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ML40CrMoA

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ML38CrA GB 65
#ML40CrMoA

Description

China GBT ML40CrMoA China structural steel and alloy steel and ML40CrMoA Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML40CrMoA
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML40CrMoA GBT China China structural steel and alloy steel
ML40
ML45
ML20MnA
ML30CrMnSiA
ML16CrSiNi
ML20CrMoA
ML30CrMoA
ML35CrMoA
ML42CrMoA
ML38CrA

Chemical composition(mass fraction)(wt.%) of the ML40CrMoA

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.36-0.44 0.17-0.37 0.50-0.80 0.03 0.03 0.60-0.90 1.25-1.75 0.15-0.25 0.2

Mechanical Properties of steel grade ML40CrMoA

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)
954 (≥) 456 (≥) 23 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade ML40CrMoA

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
44 - -     0.31 -  
587 666 - 22.3 132   -  
746 - 42 42.2   411 441

Heat Treatment of steel grade ML40CrMoA

Heat treated : 1979°C - 1391°C

Technological Curves of steel grade ML40CrMoA

Cross Reference Table (Equivalent Grade) of ML40CrMoA

Grade Standard Country Application
ML40CrMoA GBT China China structural steel and alloy steel
ML38CrA GB 65
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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