AISI 8740 Steel, oil quenched 830°C (1525°F), 650°C (1200°F) temper, 100 mm (4 in.) round

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AISI 8740 Steel, oil quenched 830°C (1525°F), 650°C (1200°F) temper, 100 mm (4 in.) round
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 8000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel
Material Notes:	Post oil quenched hardness 42 HRC surface, 37 HRC half-radius, 36 HRC center
Key Words:	DIN 1.6546, UNI 40 NiCrMo 2 KB, B.S. Type 7, ASTM A331, ASTM A505, ASTM A519, MIL-SPEC MIL-S-6049, SAE J404, SAE J412, SAE J770, UNS G87400, AMS 6322, AMS 6323, AMS 6325, AMS 6327, AMS 6358, ASTM A322
Vendors:

Available Properties

Density
Hardness, Brinell
Hardness, Knoop, Converted from Brinell
Hardness, Rockwell B, Converted from Brinell
Hardness, Rockwell C, Converted from Brinell hardness. Value below normal HRC range, for comparison only.
Hardness, Vickers, Converted from Brinell
Tensile Strength, Ultimate
Tensile Strength, Yield
Elongation at Break, in 50 mm
Modulus of Elasticity, Typical for steel
Bulk Modulus, Typical for steel.
Poissons Ratio, Calculated
Machinability, annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus, Typical for steel
Electrical Resistivity, Typical steel
Specific Heat Capacity, Typical steel
Thermal Conductivity, Typical steel
Carbon, C
Chromium, Cr
Iron, Fe, As remainder
Manganese, Mn
Molybdenum, Mo
Nickel, Ni
Phosphorus, P
Silicon, Si
Sulfur, S

Property Data

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