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40CrH

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20CrH 45CrH
#40CrH

Description

China GBT 40CrH China structural steel and alloy steel and 40CrH Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 40CrH
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 40CrH GBT China China structural steel and alloy steel
45CrNiMoVA
18Cr2Ni4WA
25Cr2Ni4WA
38CrA
30CrMnMoTiA
30CrNi2MoVA
30SiMn2MoVA
30CrMnSiNi2A
45H
20CrH

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Ti(%) Other(%)
0.37-0.44 0.17-0.37 0.50-0.85 0.035 0.035 0.70-1.10 — — —

Mechanical Properties of steel grade 40CrH

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)
667 (≥) 269 (≥) 33 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade 40CrH

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
34 - -     0.44 -  
553 945 - 41.3 241   -  
978 - 11 33.2   234 143

Heat Treatment of steel grade 40CrH

Heat treated : 1272°C - 1192°C

Technological Curves of steel grade 40CrH

Cross Reference Table (Equivalent Grade) of 40CrH

Grade Standard Country Application
40CrH GBT China China structural steel and alloy steel
20CrH 45CrH
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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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