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SNCM420

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SNCM415 SNCM431
#SNCM420

Description

China CNS SNCM420 China Taiwan Structural steel and SNCM420 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SNCM420
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SNCM420 CNS China China Taiwan Structural steel
STKM17C
STKM18A
STKM18B
STKM18C
STKM19A
STKM19C
STKM20A
SNCM220
SNCM240
SNCM415

Chemical composition(mass fraction)(wt.%) of the SNCM420

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.17-0.23 0.15-0.35 0.40-0.70 0.030 0.030 0.40-0.65 1.60-2.00 0.15-0.30 0.30

Mechanical Properties of steel grade SNCM420

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)
562 (≥) 959 (≥) 23 11 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade SNCM420

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 - -     0.42 -  
961 316 - 44.3 143   -  
721 - 34 23.2   234 322

Heat Treatment of steel grade SNCM420

Heat treated : 1339°C - 1148°C

Technological Curves of steel grade SNCM420

Cross Reference Table (Equivalent Grade) of SNCM420

Grade Standard Country Application
SNCM420H CNS China China Taiwan Structural steel
SNCM420 CNS China China Taiwan Structural steel
SNCM415 SNCM431
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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