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ML40Cr

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ML37Cr ML30CrMo
#ML40Cr

Description

China GBT ML40Cr China structural steel and alloy steel and ML40Cr Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML40Cr
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML40Cr GBT China China structural steel and alloy steel
ML25
ML30
ML35
ML40
ML45
ML15Mn
ML25Mn
ML30Mn
ML35Mn
ML37Cr

Chemical composition(mass fraction)(wt.%) of the ML40Cr

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Al(%)
0.38-0.45 Max 0.30 0.60-0.90 0.035 0.035 0.90-1.20 — —

Mechanical Properties of steel grade ML40Cr

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)
872 (≥) 885 (≥) 32 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade ML40Cr

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 -  
283 388 - 34.3 314   -  
754 - 13 11.2   312 222

Heat Treatment of steel grade ML40Cr

Heat treated : 1547°C - 1994°C

Technological Curves of steel grade ML40Cr

Cross Reference Table (Equivalent Grade) of ML40Cr

Grade Standard Country Application
ML40Cr GBT China China structural steel and alloy steel
ML40CrMoA GBT China China structural steel and alloy steel
ML37Cr ML30CrMo
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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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