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Description

China GBT ML35B China structural steel and alloy steel and ML35B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML35B
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML35B GBT China China structural steel and alloy steel
ML25Mn
ML30Mn
ML35Mn
ML37Cr
ML40Cr
ML30CrMo
ML35CrMo
ML42CrMo
ML20B
ML28B

Chemical composition(mass fraction)(wt.%) of the ML35B

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) B(%) Al(%)
0.32-0.39 Max 0.40 0.50-0.80 0.035 0.035 0.0005-0.0035 0.02

Mechanical Properties of steel grade ML35B

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)
999 (≥) 663 (≥) 32 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade ML35B

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
11 - -     0.11 -  
591 131 - 14.3 431   -  
953 - 11 21.2   442 241

Heat Treatment of steel grade ML35B

Heat treated : 1989°C - 1957°C

Technological Curves of steel grade ML35B

Cross Reference Table (Equivalent Grade) of ML35B

Grade Standard Country Application
ML35B GBT China China structural steel and alloy steel

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