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SMnC420H

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SMn443H SMnC443H
#SMnC420H

Description

China CNS SMnC420H China Taiwan Structural steel and SMnC420H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SMnC420H
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SMnC420H CNS China China Taiwan Structural steel
G20Cr2Ni4
G10CrNi3Mo
G20Cr2Mn2Mo
(G)9Cr18
(G)9Cr18Mo
(G)1Cr18Ni9Ti
SMn420H
SMn433H
SMn438H
SMn443H

Chemical composition(mass fraction)(wt.%) of the SMnC420H

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.16-0.23 0.15-0.35 1.15-1.55 Max 0.030 Max 0.030 0.35-0.70 Max 0.25 —

Mechanical Properties of steel grade SMnC420H

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)
919 (≥) 531 (≥) 32 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade SMnC420H

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 - -     0.21 -  
535 862 - 21.3 211   -  
398 - 23 24.2   443 343

Heat Treatment of steel grade SMnC420H

Heat treated : 1736°C - 1514°C

Technological Curves of steel grade SMnC420H

Cross Reference Table (Equivalent Grade) of SMnC420H

Grade Standard Country Application
SMnC420H CNS China China Taiwan Structural steel
SMn443H SMnC443H
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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