Unlike 304L, Type 304H has a higher carbon content making the steel more suitable for use in applications where elevated temperatures are present. It is an austenitic chromium-nickel steel alloy and the greater carbon content delivers an increased tensile and yield strength.
| Element | Content(%) |
|---|---|
| Manganese, Mn | 2.00 |
| Nickel, Ni | 8.00/10.50 |
| Chromium, Cr | 18.00/20.00 |
| Carbon, C | 0.04/0.10 |
| Silicon, Si | 0.75 |
| Molybdenum, Mo | - |
| Sulfur, S | 0.030 |
| Phosphorus, P | 0.045 |
| Nitrogen, N | 0.10 |
| Properties | Metric |
|---|---|
| Proof Stress | 205 |
| Tensile Strength | 515 |
| Elongation | 40 |
| Hardness Max HB | 201 |
| Hardness Max HRB | 92 |
| 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 |
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.