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SNCM220H

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SNC815H SNCM420H
#SNCM220H

Description

China CNS SNCM220H China Taiwan Structural steel and SNCM220H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SNCM220H
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SNCM220H CNS China China Taiwan Structural steel
SMnC420H
SMnC443H
SCr415H
SCr420H
SCr430H
SCr435H
SCr440H
SNC415H
SNC631H
SNC815H

Chemical composition(mass fraction)(wt.%) of the SNCM220H

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.17-0.23 0.15-0.35 0.60-0.95 Max 0.030 Max 0.030 0.35-0.65 0.35-0.75 0.15-0.35

Mechanical Properties of steel grade SNCM220H

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)
424 (≥) 134 (≥) 32 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade SNCM220H

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
33 - -     0.34 -  
684 388 - 42.3 141   -  
146 - 31 43.2   124 234

Heat Treatment of steel grade SNCM220H

Heat treated : 1689°C - 1955°C

Technological Curves of steel grade SNCM220H

Cross Reference Table (Equivalent Grade) of SNCM220H

Grade Standard Country Application
SNCM220H CNS China China Taiwan Structural steel
SNC815H SNCM420H
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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