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Description

China CNS SCr445 China Taiwan Structural steel and SCr445 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SCr445
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SCr445 CNS China China Taiwan Structural steel
SMn433
SMn438
SMn443
SMnC420
SMnC443
SCr415
SCr420
SCr430
SCr435
SCr440

Chemical composition(mass fraction)(wt.%) of the SCr445

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.43-0.48 0.15-0.35 0.60-0.85 0.030 0.030 0.90-1.20 0.25 0.30

Mechanical Properties of steel grade SCr445

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)
238 (≥) 682 (≥) 24 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade SCr445

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 - -     0.41 -  
845 718 - 34.3 341   -  
357 - 11 31.2   321 331

Heat Treatment of steel grade SCr445

Heat treated : 1456°C - 1626°C

Technological Curves of steel grade SCr445

Cross Reference Table (Equivalent Grade) of SCr445

Grade Standard Country Application
SCr445 CNS China China Taiwan Structural steel

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