Related Material — 65.9% match
based on chemical composition and mechanical property overlap.
AS/NZS 3678 Grade 300 (AS/NZS 3678:2016) and CSA G40.21 480W (CSA G40.21-13 (R2023)) are both steel grades.
Both fall under the Structural Steel category.
AS/NZS 3678 Grade 300 is typically used for general fabrication, structural members, high-rise buildings, bridges, storage tanks, while CSA G40.21 480W is commonly used for heavy cranes, offshore structures, high-rise building frames, pressure vessels, heavy mining equipment..
AS/NZS 3678 Grade 300 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while CSA G40.21 480W is defined under Canadian Standards Association (CSA), originating from Canada.
As per chemical composition, AS/NZS 3678 Grade 300 vs CSA G40.21 480W is a 98.9% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a related material overall at 65.9%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
AS/NZS 3678 Grade 300
CSA G40.21 480W
Tensile Strength
430-560 MPa
590-790 MPa
Yield Strength
300 MPa min
480 MPa min
Elongation
22% min
Not specified
Typical Applications
AS/NZS 3678 Grade 300
General fabrication, structural members, high-rise buildings, bridges, storage tanks
CSA G40.21 480W
Heavy cranes, offshore structures, high-rise building frames, pressure vessels, heavy mining equipment.
Can AS/NZS 3678 Grade 300 Be Substituted With CSA G40.21 480W?
AS/NZS 3678 Grade 300 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 AS/NZS 3678 Grade 300 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 AS/NZS 3678 Grade 300 be substituted with CSA G40.21 480W?
AS/NZS 3678 Grade 300 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.