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SCr420

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SCr415 SCr430
#SCr420

Description

China CNS SCr420 China Taiwan Structural steel and SCr420 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SCr420
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SCr420 CNS China China Taiwan Structural steel
SCM445
SCM822
SACM645
SMn420
SMn433
SMn438
SMn443
SMnC420
SMnC443
SCr415

Chemical composition(mass fraction)(wt.%) of the SCr420

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.18-0.23 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 SCr420

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)
821 (≥) 937 (≥) 11 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade SCr420

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
21 - -     0.44 -  
836 373 - 24.3 223   -  
284 - 43 14.2   413 214

Heat Treatment of steel grade SCr420

Heat treated : 1538°C - 1165°C

Technological Curves of steel grade SCr420

Cross Reference Table (Equivalent Grade) of SCr420

Grade Standard Country Application
SCr420H CNS China China Taiwan Structural steel
SCr420 CNS China China Taiwan Structural steel
SCr415 SCr430
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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