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SCM420

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SCM418 SCM421
#SCM420

Description

China CNS SCM420 China Taiwan Structural steel and SCM420 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SCM420
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SCM420 CNS China China Taiwan Structural steel
SNCM420
SNCM431
SNCM439
SNCM447
SNCM616
SNCM625
SNCM630
SNCM815
SCM415
SCM418

Chemical composition(mass fraction)(wt.%) of the SCM420

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.18-0.23 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 SCM420

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)
514 (≥) 228 (≥) 31 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade SCM420

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 - -     0.23 -  
455 131 - 41.3 132   -  
294 - 22 22.2   113 431

Heat Treatment of steel grade SCM420

Heat treated : 1184°C - 1883°C

Technological Curves of steel grade SCM420

Cross Reference Table (Equivalent Grade) of SCM420

Grade Standard Country Application
SCM420H CNS China China Taiwan Structural steel
SCM420 CNS China China Taiwan Structural steel
SCM418 SCM421
Available Suppliers
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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