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America UNS L54821 30/70 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L54821 / L54821
Category Grade Standard Region/Area Standard Content
Metals L54821 -- America 30/70

Chemical composition(mass fraction)(wt.%) of the L54821

Element Min Max Similar

Mechanical Properties of steel grade L54821

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)
149 (≥) 635 (≥) 44 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade L54821

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
41 - -     0.32 -  
338 633 - 24.3 313   -  
372 - 14 24.2   342 432

Heat Treatment of steel grade L54821

Heat treated : 1767°C - 1924°C

Technological Curves of steel grade L54821

Cross Reference Table (Equivalent Grade) of L54821

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