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Description

S31272 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: S31272
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy S31272
TP310Cb
S31040
TP310HCb
S31041
TP310HCbN
TP310MoLN
S31050
S31042
S31060
S31254

Chemical composition(mass fraction)(wt.%) of the S31272

C
Si
Mn
P
S
Cr Ni
0.08-0.12 0.3-0.7 1.5-2 0.03 0.15 14-16 14-16
Mo Al Cu Nb Ti V Ce
1-1.4       0.3-0.6    
N Co Pb B Other    
      0.004-0.008      
             

Mechanical Properties of steel grade S31272

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)
296 (≥) 637 (≥) 24 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade S31272

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
12 - -     0.32 -  
899 924 - 21.3 313   -  
649 - 33 32.2   324 111

Heat Treatment of steel grade S31272

Heat treated : 1349°C - 1464°C

Technological Curves of steel grade S31272


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