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SCM420H

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SCM418H SCM435H
#SCM420H

Description

China CNS SCM420H China Taiwan Structural steel and SCM420H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SCM420H
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SCM420H CNS China China Taiwan Structural steel
SCr430H
SCr435H
SCr440H
SNC415H
SNC631H
SNC815H
SNCM220H
SNCM420H
SCM415H
SCM418H

Chemical composition(mass fraction)(wt.%) of the SCM420H

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.17-0.23 0.15-0.35 0.55-0.90 Max 0.030 Max 0.030 0.85-1.25 Max 0.25 0.15-0.35

Mechanical Properties of steel grade SCM420H

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)
645 (≥) 423 (≥) 11 11 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade SCM420H

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
43 - -     0.14 -  
881 813 - 34.3 341   -  
563 - 12 11.2   232 121

Heat Treatment of steel grade SCM420H

Heat treated : 1215°C - 1988°C

Technological Curves of steel grade SCM420H

Cross Reference Table (Equivalent Grade) of SCM420H

Grade Standard Country Application
SCM420H CNS China China Taiwan Structural steel
SCM418H SCM435H
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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