317L
Wst. 1.4438
UNS S31703
Programme de stock: 3 – 38 mm OD 1/8” – 1.1/2” OD
Specifications: ASTM A 213/ASME SA 213 EN 10216-5/EN 10305/ISO 15156-3 NACE MR0175/PED 97/23 EC
Température de service maximum: 430°C / 800°F
Characteristics alloy 317L:
- Resistance to sensitization during welding
- Higher creeps, stress-to-rapture and tensile strength at elevated temperatures
- Corrosion and pitting resistance
- Resistance in acidic and hand water areas
Market applications:
- Offshore, oil & gas
- Chemical
- Hydraulic
- Shipbuilding
- Refining
- Pulp and paper
Détails techniques:
| Technical composition (%) | Fe | Cr | Ni | Mo | Mn | Si | P | C | S | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 317L | min | Bal. | 18.0 | 11.0 | 3.0 | – | – | – | – | – | |||||||||
| max | – | 20.0 | 15.0 | 4.0 | 2.00 | 1.00 | 0.040 | 0.035 | 0.030 | ||||||||||
| Mechanical properties | 317L | |
|---|---|---|
| Tensile strenght (mpa, min) nl | 515 – 750 | |
| Yield strength (0.2% offset mpa, min) | 205 | |
| Elongation (%, min) | 35 | |
| Density / weight (g / cm3 / kg) | 7.90 |