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ML30Mn

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ML25Mn ML35Mn
#ML30Mn

Description

China GBT ML30Mn China structural steel and alloy steel and ML30Mn Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML30Mn
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML30Mn GBT China China structural steel and alloy steel
ML18Mn
ML22Mn
ML20Cr
ML25
ML30
ML35
ML40
ML45
ML15Mn
ML25Mn

Chemical composition(mass fraction)(wt.%) of the ML30Mn

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Al(%)
0.27-0.34 Max 0.25 0.60-0.90 0.035 0.035 — — —

Mechanical Properties of steel grade ML30Mn

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)
148 (≥) 742 (≥) 23 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade ML30Mn

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
44 - -     0.43 -  
615 563 - 41.3 333   -  
697 - 23 42.2   142 233

Heat Treatment of steel grade ML30Mn

Heat treated : 1112°C - 1167°C

Technological Curves of steel grade ML30Mn

Cross Reference Table (Equivalent Grade) of ML30Mn

Grade Standard Country Application
ML30Mn GBT China China structural steel and alloy steel
ML25Mn ML35Mn
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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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