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40CrMnMo7

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34CrNiMo6 55NiCrMoV7
#40CrMnMo7

Description

Spain UNE 40CrMnMo7 Spain structural alloy steel and 40CrMnMo7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 40CrMnMo7
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 40CrMnMo7 UNE Spain Spain structural alloy steel
30CrMoV12
320rMnCoV12
35NiCrMo16
45NiCrMoV16
55NiCrMoV7
X37CrMoSiV5
X40CrMoSiV5
30CrMoV12
320rMoCoV12
34CrNiMo6

Chemical composition(mass fraction)(wt.%) of the 40CrMnMo7

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.35-0.45 0.20-0.40 1.30-1.60 0.030 0.020 1.80-2.10 0.15-0.25

Mechanical Properties of steel grade 40CrMnMo7

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)
542 (≥) 639 (≥) 14 32 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade 40CrMnMo7

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
43 - -     0.31 -  
684 533 - 21.3 243   -  
188 - 12 11.2   411 433

Heat Treatment of steel grade 40CrMnMo7

Heat treated : 1273°C - 1314°C

Technological Curves of steel grade 40CrMnMo7

Cross Reference Table (Equivalent Grade) of 40CrMnMo7

Grade Standard Country Application
40CrMnMo7 DIN Germany Cold working alloy tool steel
40CrMnMo7 UNE Spain Spain structural alloy steel
34CrNiMo6 55NiCrMoV7
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Jiangyou Longhai Special Steel Co.,Ltd.
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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