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Description

UK 316S31 austenitic special steel and 316S31 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 316S31
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 316S31 UK austenitic special steel
X2CrNiM0CuWN25-7-4
1.4501
302S31
303S42
304S11
304S15
304S31
310S31
316S11
316S13

Chemical composition(mass fraction)(wt.%) of the 316S31

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
Max 0.07 Max 1.00 Max 2.00 Max 0.045 Max 0.03 16.5-18.5 10.5-13.5 2.00-2.50

Mechanical Properties of steel grade 316S31

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)
372 (≥) 277 (≥) 21 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade 316S31

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
22 - -     0.41 -  
352 151 - 23.3 244   -  
384 - 43 11.2   113 233

Heat Treatment of steel grade 316S31

Heat treated : 1823°C - 1192°C

Technological Curves of steel grade 316S31

Cross Reference Table (Equivalent Grade) of 316S31

Grade Standard Country Application
316S31 UK austenitic special steel

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