Alloy steel is often subdivided into low alloy steel and high alloy steels. Low alloy steels exhibit mechanical properties superior to plain carbon steels due to the addition of alloying elements such as molybdenum, nickel and chromium. High alloy steels, on the other hand exhibit high strength at elevated temperatures, and hence they are used in applications involving aggressive environments to which the steel must be resistant. AISI 4615 is a nickel-molybdenum steel.
| Element | Content(%) |
|---|---|
| Iron, Fe | 96.495 - 97.42 |
| Nickel, Ni | 1.65 - 2 |
| Manganese, Mn | 0.45 - 0.65 |
| Molybdenum, Mo | 0.20 - 0.30 |
| Silicon, Si | 0.15 - 0.30 |
| Carbon, C | 0.13 - 0.18 |
| Sulfur, S | ≤0.040 |
| Phosphorous, P | ≤0.035 |
| Properties | Metric | Imperial |
|---|---|---|
| Modulus of elasticity | 205 GPa | 29700 ksi |
| Bulk modulus | 140 GPa | 20300 ksi |
| Shear modulus | 80 GPa | 11600 ksi |
| Poisson’s ratio | 0.29 | 0.29 |
| Hardness, Brinell | 170 - 212 | 170 - 212 |
| Hardness, Vickers | 200 | 200 |
| Hardness, Knoop | 213 | 213 |
| Hardness, Rockwell C | 11 | 11 |
| Hardness, Rockwell B | 91 | 91 |
| Machinability | 65% | 65% |
| Production Route | Hot Rolled, Cold Rolled |
|---|---|
| Material Standard | AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, IS & Custom Chemistry |
| Size | Width from 100mm to 3000mm ; Length from 500mm to 12000mm |
| Thickness | 0.1mm to 400mm |
| Delivery Condition | As Rolled, Annealed, Quenched and Tempered, Normalized |
| Surface Finish | Plain, Brushed, Cladded |
AMS 6290
AMS 6290C
ASTM A322
ASTM A331
ASTM A505
MIL SPEC MIL-S-7493
SAE J404
SAE J412
SAE J770
1) Structures in Buildings, bridges, railway stations.
2) Fabrication of pipeline components & Industrial equipment.
3) Construction of automotive bodies, warehouses, shipping containers.
4) Commercial appliances, etc.