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Description

SNCM431 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SNCM431
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SNCM431
SCM822
SNC236
SNC415
SNC631
SNC815
SNC836
SNCM220
SNCM240
SNCM415
SNCM420

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

 

 

C
Si
Mn
P
S
Cr Ni
0.27-0.35 0.15-0.35 0.6-0.9 0.03 0.03 0.6-1.0 1.6-2.0
Mo Al Cu Nb Ti V Ce
0.15-0.3   ≤0.3        
N Co Pb B Other    
             
             

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)
463 (≥) 286 (≥) 13 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

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
21 - -     0.12 -  
127 874 - 14.3 312   -  
749 - 42 14.2   122 211

Heat Treatment of steel grade SNCM431

Heat treated : 1321°C - 1141°C

Technological Curves of steel grade SNCM431

Cross Reference Table (Equivalent Grade) of SNCM431

Grade Standard Country Application
SNCM431 China China Taiwan Structural steel

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