AISI 4140 Steel, annealed at 815°C (1500°F) furnace cooled 11°C (20°F)/hour to 665°C (1230°F), air cooled, 25 mm (1 in.) round
Subcategory: Low Alloy Steel; AISI 4000 Series Steel; Medium Carbon Steel; Metal
Close Analogs: AISI 4140H
Key Words: AFNOR 40 CD 4, AFNOR 42 CD 4 (France), ASTM A322, ASTM A331, ASTM A505, ASTM A519, ASTM A646, B.S. 708 A 42 (UK), B.S. 708 M 40 (UK), B.S. 709 M 40 (UK), JIS SCM 4 H, JIS SCM 4, SS14 2244 (Sweden), MIL SPEC MIL-S-16974, SAE J404, SAE J412, SAE J770, DIN 1.7225, UNS G41400, AMS 6381, AMS 6382, AMS 6390, AMS 6395, IS 1570 40Cr1Mo28, IS 4367 40Cr1Mo28, IS 5517 40Cr1Mo28
Material Notes: Medium-carbon steel with high hardenability and good fatigue, abrasion and impact resistance.
Available Properties |
- Density
- Hardness, Brinell
- Hardness, Knoop
- Hardness, Rockwell B
- Hardness, Rockwell C
- Hardness, Vickers
- Tensile Strength, Ultimate
- Tensile Strength, Yield
- Elongation at Break
- Reduction of Area
- Modulus of Elasticity
- Bulk Modulus
- Poissons Ratio
- Machinability
- Shear Modulus
- Electrical Resistivity
- Electrical Resistivity at Elevated Temperature
- CTE, linear 20°C
- CTE, linear 250°C
- CTE, linear 500°C
- Specific Heat Capacity at Elevated Temperature
- Thermal Conductivity
- Thermal Conductivity at Elevated Temperature
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Property Data |
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