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

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

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

Element Min Max Similar

Mechanical Properties of steel grade 480AT

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)
375 (≥) 143 (≥) 42 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade 480AT

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 - -     0.43 -  
859 169 - 43.3 341   -  
731 - 34 21.2   123 112

Heat Treatment of steel grade 480AT

Heat treated : 1697°C - 1631°C

Technological Curves of steel grade 480AT

Cross Reference Table (Equivalent Grade) of 480AT

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