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America SAE 30308 Chemical compositions of SAE wrought stainless steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 30308 / 30308
Category Grade Standard Region/Area Standard Content
Metals 30308 SAE J 405 America Chemical compositions of SAE wrought stainless steels

Chemical composition(mass fraction)(wt.%) of the 30308

Element Min Max Similar

Mechanical Properties of steel grade 30308

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)
914 (≥) 315 (≥) 11 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 30308

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
21 - -     0.33 -  
189 825 - 31.3 441   -  
578 - 41 34.2   434 241

Heat Treatment of steel grade 30308

Heat treated : 1842°C - 1172°C

Technological Curves of steel grade 30308

Cross Reference Table (Equivalent Grade) of 30308

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