| Comparative Specifications |
| Nominal Chemical Analysis |
| Mechanical Properties |
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| Specifications | CF8 | CF3 | CF8M | CF3M | CG8M | CF8C | CA6NM | CN7M |
| FEDERAL |
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| MILITARY | MIL-S-867A, CI. I |
| MIL-S-867A, CI. III |
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| MIL-S-867A, CI. II |
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| NAVY |
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| ACI | CF-8 | CF-3 | CF-8M | CF-3M | CG-8M | CF-8C | CA-6NM | CN-7M |
| AISI | 304 | 304L | 316 | 316L | 317 | 347 | CA6NM | CN7M |
| ASTM | A-351, CF8 & CF8A | A-351, CF3 & CF3A | A-351, CF8M | A-351, CF3M & CF3MA | A-351, CG8M | A-351, CF8C | A-743, CA6NM | A-351, CN7M |
| A-743, CF8 | A-743, CF3 | A-743, CF8M | A-743, CF3M | A-743, CG8M | A-743, CF8C |
| A-743, CN7M |
| A-744, CF8 | A-744, CF3 | A-744, CF8M | A-744, CF3M | A-744, CG8M | A-744, CF8C |
| A-744, CN7M |
| UNS |
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| SAE | 60304 | (30304L) | 60316 | (30316L) | (30317) | 60347 |
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| (30304) | | (30316) | |
| (30347) |
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| AMS |
| 5731 |
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| 5363 |
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| ASME | SA-351, CF8 | SA-351, CF3 | SA-351, CF8M | SA-351, CF3M |
| SA-351, CF8C |
| SA-351, CN7M |
| & CF8A | & CF3A |
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| CHROMIUM | 19.00 | 19.00 | 19.00 | 19.00 | 19.00 | 19.00 | 13.00 | 20.00 |
| CARBON | 0.08X | 0.03X | 0.08X | 0.03X |
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| SILICON |
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| NICKEL | 9.00 | 9.00 | 10.00 | 10.00 | 11.00 | 10.00 | 4.00 | 29.00 |
| COPPER |
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| 3.50 |
| MOLYBDENUM |
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| 2.50 | 2.50 | 3.50 |
| .75 | 2.50 |
| NIOBIUM |
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| .75 |
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| NITROGEN |
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| TENSILE, psi | 80.000 | 82.000 | 80,000 | 85,000 | 83,000 | 78,000 | 120,000 | 69,000 |
| YIELD, psi | 40,000 | 40,000 | 42,000 | 42,000 | 44,000 | 38,000 | 95,000 | 32,000 |
| ELONGATION, % | 50 | 55 | 50 | 50 | 45 | 39 | 24 | 48 |
| R/A, % |
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| 60 |
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| BHN | 165 | 169 | 165 | 176 | 172 | 159 | 255 | 144 |
| CONDITION |
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| Specifications | CA15 | CA40 | 17/4 | 15/5 | CD4M 1A | CD4MCuN 1B | CE8MN 2A | CD6MN 3A | CD3MN 4A | CE3MN 5A | CD3MN 6A |
| FEDERAL |
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| MILITARY | MIL-S-16993A, CI. 1 | |
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| NAVY |
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| ACI | CA-15 | CA-40 |
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| CD4MCu | CD4MCuN | CE8MN | CD6MN 3A | CD3MN 4A | CE3MN 5A | CD3MWCuN |
| AISI | 410 | 420 | 17/4 | 15/5 |
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| ASTM | A-743, CA15 | A-743, CA15 | A-743, CB7Cu-1 | A-747, CB7Cu-2 | A-890, 1A | A-890, 1B | A-890, 2A | A-890, 3A | A-890, 4A | A-890, 5A | A-890, 6A |
| UNS |
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| J93370 | J93372 | J93345 | J93371 | J92205 | J93404 | J93380 |
| SAE | 60410 | 60420 |
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| (51410) | (51420) |
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| AMS | 5351 |
| 5398 | 5348 |
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| ASME | SA-351, CA15 |
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| CHROMIUM | 12.00 | 12.00 | 16.00 | 14.50 | 25.00 | 25.00 | 24.00 | 25.50 | 22.00 | 25.00 | 25.00 |
| CARBON | 0.12 | 0.30 | 0.07 | 0.07 | 0.04 | 0.04X | 0.08X | 0.06X | 0.03X | .03X | .03X |
| SILICON |
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| 1.00 | 1.00 | 1.50 | 1.00 | 1.00 | 1.00 | 1.00 |
| NICKEL | |
| 4.00 | 5.00 | 5.00 | 5.00 | 9.50 | 5.00 | 5.50 | 7.00 | 7.50 |
| COPPER |
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| 3.00 | 3.00 | 3.00 | 3.00 |
| 2.00 | 1.00X |
| 0.75 |
| MOLYBDENUM |
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| 2.00 | 2.00 | 3.75 | 2.00 | 3.00 | 4.50 | 3.50 |
| NIOBIUM | Carbon .12 | Carbon .30 | 0.25 | 0.25 |
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| NITROGEN |
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| 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
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| TENSILE, psi | 115,000 | 130,000 | 190,000 | 190,000 | 100,000 | 100,000 | 95,000 | 95,000 | 90,000 | 100,000 | 100,000 |
| YIELD, psi | 100,000 | 105,000 | 168,000 | 168,000 | 70,000 | 70,000 | 65,000 | 65,000 | 60,000 | 75,000 | 65,000 |
| ELONGATION, % | 22 | 15 | 11 | 11 | 16 | 16 | 25 | 25 | 25.00 | 18.00 | 25 |
| R/A, % | 55 | 55 | 35 | 35 |
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| BHN | 235 | 269 | 393 | 393 |
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| CONDITION |
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Source: http://www.techni-cast.com/stainless_steel.htm |
THANK YOU !!!