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USS 18-5-8

Global 企业标准 USS18-5-8 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: USS18-5-8 / USS 18-5-8
Category Grade Standard Region/Area Standard Content
Metals USS 18-5-8 -- Global

Chemical composition(mass fraction)(wt.%) of the USS 18-5-8

Element Min Max Similar

Mechanical Properties of steel grade USS 18-5-8

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)
339 (≥) 745 (≥) 34 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade USS 18-5-8

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
31 - -     0.31 -  
881 792 - 21.3 243   -  
499 - 13 43.2   222 424

Heat Treatment of steel grade USS 18-5-8

Heat treated : 1737°C - 1191°C

Technological Curves of steel grade USS 18-5-8

Cross Reference Table (Equivalent Grade) of USS 18-5-8

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