
Specification :
Grade | Specification |
AISI4130 | AMS 2301, 6370, 6348, MIL-S-6758 |
AISI4140 | AMS 2301, 6382, 6349, MIL-S-5626 |
4330 | AMS 2301, 6427, MIL-S-8699, BMS-7-27 |
AS4330 | AMS 6427, 6411, MIL-S-8699, BMS-7-27, Melt, N&T AMS 2300, BMS-7-122 |
AISI4340 | AMS 2301, 6409, 6415, MIL-S-5000, BMS 7-28, DMS-1555 |
9310 | AMS 2300, 6260, 6267, 6265, MIL-S-7393C |
52100 | AMS 2301, 6440, MIL-S-7420 |
Alloy Steel Temperature Range
Low Alloy Steel Applications & Uses
Alloy Steel Composition
AISI | UNS | C | Mn | P | S | Si | Cr | Ni | Cu | Others |
405 | S40500 | 0.08% | 1% | 0.04% | 0.03% | 1% | 11.5-14.5% | - | - | 1-3% |
430 | S43000 | 0.12% | 1% | 0.04% | 0.03% | 1% | 16-18% | - | - | - |
Properties of Low Alloy Steel
AISI | UNS | Typical Mechanical Strength | ||||
Tensile | Yield | Elongation | Reduction of | Brinell | ||
4130 | G41300 | 80 | 56 | 28 | 57 | 149 |
4140 | G41400 | 150 | 90 | 20 | 45 | 285 |
4330 | G43300 | 125 | 100 | 15 | 30 | 250-325 |
4340 | G43400 | 110 | 66 | 23 | 49 | 197 |