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SCM440

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SCM435 SCM445
#SCM440

Description

China CNS SCM440 China Taiwan Structural steel and SCM440 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SCM440
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SCM440 CNS China China Taiwan Structural steel
SNCM625
SNCM630
SNCM815
SCM415
SCM418
SCM420
SCM421
SCM430
SCM432
SCM435

Chemical composition(mass fraction)(wt.%) of the SCM440

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.38-0.43 0.15-0.35 0.60-0.85 0.030 0.030 0.90-1.20 0.25 0.15-0.30 0.30

Mechanical Properties of steel grade SCM440

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)
851 (≥) 486 (≥) 33 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade SCM440

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
41 - -     0.42 -  
962 162 - 33.3 311   -  
964 - 14 33.2   111 123

Heat Treatment of steel grade SCM440

Heat treated : 1157°C - 1571°C

Technological Curves of steel grade SCM440

Cross Reference Table (Equivalent Grade) of SCM440

Grade Standard Country Application
SCM440H CNS China China Taiwan Structural steel
SCM440 CNS China China Taiwan Structural steel
SCM435 SCM445
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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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