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40CrMo5-6

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21CrMoV5-7 40CrMoV4-6
#40CrMo5-6

Description

International ISO ISO/TR 4956, 40CrMo5-6 Specialsteel Wrought steels for use at elevated temperatures in engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 40CrMo5-6
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 40CrMo5-6 Bainite ISO International Wrought steels for use at elevated temperatures in engines

Chemical composition(mass fraction)(wt.%) of the 40CrMo5-6

C Si Mn P S Cr Mo Ni
0.35 -0.45 0.15 -0.40 0.40 -0.70 ≤0.035 ≤0.035 1.00 -1.50 0.50 -0.80 ≤ ≥

Mechanical Properties of steel grade 40CrMo5-6

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
866 (≥) 316 (≥) 11 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade 40CrMo5-6

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
11 - -     0.34 -  
275 448 - 41.3 341   -  
212 - 31 21.2   223 132

Heat Treatment of steel grade 40CrMo5-6

Heat treated : 1825°C - 1138°C

Technological Curves of steel grade 40CrMo5-6

Relevant standard of 40CrMo5-6

ISO/TR 4956 Wrought steels for use at elevated temperatures in engines ISO-TR-4956.pdf
21CrMoV5-7 40CrMoV4-6
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Jiangyou Longhai Special Steel Co.,Ltd.

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