Alloy steels contain a broad range of steels whose compositions exceed the limitations of C, Mo, Cr, Va, Mn, Ni, Si, and B associated with carbon steels. These steels are more responsive to mechanical and heat treatments than carbon steels.
| Element | Content(%) |
|---|---|
| Iron, Fe | 96.595-97.72 |
| Manganese, Mn | 0.750-1.00 |
| Nickel, Ni | 0.400-0.700 |
| Chromium, Cr | 0.400-0.600 |
| Carbon, C | 0.380-0.430 |
| Molybdenum, Mo | 0.200-0.300 |
| Silicon, Si | 0.150-0.300 |
| Sulfur, S | 0.0400 |
| Phosphorous, P | 0.0350 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 695 MPa | 101000 psi |
| Yield strength | 415 MPa | 60200 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 |
| Elongation at break (50mm) | 22.20% | 22.20% |
| Izod Impact | 41 J | 30.2 ft.lb |
| Hardness, Brinell | 201 | 201 |
| Hardness, Knoop (converted from Brinell hardness) | 223 | 223 |
| Hardness, Rockwell B (converted from Brinell hardness) | 93 | 93 |
| Hardness, Rockwell B (converted from Brinell hardness, value below normal HRC range, for comparison only) | 13 | 13 |
| Hardness, Vickers (converted from Brinell hardness) | 211 | 211 |
| Machinability (hot rolled and cold drawn, based on 100 machinability for AISI 1212 steel) | 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 |
DIN 1.6546
UNI 40 NiCrMo 2 KB
B.S. Type 7
AMS 6322
AMS 6322F
AMS 6323
AMS 6323D
AMS 6325
AMS 6325D
AMS 6327D
AMS 6358
AMS 6358B
ASTM A322
ASTM A331
ASTM A505
ASTM A519
SAE J770
SAE J412
AMS 6327
MIL SPEC MIL-S-6049
AMS 7496
ASTM A29
ASTM A752
MIL S-6049
SAE J1397
ASTM A320 (L7C, L73)
SAE J404
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.