SUS631 SUS631 Datasheet
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel SUS631
SUS420J2
SUS420F
SUS420F2
SUS431
SUS440A
SUS440B
SUS440C
SUS440F
SUS410S
SUS630
Datasheet for:Steel Grades:Stainless Steel:SUS631

Chemical composition(mass fraction)(wt.%) of the SUS631

C
Si
Mn
P
S
Cr Ni
 0.09 1.0   1.0  0.04 0.03  16-18  6.5-7.75 
Mo Al Cu Nb Ti V Ce
  0.75-1.5           
N Co Pb B Other    
             
             

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade SUS631

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)
919 (≥) 294 (≥) 31 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 424
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
31 - -     0.14 -  
521 513 - 43.3 211   -  
189 - 22 42.2   314 213
Heat treated : 1152°C - 1238°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
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