COMMON VALVE CASTING MATERIALS METALLURGY
| Cast Alloy | Similar Wrought Designation | Specification | UNS No. | C | Cr | Ni | Mo | Cu | Fe | Cb | Other | Tensile (ksi) | Yield (ksi) | Elong |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CA6NM | 415, F6NM | ASTM-A743, A487 | J91540 | 0.06 | 11.5-14.0 | 3.5-4.5 | .4-1.0 | - | BAL | - | - | 110 | 80 | 17% |
| CA15 | 410 | ASTM-A217, A743 | J91150 | 0.15 | 11.5-14.0 | 1 | 0.5 | 0.5 | BAL | - | - | 90 | 65 | 18% |
| CB7Cu-1 | 17-4 PH | ASTM-A747, AMS-5398C | J92180 | 0.06 | 15.5-17.7 | 3.6-4.6 | - | 2.5-3.2 | BAL | .15-.35 | - | 135 H1100 Condition | 100 | 9% |
| CF3 | 304L | ASTM-A351, A743, A744 | J92500 | 0.03 | 17.0-21.0 | 8.0-12.0 | 0.5 | - | BAL | - | - | 70 | 30 | 35% |
| CF3MN | 316LN | ASTM-A743, A351 | J92804 | 0.03 | 17.0-21.0 | 9.0-13.0 | 2.0-3.0 | - | BAL | - | N- 0.10-0.20 | 75 | 37 | 35% |
| CF3M | 316L | ASTM-A351, A743, A744 | J92800 | 0.03 | 17.0-21.0 | 9.0-13.0 | 2.0-3.0 | - | BAL | - | - | 70 | 30 | 30% |
| CF8 | 304 | ASTM-A351, A743, A744 | J92600 | 0.08 | 18.0-21.0 | 8.0-11.0 | 0.5 | - | BAL | - | - | 70 | 30 | 35% |
| CF8C | 347 | ASTM-A351, A743, A744 | J92710 | 0.08 | 18.0-21.0 | 9.0-12.0 | 0.5 | - | BAL | 8xC-1.0 | - | 70 | 30 | 30% |
| CF8M | 316 | ASTM-A351, A743, A744 | J92900 | 0.08 | 18.0-21.0 | 9.0-12.0 | 2.0-3.0 | - | BAL | - | - | 70 | 30 | 30% |
| CG3M | 317L | ASTM-A351, A743 , A744 | J92999 | 0.03 | 18.0-21.0 | 9.0-13.0 | 3.0-4.0 | - | BAL | - | - | 75 | 35 | 25% |
| CG8M | 317 | ASTM-A351, A743 , A744 | J93000 | 0.08 | 18.0-21.0 | 9.0-13.0 | 3.0-4.0 | - | BAL | - | - | 75 | 35 | 25% |
| CN7M | Alloy 20 | ASTM-A351, A743, A744 | N08007 | 0.07 | 19.0-22.0 | 27.5-30.5 | 2.0-3.0 | 3.0-4.0 | BAL | - | - | 62 | 25 | 35% |
| CN2MCuN | 904L | N08904 | 0.02 | 19.0-23.0 | 23.0-28.0 | 4.0-5.0 | 1.0-2.0 | BAL | - | - | 65 | 28 | 35% | |
| CK3MCuN | Avesta 254-SMO | ASTM-A351, A743, A744 | J93254 | 0.025 | 19.5-20.5 | 17.5-19.5 | 6.00-7.00 | 0.50-1.00 | BAL | - | N 0.18-0.24 | 80 | 38 | 35% |
| CN3MN | AL6XN | ASTM-A351, A743, A744 | J94651 | 0.030 | 20.0-22.0 | 23.5-25.5 | 6.0-7.0 | 0.75 | BAL | - | N 0.18-1.26 | 80 | 38 | 35% |
| CX2MW | Hastelloy C-22 | ASTM A494 | N26022 | 0.02 | 20.0-22.5 | BAL | 12.5-14.5 | - | 2.0-6.0 | - | W-2.5-3.5 | 80 | 45 | 30% |
| CW2M | Hastelloy C4C | ASTM-A494, A990 | N26455 | 0.02 | 15.0-17.5 | BAL | 15.0-17.5 | - | 2 | - | - | 72 | 40 | 20% |
| CW6M | Hastelloy C Modified | ASTM-A494 | N30107 | 0.07 | 17.0-20.0 | BAL | 17.0-20.0 | - | 3 | - | - | 72 | 40 | 25% |
| CW6MC | Inconel 625 | ASTM-A494, MIL-C-24615 | N26625 | 0.06 | 20.0-23.0 | BAL | 8.0-10.0 | - | 5 | 3.15-4.5 | - | 70 | 40 | 25% |
| CW12MW | Hastelloy C | ASTM-A494 | N30002 | 0.12 | 15.5-17.5 | BAL | 16.0-18.0 | - | 4.5-7.5 | - | W-3.75-5.25,V-.20-.40 | 72 | 40 | 4% |
| CW12MW | Hastelloy C-276 | ASTM-A494 | N30002 | 0.02 | 15.5-17.5 | BAL | 16.0-18.0 | - | 4.5-7.5 | - | W-3.75-5.25,V-.20-.40 | 72 | 40 | 4% |
| CY40 | Inconel 600 | ASTM-A494 | N06040 | 0.4 | 14.0-17.0 | BAL | - | - | 11 | - | - | 70 | 28 | 30% |
| CZ100 | Cast Nickel | ASTM-A494 | N02100 | 1 | - | 95.0 min. | - | 1.25 | 3 | - | - | 50 | 18 | 10% |
| N7M | Hastelloy B Modified | ASTM-A494 | N30007 | 0.07 | 1 | BAL | 30.0-33.0 | - | 3 | - | - | 76 | 40 | 20% |
| N12MV | Hastelloy B | ASTM-A494 | N30012 | 0.12 | 1 | BAL | 26.0-30.0 | - | 4.0-6.0 | - | - | 76 | 40 | 6% |
| M35-1 | Monel 400 | ASTM-A494, A990 | N24135 | 0.35 | - | BAL | - | 26.0-33.0 | 3.5 | 0.5 | Si 1.25 | 65 | 25 | 25% |
| M35-2 | Monel | ASTM-A494 | N04020 | 0.35 | - | BAL | - | 26.0-33.0 | 3.5 | - | Si 2.0 | 65 | 30 | 25% |
| M35-B / M30H | H-Monel | ASTM-A494, QQ-N-288 Comp B | N24030 | 0.3 | - | BAL | - | 27.0-33.0 | 2.5 | - | Si 2.7-3.9 | 700 | 60 | 10% |
| M35-C | Monel | QQ-N-288 Comp C | N24025 | 0.2 | - | BAL | - | 27.0-31.0 | 2.5 | - | Si 3.3-3.7 | 120 | 80 | 10% |
| M35-D / M25S | S-Monel | ASTM A494, QQ-N-288 Comp D | N24025 | 0.25 | - | BAL | - | 27.0-31.0 | 2.5 | - | Si 3.5-4.5 | - | - | - |
| M30C / M35W | Weldable Monel | ASTM-A494, QQ-N-288 Comp E | N24130 | 0.3 | - | BAL | - | 26.0-33.0 | 3.5 | - | Si 1.0-2.0, Cb 1.0-3.0 | 65 | 32.5 | 25% |
| 952 | Al Bronze Grade A | ASTM-B148 | C95200 | - | - | - | - | 86.0 min | 2.5-4.0 | - | Al 8.5-9.5 | 65 | 25 | 20% |
| 954 | Aluminum-Bronze | ASTM-B148 | C95400 | - | - | 1.5 max | - | 83.0 min | 3.0-5.0 | - | Al 10.0-11.5 | 75 | 30 | 12% |
| 955 | Aluminum-Bronze | ASTM-B148 | C95500 | - | - | 3.0-5.5 | - | 78.0 min | 3.0-5.0 | - | Al 10.0-11.5 | 90 | 40 | 6% |
| 958 | Ni-Al-Brz | ASTM-B148 | C95800 | - | - | 4.0-5.0 | - | 79.0 Min | 3.0-4.5 | - | Al 8.5-9.5 Pb .03 max | 85 | 35 | 15% |
| 964 | 70*30 Copper-Nickel | ASTM-B369 | C96400 | 0.15 | - | 28.0-32.0 | - | BAL | .25-1.5 | 0.5-1.5 | Mn 1.5 | 60 | 32 | 20% |
| CD4MCuN | Duplex Grade 1B | ASTM-A890, A995 | J93372 | 0.04 | 24.5-26.5 | 4.75-6.0 | 1.75-2.25 | 2.75-3.25 | BAL | - | N 0.10-0.25 | 100 | 70 | 16% |
| CD3MCuN | Duplex Grade 1C | ASTM-A890 | J93373 | 0.03 | 24-26.7 | 5.6-6.7 | 2.9-3.8 | 1.4-1.9 | BAL | - | N 0.22-0.33 | 100 | 65 | 25% |
| CE8MN | Duplex Grade 2A | ASTM-A351, A890, A995 | J93345 | 0.08 | 22.5-25.5 | 8.0-11.0 | 3.00-4.50 | - | BAL | - | N 0.10-0.30 | 95 | 65 | 25% |
| CD6MN | Duplex Grade 3A | ASTM-A890, A995 | J93371 | 0.06 | 24.0-27.0 | 4.0-6.0 | 1.75-2.50 | - | BAL | - | N 0.10-0.25 | 95 | 65 | 25% |
| CD3MN | Duplex Grade 4A | ASTM-A890, A995 | J92205 | 0.03 | 21.0-23.5 | 4.5-6.5 | 2.5-3.5 | 1.00 max | BAL | - | N 0.10-0.30 | 90 | 60 | 25% |
| CE3MN | Duplex Grade 5A | ASTM-A890, A995 | J93404 | 0.03 | 24.0-26.0 | 6.0-8.0 | 4.0-5.0 | - | BAL | - | N 0.10-0.03 | 100 | 75 | 18% |
| CD3MWCuN | Grade 6A Zeron100 | ASTM-A890, A995 | J93380 | 0.03 | 24.0-26.0 | 6.5-8.5 | 3.0-4.0 | 0.5-1.0 | BAL | - | N 0.02-0.03 W 0.5-1.0 | 100 | 65 | 25% |
| HH | ASTM-A297 | ASTM-A297 | J93503 | 0.20-0.50 | 24.0-28.0 | 11.0-14.0 | 0.5 | 1 | BAL | - | - | 75 | 35 | 10% |
| HK | ASTM-A297 | ASTM-A297 | J94224 | 0.20-0.60 | 24.0-28.0 | 18.0-22.0 | 0.5 | 1 | BAL | - | - | 65 | 35 | 10% |
| HN | HI-35 | ASTM-A297 | J94213 | 0.20-0.50 | 19.0-23.0 | 23.0-27.0 | 0.5 | 1 | BAL | - | - | 63 | - | 8% |
| HT | 330 (15-35) | ASTM-A297 | N08605 | 0.35-0.75 | 15.0-19.0 | 33.0-37.0 | 0.5 | 1 | BAL | - | - | 65 | - | 4% |
| HU | (19-39) | ASTM-A297 | N08004 | 0.35-0.75 | 17.0-21.0 | 37.0-41.0 | 0.5 | 1 | BAL | - | - | 65 | - | 4% |
| HX | ACI HX | ASTM-A297 | N06006 | 0.35-0.75 | 15.0-19.0 | 64.0-68.0 | 0.5 | 1 | BAL | - | - | 60 | - | - |
| WCA | Carbon Steel | ASTM-A216 | J02502 | 0.25 | 0.5 | 0.5 | 0.2 | 0.3 | BAL | - | - | 60-85 | 30 | 24% |
| WCB | Carbon Steel | ASTM-A216 | J03002 | 0.3 | 0.5 | 0.5 | 0.2 | 0.3 | BAL | - | - | 70-95 | 36 | 22% |
| WCC | Carbon Steel | ASTM-A216 | J02503 | 0.25 | 0.5 | 0.5 | 0.2 | 0.3 | BAL | - | - | 70-95 | 40 | 22% |
| LCB | Carbon Steel | ASTM-A352 | J03003 | 0.3 | 0.5 | 0.5 | 0.2 | 0.3 | BAL | - | - | 65 | 35 | 24% |
| LCC | Carbon Steel | ASTM-A352 | J02505 | 0.25 | 0.5 | 0.5 | 0.2 | 0.3 | BAL | - | - | 70 | 40 | 22% |
| LC2 | ASTM-A352 | J22500 | 0.25 | - | 2.00-3.00 | 0.45-0.65 | - | BAL | - | - | 70.0-95.0 | 40.0 | 24% | |
| LC3 | ASTM-A352 | J31550 | 0.15 | - | 3.00-4.00 | - | - | BAL | - | - | 70.0-95.0 | 40.0 | 24% | |
| WC6 | ASTM-A217 | J12072 | 0.05-0.20 | 1.00-1.50 | - | 0.45-0.65 | 0.50 | BAL | - | - | 70-95 | 40 | 20% | |
| WC9 | ASTM-A217 | J21890 | 0.05-0.18 | 2.00-2.75 | - | 0.90-1.20 | 0.50 | BAL | - | - | 70-95 | 40 | 20% | |
| C5 | ASTM-A217 | J42045 | 0.20 | 4.00-6.50 | - | 0.45-0.65 | 0.50 | BAL | - | - | 90-115 | 60 | 18% | |
| C12 | ASTM-A217 | J82090 | 0.20 | 8.00-10.00 | - | 0.90-1.20 | 0.50 | BAL | - | - | 90-115 | 60 | 18% | |
| C12A | Grade 91 | ASTM-A217 | J84090 | 0.08-0.12 | 8.0-9.5 | 0.40 | 0.85-1.05 | - | BAL | 0.060-0.10 | N 0.030-0.070, V 0.18-0.25 | 85-110 | 60 | 18% |
| SC8625 | ASTM A487, A148 | 0.30 | 0.40-0.80 | 0.40-0.80 | 0.15-0.30 | 0.50 | BAL | - | - | 105-130 | 85 | 17% |
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