317L Stainless Steel
UNS S31703
Description
317L stainless steel is a low carbon version of grade 317 stainless steel. It has the same high strength and corrosion resistance as 317 steel but can produce stronger welds due to the low carbon content. Due to its low carbon content, 317L also provides resistance to sensitization when welded and higher creep, stress to rupture, and tensile strength at elevated temperatures. It is non-magnetic in the annealed condition but may become slightly magnetic after welding. Because of these properties, it can be used in applications where it is not possible to anneal after welding and where maximum corrosion resistance is required.
Chemical Component
| Cr | Ni | Mo | Si | C | Mn | P | Fe |
|---|---|---|---|---|---|---|---|
| 18.00-20.00% | 11.00-15.00% | 3.00-4.00% | 0.75% max | 0.030% max | 2.00% max | 0.045% max | Balance |
Basic Information
| Items | 317L Stainless Steel |
|---|---|
| Catalog | ACMA-Fe-A014 |
| Density | 0.29 lb/in3, 7.99 g/cm3 |
| Electrical Resistivity, microhm-in (microhm-cm) | 68 °F (20 °C): 31.19 (79.0) |
| Specific Heat, BTU/lbl °F (kJ/kg·K) | 32-212 °F (0-100 °C): 0.12 (0.50) |
| Thermal Conductivity, BTU/hr/ft2/ft/°F (W/m·K) | At 212 °F (100 °C): 9.4 (16.2); At 932 °F (500 °C): 12.4 (21.4) |
| Mean Coefficient of Thermal Expansion, in/inl °F (µm/m·K) | 32-212 °F (0-100 °C): 8.9 x 10-6 (16.0); 32-600 °F (0-315 °C): 9.0 x 10-6 (16.2); 32-1000 °F (0-538 °C): 10.3 x 10-6 (18.5); 32-1500 °F (0-871 °C): 11.1 x 10-6 (18.5) |
| Modulus of Elasticity, ksi (MPa) | 28 x 103 (193 x 103) in tension; 11.2 x 103 (77 x 103) in torsion |
| Magnetic Permeability, H = 200 | Annealed < 1.02 max |
| Creep Strength, 1 % Flow in 10,000hrs | At 1000 °F: 24,000psi |
| Melting Range, °F (°C) | 2500-2590 (1371-1421) |
Material Forms
Alfa Chemistry offers 317L stainless steel in a variety of forms, including Coil, Sheet, Strip, Ribbon, Wire.
Mechanical Properties
- Mechanical properties at room temperature properties: annealed
| Ultimate Tensile Strength | Yield Strength (0.2% Offset) | Elongation | Hardness |
|---|---|---|---|
| 75 KSI min (517 MPa min) | 30 KSI min (205 MPa min) | 35% min | Rb 95 max |
Additional Properties
Corrosion Resistance: Refer to NACE (National Association of Corrosion Engineers) for recommendations.
Cold Forming: Type 317L can be readily formed and drawn.
Heat Treatment: Type 317L is non hardenable by heat treatment and can only be hardened by cold working.
Welding: For best results refer to: SSINA's "Welding of Stainless Steels and Other Joining Methods".
Specifications
Coil, Sheet, Strip, Ribbon, Wire: ASTM A167, ASTM A240
Applications
- Chemical processing
- Food processing
- Oil refineries
- Pulp and paper applications
- Gas scrubbers
- Photographic handling
- Marine parts
- Seals and other components for the oil and gas industry
* Technical data included herein should be used as a guideline only, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice.
You Want It? We Got It!
Alfa Chemistry is a manufacturer of standard & custom specialty metals & alloys. We stock a wide variety of alloys in different shapes and specifications. If you can't find the product or specification you need, please contact us directly.
Contact Us