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SNCM420H

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SNCM220H SCM415H
#SNCM420H

Description

China CNS SNCM420H China Taiwan Structural steel and SNCM420H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SNCM420H
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SNCM420H CNS China China Taiwan Structural steel
SMnC443H
SCr415H
SCr420H
SCr430H
SCr435H
SCr440H
SNC415H
SNC631H
SNC815H
SNCM220H

Chemical composition(mass fraction)(wt.%) of the SNCM420H

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.17-0.23 0.15-0.35 0.40-0.70 Max 0.030 Max 0.030 0.35-0.65 1.55-2.00 0.15-0.35

Mechanical Properties of steel grade SNCM420H

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)
734 (≥) 914 (≥) 14 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade SNCM420H

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
12 - -     0.12 -  
397 235 - 24.3 134   -  
531 - 23 22.2   211 434

Heat Treatment of steel grade SNCM420H

Heat treated : 1388°C - 1882°C

Technological Curves of steel grade SNCM420H

Cross Reference Table (Equivalent Grade) of SNCM420H

Grade Standard Country Application
SNCM420H CNS China China Taiwan Structural steel
SNCM220H SCM415H
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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