Stainless steel grade 440A is a high carbon martensitic stainless steel that possesses good strength, moderate corrosion resistance, and excellent hardness and wear resistance.
Element | Content(%) |
---|---|
Iron, Fe | Balance |
Chromium, Cr | 16-18 |
Manganese, Mn | 1 |
Silicon, Si | 1 |
Molybdenum, Mo | 0.75 |
Carbon, C | 0.60-0.75 |
Sulfur, S | 0.03 |
Phosphorous, P | 0.04 |
Properties | Metric | Imperial |
---|---|---|
Tensile strength | 725-1790 MPa | 105000 - 260000 psi |
Yield strength (@strain 0.200 %) | 415-1650 MPa | 60200 - 239000 psi |
Modulus of elasticity | 204 - 215 GPa | 29600 - 31200 ksi |
Elongation at break (in 50 mm) | 5- 20% | 5- 20% |
Hardness, Rockwell B | 95 | 95 |
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 |
AISI 440A
AMS 5631
AMS 5632
ASTM A276
ASTM A314
ASTM A473
ASTM A511
ASTM A580
QQ S763
SAE 51440A
FED QQ-S-763
MIL SPEC MIL-S-862
SAE J405 (51440A)
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.