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ML25

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ML20 ML30
#ML25

Description

China GBT ML25 China structural steel and alloy steel and ML25 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML25
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML25 GBT China China structural steel and alloy steel
A71204
A71354
A20378
A74204
A73154
A73204
ML10
ML15
ML18
ML20

Chemical composition(mass fraction)(wt.%) of the ML25

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.22-0.30 Max 0.20 Max 0.60 0.035 0.035 Max 0.20 — — 0.2

Mechanical Properties of steel grade ML25

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)
387 (≥) 142 (≥) 23 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade ML25

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 - -     0.14 -  
894 252 - 12.3 413   -  
735 - 34 31.2   243 144

Heat Treatment of steel grade ML25

Heat treated : 1579°C - 1926°C

Technological Curves of steel grade ML25

Cross Reference Table (Equivalent Grade) of ML25

Grade Standard Country Application
ML25 GBT China China structural steel and alloy steel
ML25Mn GBT China China structural steel and alloy steel
ML25 GBT China China structural steel and alloy steel
ML20 ML30
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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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