AISI 4140 Steel, normalized at 870°C (1600°F), reheated to 845°C (1550°F), oil quenched, 315°C (600°F) temper, 25 mm (1 in.) round

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AISI 4140 Steel, normalized at 870°C (1600°F), reheated to 845°C (1550°F), oil quenched, 315°C (600°F) temper, 25 mm (1 in.) round
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel
Material Notes:	Sample normalized at 870°C, reheated to 845°C (1550°F), oil quenched, and tempered at 315°C. As quenched hardness after oil quenching: Surface - 55 HRC, 1/2 radius - 55 HRC; Center - 50 HRC
Key Words:	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, JIS SCM440, 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
Vendors:

Available Properties

Density
Hardness, Brinell
Hardness, Knoop, Converted from Brinell
Hardness, Rockwell C, Converted from Brinell
Hardness, Vickers, Converted from Brinell
Tensile Strength, Ultimate
Tensile Strength, Yield
Elongation at Break
Reduction of Area
Modulus of Elasticity, Typical for steel
Bulk Modulus, Typical for steels.
Poissons Ratio, Calculated
Machinability, Based on AISI 1212 as 100% machinability.
Shear Modulus, Typical for steels.
Izod Impact
Electrical Resistivity, specimen hardened and tempered
Electrical Resistivity, specimen hardened and tempered
Electrical Resistivity, specimen hardened and tempered
Electrical Resistivity, specimen hardened and tempered
Electrical Resistivity, specimen hardened and tempered
CTE, linear
CTE, linear
CTE, linear
Specific Heat Capacity
Specific Heat Capacity
Specific Heat Capacity
Thermal Conductivity
Carbon, C
Chromium, Cr
Iron, Fe, As remainder
Manganese, Mn
Molybdenum, Mo
Phosphorus, P
Silicon, Si
Sulfur, S

Property Data

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