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SN400C

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SN400B SN490B
#SN400C

Description

China CNS SN400C China Taiwan Structural steel and SN400C Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SN400C
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SN400C CNS China China Taiwan Structural steel
SMA490CW
SMA490AP
SMA490BP
SMA490CP
SMA570W
SMA570P
SPA-H
SPA-C
SN400A
SN400B

Chemical composition(mass fraction)(wt.%) of the SN400C

C(％) Si(％) Mn(％) P(％) S(％) Other(%)
0.20 0.35 0.60-1.40 0.02 0.008 CE Max 0.36

Mechanical Properties of steel grade SN400C

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)
384 (≥) 354 (≥) 42 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade SN400C

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
43 - -     0.22 -  
781 219 - 33.3 142   -  
766 - 34 22.2   331 231

Heat Treatment of steel grade SN400C

Heat treated : 1658°C - 1225°C

Technological Curves of steel grade SN400C

Cross Reference Table (Equivalent Grade) of SN400C

Grade Standard Country Application
SN400C CNS China China Taiwan Structural steel
SN400B SN490B
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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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