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SNCM431

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SNCM420 SNCM439
#SNCM431

Description

China CNS SNCM431 China Taiwan Structural steel and SNCM431 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SNCM431
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SNCM431 CNS China China Taiwan Structural steel
STKM18A
STKM18B
STKM18C
STKM19A
STKM19C
STKM20A
SNCM220
SNCM240
SNCM415
SNCM420

Chemical composition(mass fraction)(wt.%) of the SNCM431

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.27-0.35 0.15-0.35 0.60-0.90 0.030 0.030 0.60-1.00 1.60-2.00 0.15-0.30 0.30

Mechanical Properties of steel grade SNCM431

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)
279 (≥) 156 (≥) 41 13 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade SNCM431

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
43 - -     0.34 -  
898 851 - 23.3 332   -  
819 - 11 21.2   124 332

Heat Treatment of steel grade SNCM431

Heat treated : 1144°C - 1972°C

Technological Curves of steel grade SNCM431

Cross Reference Table (Equivalent Grade) of SNCM431

Grade Standard Country Application
SNCM431 CNS China China Taiwan Structural steel
SNCM420 SNCM439
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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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