Ovako 42CrMo4 L7 ASTM A320 (6137) Steel, Quench & Tempering

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Ovako 42CrMo4 L7 ASTM A320 (6137) Steel, Quench & Tempering
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel
Material Notes:	General Information: 42CrMo4 is a steel for quenching and tempering, which has a good combination of strength and toughness in the quenched and tempered condition. After the oil quenching, the steel will be through hardened up to ø60 mm bar diameter. The microstructure of larger dimensions is not fully martensite. The steel is applicable to induction hardening. The surface hardness will exceed min. 53 HRC. 42CrMo4 can be delivered M-treated in order to optimize the machinability. Variant 6082 is offered under the name MoC410M Variant 6137 conform with L7 ASTM A320 Variant SB9288 is offered under the name SB42CrMo4 Variant SB9287 with a slightly increased hardenability, is offered under the name SB42CrMo4. Variant 327S is a continuous casted variant with slightly increased hardenability, similar to the ingot casted variant 327A Variant 327A is an ingot casted variant with slightly increased hardenability.Variant 326C is a BQ-steel variant which fulfils SAE 4140 standard but has a restricted sulphur content for improved cleanliness and a lower maximum allowed phosphorus content for improved mechanical properties BQ-SteelBQ-steel® is a bearing quality clean steel optimized for fatigue strength and is also ideal for new design solutions outside the bearing industry. Information provided by Ovako
Key Words:	AISI 4140, 42CD4(AFNOR), 708M40(B.S.), SS 2244, SS142244, SAE 4140H, ASTM A193 B7, 41Cr4, 42CrMoS4
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Available Properties

Density
Hardness, Brinell, Round bar
Tensile Strength, Round bar
Tensile Strength, Yield, Round bar
Elongation at Break, Round bar
Reduction of Area, Round bar
Modulus of Elasticity
Poissons Ratio
Shear Modulus
Impact Test, Round bar, long
Electrical Resistivity
CTE, linear
Specific Heat Capacity
Thermal Conductivity, Ambient temperature
Transformation Temperature, MS
Transformation Temperature, AC1
Transformation Temperature, AC3
Carbon, C
Chromium, Cr
Iron, Fe, As Balance
Manganese, Mn
Molybdenum, Mo
Phosphorus, P
Silicon, Si
Sulfur, S

Property Data

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