310 stainless steel data sheet
Apr 03, 2025
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The following is a data sheet about 310 stainless steel (including the low carbon version 310S), covering key information such as chemical composition, physical properties, mechanical properties and application areas:
310 stainless steel Chemical Composition
| Element | 310 (UNS S31000) | 310S (UNS S31008) |
|---|---|---|
| Carbon (C) | ≤0.25% | ≤0.08% |
| Chromium (Cr) | 24-26% | 24-26% |
| Nickel (Ni) | 19-22% | 19-22% |
| Manganese (Mn) | ≤2.00% | ≤2.00% |
| Silicon (Si) | ≤1.50% | ≤1.50% |
| Phosphorus (P) | ≤0.045% | ≤0.045% |
| Sulfur (S) | ≤0.030% | ≤0.030% |
| Iron (Fe) | Balance | Balance |
310 stainless steel Physical Properties
| Property | Value | Unit |
|---|---|---|
| Density | 8.00 | g/cm³ |
| Melting Point | 1400-1455 | °C |
| Thermal Conductivity | 14.2 | W/(m·K) |
| Coefficient of Thermal Expansion | 15.9 (0-100°C) | µm/(m·°C) |
| Electrical Resistivity | 0.78 | µΩ·m |
| Magnetic Permeability | 1.008 (at RT) | - |
310 stainless steel Mechanical Properties (Annealed)
| Property | 310 | 310S | Unit |
|---|---|---|---|
| Tensile Strength | ≥520 | ≥520 | MPa |
| Yield Strength (0.2%) | ≥205 | ≥205 | MPa |
| Elongation | ≥40% | ≥40% | % |
| Hardness (HB) | ≤225 | ≤225 | - |
| Impact Toughness (Izod) | 120 | - | J |
310 stainless steel High-Temperature Performance
| Application | Max Temperature | Condition |
|---|---|---|
| Continuous Service | 1150°C | Oxidation-resistant |
| Intermittent Service | 1035°C | Short-term |
| Creep Strength (1000°C) | 20 MPa | Long-term load |
310 stainless steel Applications
Industrial Equipment: Furnace tubes, radiant tubes, incinerator liners, heat treatment fixtures.
Energy: Nuclear components, coal-fired boiler flue gas systems.
Chemical/Petrochemical: Pyrolysis furnaces, sulfur-containing reactors.
Aerospace: Combustion chambers, cryogenic structures.
310 stainless steel Standards & Specifications
ASTM: A240 (plates), A213 (seamless tubes), A312 (welded pipes).
EN: 1.4845 (310), 1.4848 (310S).
ASME: BPVC Section VIII (pressure vessels).
310 stainless steel Technical Notes
Welding: Use ER310 filler metal; post-weld solution annealing recommended.
Heat Treatment: Solution anneal at 1040-1065°C, water-quenched.
Corrosion Resistance: Susceptible to pitting in chloride environments; no molybdenum addition.
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