.7 7.7

Chemical analysis (Sample from melt analysis) % by weight C Cr Ni Mo Cu Stainless steel for pressure vessels Austenitic steel 1.4308 max. 0.07 18.0-20.0 8.0-11.0 1.4309 max. 0.03 18.0-20.0 9.0-12.0 1.4408 max. 0.07 18.0-20.0 9.0-12.0 2.0-2.5 1.4409 max. 0.03 18.0-20.0 9.0-12.0 2.0-2.5 1.4552