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America UNS L54820 30/70 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L54820 / L54820
Category Grade Standard Region/Area Standard Content
Metals L54820 -- America 30/70

Chemical composition(mass fraction)(wt.%) of the L54820

Element Min Max Similar

Mechanical Properties of steel grade L54820

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)
294 (≥) 658 (≥) 24 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade L54820

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
12 - -     0.34 -  
923 289 - 23.3 114   -  
478 - 32 21.2   313 423

Heat Treatment of steel grade L54820

Heat treated : 1634°C - 1262°C

Technological Curves of steel grade L54820

Cross Reference Table (Equivalent Grade) of L54820

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