310S Stainless Steel U Channel SS 310S Channel Bar ASTM A276 Pickled Polish
AISI 310 Stainless Steel (UNS S31000)
AISI 310 stainless steel is a high chromium nickel austenitic stainless steel with a high carbon content. It has excellent mechanical properties, high temperature oxidation resistance and heat resistance.
Type 310S is a low carbon version of SS 310, 310H is to obtain the best creep strength and creep rupture strength. 310Cb is added with niobium to maximize the stability of carbides, prevent sensitization, and improve weldability and high temperature creep strength.
310 Stainless Steel Properties
The following tables give AISI 310 stainless steel properties and specifications (datasheet) including chemical composition, physical and mechanical properties, heat treatment, corrosion resistance, machinability and machining, welding, etc.
Chemical Composition
Type 310 grade stainless steel chemical composition is listed in the following table.
| Type 310 Stainless Steel Chemical Composition, % |
| ASTM Standard | AISI (UNS) | C, ≤ | Si, ≤ | Mn, ≤ | P, ≤ | S, ≤ | Cr | Ni | Other Elements |
ASTM A240/A240M;
ASTM A276/A276M;
ASTM A314;
ASTM A167;
ASTM A479/A479M
ASTM A580/A580M;
ASTM A473;
ASTM A959
SAE J405; | 310 (UNS S31000) | 0.25 | 1.50 | 2.00 | 0.045 | 0.03 | 24.0-26.0 | 19.0-22.0 | – |
| 310S (UNS S31008) | 0.08 | 1.50 | 2.00 | 0.045 | 0.03 | 24.0-26.0 | 19.0-22.0 | – |
| 310H (UNS S31009) | 0.04-0.10 | 0.75 (1.00) | 2.00 | 0.045 | 0.03 | 24.0-26.0 | 19.0-22.0 | – |
| 310Cb (UNS S31040) | 0.08 | 1.5 | 2.00 | 0.045 | 0.03 | 24.0-26.0 | 19.0-22.0 | Nb, 10×C-1.10 |
| 310HCb (UNS S31041) | 0.04-0.10 | 0.75 | 2.00 | 0.045 | 0.03 | 24.0-26.0 | 19.0-22.0 | Nb, 10×C-1.10 |
Physical Properties
Type 310 grade stainless steel physical properties are listed in the table below such as density, melting point, specific heat, electrical resistivity, elastic modulus (modulus of elasticity), thermal conductivity, and coefficient of thermal expansion (CTE).
Notes:
- 10-6·K-1 = 10-6/K
- 1 Ω·mm²/m = 1 μΩ·m
- 1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
- 1 GPa = 1 kN/mm2
- 1 MPa = 1 N/mm2
| Type 310 Physical Properties |
| Density, g/cm3 (lb/in3) | 8.0 (0.29) |
| Melting point, °C (°F) | 1400-1450 (2550-2650) |
| Specific heat capacity, J/kg·K (Btu/lb ·°F) | 500 (0.12) at 20 °C (68 °F) |
| Electrical resistivity, μΩ·m | 0.78 at 20 °C (68 °F) |
| Magnetic permeability | 1.02 (Approximate) |
| Elastic modulus (Modulus of Elasticity), Gpa (106 psi) | 200 (29.0) |
| Thermal conductivity, W/m·K (Btu/ft · h ·°F) | 14.2 (8.2) at 100 °C (212 °F) |
| 18.7 (10.8) at 500 °C (932 °F) |
| Coefficient of thermal expansion (CTE), 10-6/K (μin./in. ·°F) | 15.9 (8.8) at 0-100 ℃ (32-212 °F) |
| 16.2 (9.0) at 0-315 ℃ (32-600 °F) |
| 17.0 (9.4) at 0-538 ℃ (32-1000 °F) |
AISI 310 Grade Stainless Steel Mechanical Properties
AISI 310 stainless steel mechanical properties are given in the datasheet below including tensile strength, yield strength, elongation, reduction in area, Brinell and Rockwell hardness, etc.
| ASTM A240 Type 310 Mechanical Properties |
| ASTM | AISI (UNS) | Tensile Strength, Mpa (ksi), ≥ | 0.2% Yield Strength, Mpa (ksi), ≥ | Elongation in 2 in. (50 mm), %, ≥ | Brinell Hardness, HB, ≤ | Rockwell Hardness, HRB, ≤ |
| ASTM A240/A240M | 310S, 310H, 310Cb, 310HCb | 515 (75) | 205 (30) | 40 | 217 | 95 |
| ASTM A276 Type 310 Mechanical Properties |
| ASTM | AISI | Tensile Strength, Mpa (ksi), ≥ | 0.2% Yield Strength, Mpa (ksi), ≥ | Elongation in 2 in. (50 mm), %, ≥ | Reduction of Area, %, ≥ | Conditions |
| ASTM A276/A276M | 310, 310S, 310Cb | 515 (75) | 205 (30) | 40 | 50 | Annealed, Hot finished, All dia. |
| 620 (90) | 310 (45) | 30 | 40 | Annealed, Cold finished, Dia ≤ 1/2 in (12.7mm) |
| 515 (75) | 205 (30) | 30 | 40 | Annealed, Cold finished, Dia > 1/2 in (12.7mm) |
| ASTM A473 Type 310 Mechanical Properties |
| ASTM | AISI (UNS) | Tensile Strength, Mpa (ksi), ≥ | 0.2% Yield Strength, Mpa (ksi), ≥ | Elongation in 2 in. (50 mm), %, ≥ | Reduction of Area, %, ≥ | Conditions |
| ASTM A473/A473M | 310, 310S | 515 (75) | 205 (30) | 40 | 50 | Annealed |
| ASTM A479 Type 310 Mechanical Properties |
| ASTM | AISI (UNS) | Tensile Strength, Mpa (ksi), ≥ | 0.2% Yield Strength, Mpa (ksi), ≥ | Elongation in 2 in. (50 mm), %, ≥ | Reduction of Area, %, ≥ | Conditions |
| ASTM A479/A479M | 310S, 310H, 310Cb,
302, 304, 304H, 304LN, ER308, E309S, 309H, 309Cb,
316, 316H, 316Ti, 316Cb, 316LN,
317, 321, 321H, 347, 347H,
348, 348H | 515 (75) | 205 (30) | 30 | 40 | Annealed |
| ASTM A580 Type 310 Mechanical Properties |
| ASTM | AISI (UNS) | Tensile Strength, Mpa (ksi), ≥ | 0.2% Yield Strength, Mpa (ksi), ≥ | Elongation in 2 in. (50 mm), %, ≥ | Reduction of Area, %, ≥ | Conditions |
| ASTM A580/A580M | 310, 310S, 302, 302B, 304, 305, 308, 309, 309S, 309Cb, 314, 316, 317, 321, 347, 348 | 620 (90) | 310 (45) | 30 | 40 | Annealed, cold finished |
| 515 (75) | 205 (30) | 35 | 50 | Annealed |
Type 310 Stainless Steel Heat Resistance
| Maximum service temperatures in air |
| AISI type | Intermittent service | Continuous service |
| 310 | 1035 °C (1895 °F) | 1150 °C (2100 °F) |
AISI 310 Stainless Steel Heat Treatment
The following contents give AISI 310 grade stainless steel heat treatment temperature of including annealing, forging, etc.
- Recommended annealing temperature for 310 & 310S wrought stainless steel: 1040 °C (1900 °F).
- Typical forging temperature range: 980-1175 °C (1800-2145 °F)
Applications
Type 310 stainless steel is used in various industrial furnaces, steam boilers and petroleum system parts and thermocouple protection tubes. Examples include fire box sheets, furnace linings, boiler baffles, thermocouple wells, aircraft cabin heaters, and jet engine burner liners.
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