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21CrMoV5-7

Favorite Datasheet
NiCr20TiAl 40CrMo5-6
#21CrMoV5-7

Description

International ISO ISO/TR 4956, 21CrMoV5-7 Specialsteel Wrought steels for use at elevated temperatures in engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 21CrMoV5-7
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 21CrMoV5-7 Bainite ISO International Wrought steels for use at elevated temperatures in engines

Chemical composition(mass fraction)(wt.%) of the 21CrMoV5-7

C Si Mn P S Cr Mo Ni V
0.17 -0.25 ≤0.04 0.40 -0.80 ≤0.030 ≤0.030 1.20 -1.50 0.65 -0.80 ≤0.60 0.25 -0.35

Mechanical Properties of steel grade 21CrMoV5-7

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)
277 (≥) 219 (≥) 44 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade 21CrMoV5-7

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
42 - -     0.14 -  
938 272 - 11.3 241   -  
974 - 24 24.2   223 413

Heat Treatment of steel grade 21CrMoV5-7

Heat treated : 1532°C - 1256°C

Technological Curves of steel grade 21CrMoV5-7

Cross Reference Table (Equivalent Grade) of 21CrMoV5-7

Grade Standard Country Application
21CrMoV5-7

Relevant standard of 21CrMoV5-7

ISO/TR 4956 Wrought steels for use at elevated temperatures in engines ISO-TR-4956.pdf
NiCr20TiAl 40CrMo5-6
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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