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Canada CSA 480W General requirements for rolled or welded structural quality steel / Structural quality steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 480W / 480W
Category Grade Standard Region/Area Standard Content
Metals 480W G40.20/G40.21 Canada General requirements for rolled or welded structural quality steel / Structural quality steel

Chemical composition(mass fraction)(wt.%) of the 480W

Element Min Max Similar
Si - 0.4000 -
S - 0.0500 -
P - 0.0400 -
Nb+V - 0.1000 -
Mn 0.5000 1.5000 -
C - 0.2600 -

Mechanical Properties of steel grade 480W

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)
853 (≥) 967 (≥) 32 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade 480W

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
23 - -     0.42 -  
934 793 - 41.3 143   -  
251 - 31 14.2   142 312

Heat Treatment of steel grade 480W

Heat treated : 1365°C - 1172°C

Technological Curves of steel grade 480W

Cross Reference Table (Equivalent Grade) of 480W

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