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Description

SUH31 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: SUH31
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel SUH31
SUS420F
SUS420F2
SUS431
SUS440A
SUS440B
SUS440C
SUS440F
SUS410S
SUS630
SUS631

Chemical composition(mass fraction)(wt.%) of the SUH31

C
Si
Mn
P
S
Cr Ni
 0.35-0.45 1.5-2.5  0.06  0.04   0.03  14-16 13-15 
Mo Al Cu Nb Ti W Ce
           2.0-3.0  
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SUH31

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)
452 (≥) 876 (≥) 33 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade SUH31

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 - -     0.13 -  
322 265 - 43.3 413   -  
273 - 21 43.2   212 332

Heat Treatment of steel grade SUH31

Heat treated : 1691°C - 1238°C

Technological Curves of steel grade SUH31


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