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SCr440

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SCr435 SCr445
#SCr440

Description

China CNS SCr440 China Taiwan Structural steel and SCr440 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SCr440
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SCr440 CNS China China Taiwan Structural steel
SMn420
SMn433
SMn438
SMn443
SMnC420
SMnC443
SCr415
SCr420
SCr430
SCr435

Chemical composition(mass fraction)(wt.%) of the SCr440

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.38-0.43 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 SCr440

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)
267 (≥) 469 (≥) 33 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade SCr440

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 - -     0.14 -  
571 581 - 13.3 321   -  
834 - 41 42.2   214 112

Heat Treatment of steel grade SCr440

Heat treated : 1578°C - 1811°C

Technological Curves of steel grade SCr440

Cross Reference Table (Equivalent Grade) of SCr440

Grade Standard Country Application
SCr440H CNS China China Taiwan Structural steel
SCr440 CNS China China Taiwan Structural steel
SCr435 SCr445
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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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