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45CrH

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40CrH 40MnBH
#45CrH

Description

China GBT 45CrH China structural steel and alloy steel and 45CrH Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

Chemical composition(mass fraction)(wt.%) of the 45CrH

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Ti(%) Other(%)
0.42-0.49 0.17-0.37 0.50-0.85 0.035 0.035 0.70-1.10 — — —

Mechanical Properties of steel grade 45CrH

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)
611 (≥) 127 (≥) 31 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade 45CrH

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 - -     0.12 -  
372 673 - 42.3 132   -  
732 - 42 21.2   144 141

Heat Treatment of steel grade 45CrH

Heat treated : 1484°C - 1726°C

Technological Curves of steel grade 45CrH

Cross Reference Table (Equivalent Grade) of 45CrH

Grade Standard Country Application
45CrH GBT China China structural steel and alloy steel
40CrH 40MnBH
Available Suppliers
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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