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SNC631

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SNC415 SNC815
#SNC631

Description

China CNS SNC631 China Taiwan Structural steel and SNC631 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SNC631
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SNC631 CNS China China Taiwan Structural steel
SMnC420
SMnC443
SCr415
SCr420
SCr430
SCr435
SCr440
SCr445
SNC236
SNC415

Chemical composition(mass fraction)(wt.%) of the SNC631

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.27-0.35 0.15-0.35 0.35-0.65 0.030 0.030 0.60-1.00 2.50-3.00 0.30

Mechanical Properties of steel grade SNC631

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)
581 (≥) 864 (≥) 34 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade SNC631

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
22 - -     0.43 -  
228 329 - 12.3 142   -  
163 - 31 22.2   424 112

Heat Treatment of steel grade SNC631

Heat treated : 1113°C - 1842°C

Technological Curves of steel grade SNC631

Cross Reference Table (Equivalent Grade) of SNC631

Grade Standard Country Application
SNC631H CNS China China Taiwan Structural steel
SNC631 CNS China China Taiwan Structural steel
SNC415 SNC815
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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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