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SM400B

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SM400A SM400C
#SM400B

Description

China CNS SM400B China Taiwan Structural steel and SM400B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SM400B
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SM400B CNS China China Taiwan Structural steel
SUJ1
SUJ2
SUJ3
SUJ4
SUJ5
SS34
SS400
SS490
SS540
SM400A

Chemical composition(mass fraction)(wt.%) of the SM400B

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.20 Max 0.35 0.60-1.40 0.035 0.035

Mechanical Properties of steel grade SM400B

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)
778 (≥) 393 (≥) 13 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade SM400B

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
14 - -     0.13 -  
217 119 - 42.3 243   -  
471 - 32 41.2   434 331

Heat Treatment of steel grade SM400B

Heat treated : 1281°C - 1477°C

Technological Curves of steel grade SM400B

Cross Reference Table (Equivalent Grade) of SM400B

Grade Standard Country Application
SM400B CNS China China Taiwan Structural steel
SM400A SM400C
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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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