Low Alloy Steel


Common Alloy Name Industry Specifications Nominal Composition (Percent %)
502 AMS6466, AWS A5.28 ER80S-B6 Fe, 5.2 Cr, 0.55 Mo, 0.55 Mn
505AWS A5.28 ER80S-B8 Fe, 9.25 Cr, 1 Mo, 0.55 Mn
D6ACAMS5027, AMS5028 Fe, 1.05 Cr, 0.55 Ni, 1 Mo, 0.07 V, 0.34-0.40 C
1006AMS5030Fe, 0.06 C maximum
4140 (VM) AMS6452Fe, 0.95 Cr, 0.2 Mo, 0.38-0.42 C
4340 Mod (VM) AMS6456 Fe, 0.8 Cr, 1.8 Ni, 0.25 Mo, 0.35-0.40 C
4130 (VM) AMS6457Fe, 0.95 Cr, 0.2 Mo, 0.28-0.33 C
17-22A(S) (VM) AMS6458 Fe, 0.65 Si, 1.25 Cr, 0.5 Mo, 0.3 V, 0.28-0.33 C
6130 (VM) AMS6461 Fe, 0.95 Cr, 0.2 V, 0.28-0.33 C
70S-2 AWS A5.18 ER70S-2, MSRR9500/219, 232 Fe, 1.15 Mn, 0.55 Si, 0.1 Ti, 0.07 Zr, 0.1 Al
80S-B2 AWS A5.28 ER80S-B2 Fe, 1.35 Cr, 0.5 Mo, 1 C, 0.55 Mn, 0.55 Si
80S-D2, 90S-D2 AWS A5.28 ER80S-D2, ER90S-D2; MSRR9500/218 Fe, 1 C, 1.85 Mn, 0.65 Si, 0.5 Mo
90S-B3 AWS A5.28 ER90S-B3, MSRR9500/230 Fe, 2.5 Cr, 1.05 Mo, 1 C, 0.55 Mn, 0.55 Si
90S-B9 AWS A5.28 ER90S-B9 Fe, 9.25 Cr, 1 Mo, 1 C, 0.2 V, 0.3 Si
100S-1 AWS A5.28 ER100S-1 Fe, 1.5 Mn, 0.4 Si, 1.75 Ni, 0.4 Mo
110S-1 AWS A5.28 ER110S-1 Fe, 1.6 Mn, 0.4 Si, 2.25 Ni, 0.4 Mo
120S-1 AWS A5.28 ER120S-1 Fe, 1.6 Mn, 0.4 Si, 2.4 Ni, 0.5 Mo