Alloy steels comprise a spectrum of steels whose compositions include the elements Ni, Si, Va, C, Mo, Cr, Mn, and B which have been fixed for carbon steels. These steels are more responsive to mechanical and heat treatments than carbon steels.
| Element | Content(%) |
|---|---|
| Iron, Fe | ≥ 96.725 |
| Chromium, Cr | 0.80-1.10 |
| Manganese, Mn | 0.75-1.10 |
| Carbon, C | 0.40-0.45 |
| Silicon, Si | 0.15-0.30 |
| Molybdenum, Mo | 0.15-0.25 |
| Sulfur, S | ≤ 0.040 |
| Phosphorous, P | ≤ 0.035 |
| Properties | Metric | Imperial |
|---|---|---|
| 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 |
| Hardness, Brinell (annealed and cold drawn) | 187-229 | 187-229 |
| Hardness, Knoop (converted from Brinell hardness) | 230 | 230 |
| Hardness, Rockwell B (converted from Brinell hardness) | 94 | 94 |
| Hardness, Rockwell C (converted from Brinell hardness, value below normal HRC range, for comparison purposes only) | 15 | 15 |
| Hardness, Vickers (converted from Brinell hardness) | 218 | 218 |
| Machinability (annealed and cold drawn, based AISI 1212 steel, as on 100 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 |
ASTM A322
ASTM A331
ASTM A505
ASTM A519
ASTM A547
SAE J404
SAE J412
SAE J770
ASTM A29
ASTM A372 (VIII)
ASTM A711
ASTM A752
ASTM A829
SAE J1397
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.