Alloy Specification Carbon Manganese Silicon Chromium Nickel Molybdenum Phosphorus Sulfur Copper Iron  Other
303 Mil-S-81591 IC 303 b 0.16 1.50 2.00 18.0 to 21.0 9.0 to 12.0 0.40 to 0.80 0.04 0.20 to 0.40 0.50 Balance
304 ASTM A351 CF8/CF8 A

and CF3/CF3 A

0.03 1.50 2.00 18.0 to 21.0 8.0 to 11.0 0.50 0.04 0.04 Balance
310 ASTM A743 CK20 0.20 2.00 2.00 23.0 to 27.0 19.0 to 22.0 0.04 0.04 Balance
310 ASTM A297 HK 0.20 to 0.60 2.00 2.00 24.0 to 28.0 18.0 to 22.0 0.50 0.04 0.04 Balance
316 AMS 5360 (Non Mag) 0.15 2.00 0.75 16.0 to 18.0 12.0 to 14.0 1.50 to 2.25 0.04 0.03 0.75 Balance
316 ASTM 743/744 CF8M and CF3M 0.03 1.50 1.50 18.0 to 21.0 9.0 to 12.0 2.0 to 3.0 0.04 0.04 Balance
347 AMS 5362 and AMS 5364 0.08 2.00 1.50 18.00 to 19.50 10.00 to 14.00 0.75 0.04 0.03 0.75 Balance Cb/Ta, 10 XC-1.5

Ta 0.05 Max

CN7M ASTM A351/743/744 CN7M 0.07 1.50 1.50 19.00 to 22.00 27.5 to 30.5 2.0 to 3.0 0.04 0.04 3.0 to 4.0 Balance
410 ASTM A217/743 CA15 0.15 1.00 1.50 11.50 to 14.0 1.00 0.50 0.04 0.04 Balance
CA6NM ASTM A352/743 CA6NM 0.06 1.00 1.00 11.5 to 14.0 3.5 to 4.5 0.40 to 1.0 Balance
CD4MCUN ASTM A890/995 1B 0.04 1.00 1.00 24.5 to 26.5 4.7 to 6.0 1.7 to 2.3 0.04 0.04 2.7 to 3.3 Balance N2 0.10 to 0.25
CD3MN ASTM A890/995 4A 0.03 1.50 1.00 21.0 to 23.5 4.5 to 6.5 2.5 to 3.5 0.04 0.02 1.00 Balance N2 0.10 to 0.30
CE3MN ASTM A890/995  5A 0.03 1.50 1.00 24.0 to 26.0 6.0 to 8.0 4.0 to 5.0 0.04 0.04 Balance N2 0.10 to 0.30
2205 XCrNiMoCuN25-6-3 0.03 2.00 0.70 24.0 to 26.0 5.5 to 7.5 2.70 to 4.00 0.035 0.015 1.0 to 2.5 Balance 0.05 to 2.0