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ML20MnA

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ML45 ML30CrMnSiA
#ML20MnA

Description

China GBT ML20MnA China structural steel and alloy steel and ML20MnA Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML20MnA
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML20MnA GBT China China structural steel and alloy steel
A73204
ML10
ML15
ML18
ML20
ML25
ML30
ML35
ML40
ML45

Chemical composition(mass fraction)(wt.%) of the ML20MnA

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.18-0.26 0.17-0.37 1.30-1.60 0.03 0.035 Max 0.20 Max 0.30 — 0.2

Mechanical Properties of steel grade ML20MnA

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)
875 (≥) 332 (≥) 32 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade ML20MnA

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
32 - -     0.32 -  
411 515 - 43.3 412   -  
314 - 34 21.2   214 241

Heat Treatment of steel grade ML20MnA

Heat treated : 1856°C - 1279°C

Technological Curves of steel grade ML20MnA

Cross Reference Table (Equivalent Grade) of ML20MnA

Grade Standard Country Application
ML20MnA GBT China China structural steel and alloy steel
ML45 ML30CrMnSiA
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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