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SCr420H

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SCr415H SCr430H
#SCr420H

Description

China CNS SCr420H China Taiwan Structural steel and SCr420H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SCr420H
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SCr420H CNS China China Taiwan Structural steel
(G)9Cr18
(G)9Cr18Mo
(G)1Cr18Ni9Ti
SMn420H
SMn433H
SMn438H
SMn443H
SMnC420H
SMnC443H
SCr415H

Chemical composition(mass fraction)(wt.%) of the SCr420H

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 —

Mechanical Properties of steel grade SCr420H

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)
278 (≥) 255 (≥) 44 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade SCr420H

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
34 - -     0.11 -  
759 445 - 31.3 131   -  
827 - 42 33.2   412 433

Heat Treatment of steel grade SCr420H

Heat treated : 1432°C - 1373°C

Technological Curves of steel grade SCr420H

Cross Reference Table (Equivalent Grade) of SCr420H

Grade Standard Country Application
SCr420H CNS China China Taiwan Structural steel
SCr415H SCr430H
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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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