Grade TP 304/304L - 1.4301/1.4306
Wst. 14301/14306
UNS S30400/S30403
Stock program: Available on request, some sizes on stock
Specification: ASTM A 269/A 213 / EN 10216-5 / NACE MR0175/PED 97/23 EC
Maximum service temperature: 430°C / 800°F
Characteristics
- Excellent resistance to high-temperature corrosion
- Excellent formability
- Higher creep resistance
- Good resistance for intergranular corrosion when expose in midly corrosive environments
Market applications:
- Chemical & refineries
- Power plants
- Super heater and after burner parts
- Furnace components
Technical details
| Technical composition (%) | Fe | Cr | Ni | Mn | Si | P | C | S | |
|---|---|---|---|---|---|---|---|---|---|
| 304 | Bal. | 18.0 | 8.0 | - | - | - | - | - | |
| - | 20.0 | 11.0 | 2.00 | 0.75 | 0.040 | 0.080 | 0.030 | ||
| 304L | Bal. | 18.0 | 8.0 | - | - | - | - | - | |
| - | 20.0 | 13.0 | 2.00 | 0.75 | 0.040 | 0.035 | 0.030 |
| Mechanical properties | 304 | 304L |
|---|---|---|
| Tensile strenght (mpa, min) | 500 -700 | 460 - 680 |
| Yield strength (0.2% offset mpa, min) | 295 | 180 |
| Elongation (%, min) | 40 | 40 |
| Density / weight (g / cm3 / kg) | 8.0 | 8.0 |