Valve Body Material Selection Guide
Valve Body Material Selection Guide
| Material Group | Common Name | Material Type | Forging Spec | UNS | Casting Spec.
Equivalent |
DIN | DIN W.No | Application |
| Carbon Steel | CS | C-Mn-Fe | ASTM A105N | K03504 | A216-WCB | C22.8
|
||
| Low Temperature Carbon Steel | LTC | C-Mn-Fe | A350 LF2 | K03011 | A352 LC1
A352 LCB A352 LCC |
TSTE 355 DIN 18103 | 1.0566 | General non-corrosive service
from -50ºF (-46ºC) to 650ºF (340ºC), LF2 to 800ºF (427ºC) |
| Low Temperature Alloy Steel | Nickel Steel | 3.1/2Ni | A350 LF3 | K32025 | A352 LC3 | 10Ni14 | 1.5637 | -150ºF (-101ºC) to 650ºF (340ºC) |
| Low Alloy Steel | Moly Steel | C-1/2Mo | 182-F1 | K12822 | A217 WC1 | 15Mo3 | 1.5415 | Up to 875ºF (468ºC) |
| Alloy Steel Chrome Moly | 1-1/4Cr-1/2Mo | A182 F11 Cl2 | K11572 | A217 WC6 | 13CrMo44 | 1.7335 | Up to 1100ºF (593ºC) | |
| 2-1/4Cr-1Mo | A182 F22 Cl3 | K21590 | A217 WC9 | 10CrMo910 | 1.7380 | Up to 1100ºF (593ºC), HP steam | ||
| 5Cr-1/2Mo | A182 5A | K41545 | A217 C5 | 12CrMo195 | 1.7362 | High temp. refinery service | ||
| 9Cr-1Mo-V | A182 F9 | K90941 | A217 C12 | X 12CrMo 91 | 1.7386 | High temp. erosive refinery service | ||
| 9Cr-1Mo-V | A182 F91 | A217 C12A | X 10CrMoVNb91 | 1.4903 | High pressure steam | |||
| Stainless Steel | Austentic Stainless Steel 300 Series S.Steel | 304: 18Cr-8Ni | A182 F304 | S30400 | A351 CF8 | DIN X5CrNi 189 | 1.4301 | 0.04% min. carbon for temp. >1000ºF (538ºC) |
| 304L:18Cr-8Ni | A182 F304L | S30403 | A351 CF3 | X 2 CrNi1911 | 1.4306 | Up to 800ºF (427ºC) | ||
| 304H | A182 F304H | S30409 | A351 CF10 | N/A | N/A | |||
| 316:16Cr-12Ni-2Mo | A182 F316 | S31600 | A351 CF8M | DIN X5CrNiMo18 10 | 1.4401 | 0.04% min. carbon for temp. >1000ºF (538ºC) | ||
| 316L:16Cr-12Ni-2Mo | A182 F316L | S31603 | A351 CF3M | X 5 CrNiMo 17 12 2 | 1.4404 | Up to 800ºF (427ºC) | ||
| 316H | A182 F316H | S31609 | A351 CF10M | |||||
| 316Ti | A182 F316 Ti | S31635 | X 6 CrNiMoTi 17 12 2 | 1.4571 | Special Grade | |||
| 321 : 18Cr-10Ni-Ti | A182 F321 | S32100 | X 6 CrNiTi 18 10 | 1.4541 | 0.04%min. carbon (grade F321H) and heat treat at 2000ºF (1100ºC) for service temps. >1000ºF (538ºC) | |||
| 321H | A182 F321H | S32109 | ||||||
| 347 : 18Cr-10Ni-Cb(Nb) | A182 F347 | S34700 | A351 CF8C | DIN 8556 | 1.4550 | |||
| 347H | A182-F347H | S34709 | ||||||
| 317L | A182-F317 | S31703 | A351-CG3M* | X2CrNiMo18-16-4 | 1.4438 | |||
| Alloy 20 | 28Ni-19Cr-Cu-Mo | A182 F20 | N08020 | A351-CN7M | DIN 1.4500 | 2.4660 | Service to 600ºF (316ºC) | |
| Duplex 2205 | 22Cr-5Ni-3Mo-N | A182 F51 | S31803 | A351 -CD3MN | X2CrNiMoN22-5-3 | 1.4462 | Service to 600ºF (316ºC)-The original S31803 UNS designation has been supplemented by S32205 which has higher minimum N.CR and Mo | |
| S32205 | A890-J92205 | DIN 10088-1 (95) | ||||||
| Super Duplex 2507 | 25Cr-7Ni-4Mo-N | A182 F53 | S32750 | A351-CD4MCu* | X2CrNiMoN27-7-4 | 1.4501 | Service to 600ºF (316ºC) | |
| A890 5A* | DIN 10088-1(95) | |||||||
| Super Duplex F55 | 25Cr-7Ni-3.5Mo-N-Cu-W | A182 F55 | S32760 | A995-CD3MWCuN | Service to 600ºF (316ºC) | |||
| Super Austentic 6Mo | 20Cr-18Ni-6Mo | A182 F44 | S31254 | A351-CK3MCuN | X1CrNiMoCuN20-18-7 | 1.4547 | Service to 600ºF (316ºC) | |
| DIN 10088-1 (95) | ||||||||
| Nickel-Iron Alloy | Incoloy 800 | 33Ni-42Fe-21Cr | B564-N08800 | N08800 | X10NiCrAlTi32-20 | 1.4876 | Service to 1000ºF (538ºC) | |
| Incoloy 825 | 42Ni-21.5Cr-3Mo-2.3Cu | B564-N08825* | N08825 | A494-CU5MCuC* | DIN 17744 | 2.4858 | Service to 600ºF (316ºC) | |
| Nickel | Nickel | 99/95Ni | B160-N02200 | N02200 | A494-CZ-100 | NW2200 | 1.7740 | |
| Nickel Copper | Monel 400 | 67Ni-30Cu | B564-N04400 | N04400 | A494-M35-1 | DIN 17730 | 2.4360 | |
| Monel 500 | B564-N05500 | N05500 | 2.4375 | |||||
| Nickel Alloy | 904L | 904L | N08904 | Z2NCDU 25-20 | 1.4539 |