303S31

This page provides 303S31 datasheet, 303S31 mechanical properties, chemical element 303S31, technical specifications of 303S31 steel material properties. 303S31 performance specifications.

303S31
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 303S31 UK austenitic special steel
420S45
434S17
215S15
304S51
316S51
316S52
321S51(1010)
321S51(1105)
347S51
321S31
Datasheet for:Steel Grades:Special Steel:303S31

Chemical composition(mass fraction)(wt.%) of the 303S31

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) N(%)
Max 0.12 Max 1.00 Max 2.00 Max 2.00 Max 0.15-0.35 17.0-19.0 8.00-10.0 Max 1.00 Max 0.25

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 303S31

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)
242 (≥) 136 (≥) 32 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
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
34 - -     0.44 -  
489 897 - 42.3 443   -  
162 - 42 43.2   142 424
Heat treated : 1574°C - 1382°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.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
303S31 UK
austenitic special steel
303S31

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