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ML25Mn

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ML15Mn ML30Mn
#ML25Mn

Description

China GBT ML25Mn China structural steel and alloy steel and ML25Mn Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML25Mn
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML25Mn GBT China China structural steel and alloy steel
ML20
ML18Mn
ML22Mn
ML20Cr
ML25
ML30
ML35
ML40
ML45
ML15Mn

Chemical composition(mass fraction)(wt.%) of the ML25Mn

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Al(%)
0.22-0.29 Max 0.25 0.60-0.90 0.035 0.035 — — —

Mechanical Properties of steel grade ML25Mn

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)
432 (≥) 618 (≥) 32 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade ML25Mn

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 - -     0.23 -  
343 719 - 31.3 313   -  
734 - 42 34.2   432 314

Heat Treatment of steel grade ML25Mn

Heat treated : 1856°C - 1823°C

Technological Curves of steel grade ML25Mn

Cross Reference Table (Equivalent Grade) of ML25Mn

Grade Standard Country Application
ML25Mn GBT China China structural steel and alloy steel
ML15Mn ML30Mn
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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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