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ML45

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ML40 ML20MnA
#ML45

Description

China GBT ML45 China structural steel and alloy steel and ML45 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML45
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML45 GBT China China structural steel and alloy steel
A73154
A73204
ML10
ML15
ML18
ML20
ML25
ML30
ML35
ML40

Chemical composition(mass fraction)(wt.%) of the ML45

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.42-0.50 Max 0.20 Max 0.60 0.035 0.035 Max 0.20 — — 0.2

Mechanical Properties of steel grade ML45

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)
987 (≥) 617 (≥) 21 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade ML45

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
23 - -     0.12 -  
859 139 - 44.3 314   -  
218 - 41 21.2   341 122

Heat Treatment of steel grade ML45

Heat treated : 1155°C - 1223°C

Technological Curves of steel grade ML45

Cross Reference Table (Equivalent Grade) of ML45

Grade Standard Country Application
ML45 GBT China China structural steel and alloy steel
ML45 GBT China China structural steel and alloy steel
ML40 ML20MnA
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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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