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Canada CSA 230G General requirements for rolled or welded structural quality steel / Structural quality steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 230G / 230G
Category Grade Standard Region/Area Standard Content
Metals 230G G40.20/G40.21 Canada General requirements for rolled or welded structural quality steel / Structural quality steel

Chemical composition(mass fraction)(wt.%) of the 230G

Element Min Max Similar

Mechanical Properties of steel grade 230G

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)
872 (≥) 841 (≥) 12 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade 230G

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 - -     0.41 -  
864 166 - 24.3 324   -  
414 - 42 23.2   312 414

Heat Treatment of steel grade 230G

Heat treated : 1717°C - 1155°C

Technological Curves of steel grade 230G

Cross Reference Table (Equivalent Grade) of 230G

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