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Global 企业标准 ER308 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ER308 / ER308
Category Grade Standard Region/Area Standard Content
Metals ER308 -- Global

Chemical composition(mass fraction)(wt.%) of the ER308

Element Min Max Similar
Ti - 1.5000 -
Ta - 1.5000 -
Si 0.3000 0.6500 -
S - 0.3000 -
P - 0.3000 -
Ni 9.0000 11.0000 -
Nb - 1.5000 -
Mo - 0.7500 -
Mn 1.0000 2.5000 -
Cu - 0.7500 -
Cr 19.5000 22.0000 -
C - 0.0800 -

Mechanical Properties of steel grade ER308

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)
838 (≥) 925 (≥) 14 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade ER308

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
33 - -     0.13 -  
664 229 - 14.3 212   -  
114 - 31 24.2   124 324

Heat Treatment of steel grade ER308

Heat treated : 1425°C - 1585°C

Technological Curves of steel grade ER308

Cross Reference Table (Equivalent Grade) of ER308

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