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Canada CSA 350R General requirements for rolled or welded structural quality steel / Structural quality steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 350R / 350R
Category Grade Standard Region/Area Standard Content
Metals 350R G40.20/G40.21 Canada General requirements for rolled or welded structural quality steel / Structural quality steel

Chemical composition(mass fraction)(wt.%) of the 350R

Element Min Max Similar

Mechanical Properties of steel grade 350R

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)
546 (≥) 771 (≥) 14 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade 350R

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
33 - -     0.42 -  
217 456 - 14.3 232   -  
646 - 31 43.2   433 331

Heat Treatment of steel grade 350R

Heat treated : 1936°C - 1539°C

Technological Curves of steel grade 350R

Cross Reference Table (Equivalent Grade) of 350R

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