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ML30CrMnSiA

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ML20MnA ML16CrSiNi
#ML30CrMnSiA

Description

China GBT ML30CrMnSiA China structural steel and alloy steel and ML30CrMnSiA Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML30CrMnSiA
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML30CrMnSiA GBT China China structural steel and alloy steel
ML10
ML15
ML18
ML20
ML25
ML30
ML35
ML40
ML45
ML20MnA

Chemical composition(mass fraction)(wt.%) of the ML30CrMnSiA

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.28-0.35 0.90-1.20 0.80-1.10 0.03 0.03 0.80-1.10 Max 0.40 — 0.2

Mechanical Properties of steel grade ML30CrMnSiA

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)
179 (≥) 133 (≥) 41 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade ML30CrMnSiA

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
12 - -     0.34 -  
291 791 - 43.3 124   -  
723 - 43 13.2   331 412

Heat Treatment of steel grade ML30CrMnSiA

Heat treated : 1778°C - 1687°C

Technological Curves of steel grade ML30CrMnSiA

Cross Reference Table (Equivalent Grade) of ML30CrMnSiA

Grade Standard Country Application
ML30CrMnSiA GBT China China structural steel and alloy steel
ML20MnA ML16CrSiNi
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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