STAINLESS STEELS
  Comparative Specifications
  Nominal Chemical Analysis
  Mechanical Properties
TECHNI-CAST CF8 CF3 CF8M CF3M CG8M CF8C CA6NM CN7M
FEDERAL
MILITARY MIL-S-867A, CI. I MIL-S-867A, CI. III MIL-S-867A, CI. II
NAVY
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
SAE 60304 (30304L) 60316 (30316L) (30317) 60347
(30304)   (30316)   (30347)
AMS 5731 5363
ASME SA-351, CF8 SA-351, CF3 SA-351, CF8M SA-351, CF3M SA-351, CF8C SA-351, CN7M
& CF8A & CF3A
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
SILICON
NICKEL 9.00 9.00 10.00 10.00 11.00 10.00 4.00 29.00
COPPER 3.50
MOLYBDENUM 2.50 2.50 3.50 .75 2.50
NIOBIUM .75
NITROGEN
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, % 60
BHN 165 169 165 176 172 159 255 144
CONDITION

TECHNI-CAST CA15 CA40 17/4 15/5 CD4M 1A CD4MCuN 1B CE8MN 2A CD6MN 3A CD3MN 4A CE3MN 5A CD3MN 6A
FEDERAL
MILITARY MIL-S-16993A, CI. 1  
NAVY
ACI CA-15 CA-40 CD4MCu CD4MCuN CE8MN CD6MN 3A CD3MN 4A CE3MN 5A CD3MWCuN
AISI 410 420 17/4 15/5
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 J93370 J93372 J93345 J93371 J92205 J93404 J93380
SAE 60410 60420
(51410) (51420)
AMS 5351 5398 5348
ASME SA-351, CA15
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 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 3.00 3.00 3.00 3.00 2.00 1.00X 0.75
MOLYBDENUM 2.00 2.00 3.75 2.00 3.00 4.50 3.50
NIOBIUM Carbon .12 Carbon .30 0.25 0.25
NITROGEN 0.20 0.20 0.20 0.20 0.20
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
BHN 235 269 393 393
CONDITION

 

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