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ML20Al

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ML15 ML20
#ML20Al

Description

China GBT ML20Al China structural steel and alloy steel and ML20Al Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML20Al
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML20Al GBT China China structural steel and alloy steel
Y40Mn
Y45Ca
SC1
SC2
SC3
ML04Al
ML08Al
ML10Al
ML15Al
ML15

Chemical composition(mass fraction)(wt.%) of the ML20Al

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Al(%)
0.18-0.23 Max 0.10 0.30-0.60 0.035 0.035 — — 0.02

Mechanical Properties of steel grade ML20Al

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)
326 (≥) 288 (≥) 24 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade ML20Al

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
21 - -     0.22 -  
837 555 - 14.3 211   -  
474 - 24 31.2   323 221

Heat Treatment of steel grade ML20Al

Heat treated : 1224°C - 1372°C

Technological Curves of steel grade ML20Al

Cross Reference Table (Equivalent Grade) of ML20Al

Grade Standard Country Application
ML20Al GBT China China structural steel and alloy steel
ML15 ML20
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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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