Alloy steels comprise many types of steels whose compositions are more than the limitations of C, Mo, Cr, Va, Mn, Ni, Si, and B which have been allocated for carbon steels. These steels are more responsive to mechanical and heat treatments than carbon steels.
| Element | Content(%) |
|---|---|
| Iron, Fe | 94.645-95.72 |
| Nickel, Ni | 3.25-3.75 |
| Manganese, Mn | 0.500-0.700 |
| Molybdenum, Mo | 0.200-0.300 |
| Carbon, C | 0.180-0.230 |
| Silicon, Si | 0.150-0.300 |
| Sulfur, S | ≤ 0.0400 |
| Phosphorous, P | ≤ 0.0350 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 685 MPa | 99400 psi |
| Yield strength | 460 MPa | 66700 psi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Izod Impact | 94 J | 69.3 ft.lb |
| Hardness, Brinell | 197 | 197 |
| Hardness, Knoop (converted from Brinell hardness) | 219 | 219 |
| Hardness, Rockwell B (converted from Brinell hardness) | 92 | 92 |
| Hardness, Rockwell C (converted from Brinell hardness, value below normal HRC range, for comparison purposes only) | 13 | 13 |
| Hardness, Vickers (converted from Brinell hardness) | 207 | 207 |
| Machinability (annealed and cold drawn, based on 100 machinability for AISI 1212 steel) | 50 | 50 |
| 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 |
ASTM A29
ASTM A322
ASTM A331
ASTM A519
ASTM A535
ASTM A572
SAE J1397
SAE J404
SAE J412
ASTM A505
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.