Related Material — 63.6% match
based on chemical composition and mechanical property overlap.
GB/T 700 Q235A (GB/T 700:2006) and CSA G40.21 480W (CSA G40.21-13 (R2023)) are both steel grades.
Both fall under the Structural Steel category.
GB/T 700 Q235A is typically used for structural sections, welded structures, general fabrication, machinery frames, steel plates, pipes, while CSA G40.21 480W is commonly used for heavy cranes, offshore structures, high-rise building frames, pressure vessels, heavy mining equipment..
GB/T 700 Q235A is defined under Guobiao Standards (GB/T), originating from China, while CSA G40.21 480W is defined under Canadian Standards Association (CSA), originating from Canada.
As per chemical composition, GB/T 700 Q235A vs CSA G40.21 480W is a 95.4% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a related material overall at 63.6%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
GB/T 700 Q235A
CSA G40.21 480W
Tensile Strength
370-500 MPa
590-790 MPa
Yield Strength
>=235 MPa
480 MPa min
Elongation
>=26%
Not specified
Condition
Hot rolled, controlled rolled or normalized; yield up to 16 mm, elongation up to 40 mm (N/mm2 = MPa)
Heavy cranes, offshore structures, high-rise building frames, pressure vessels, heavy mining equipment.
Can GB/T 700 Q235A Be Substituted With CSA G40.21 480W?
GB/T 700 Q235A and CSA G40.21 480W share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
What is the difference between GB/T 700 Q235A and CSA G40.21 480W?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 700 Q235A be substituted with CSA G40.21 480W?
GB/T 700 Q235A and CSA G40.21 480W share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.