Close Alternative — 79.2% match
based on chemical composition and mechanical property overlap.
AS/NZS 3678 Grade 350 (AS/NZS 3678:2016) and CSA G40.21 300W (CSA G40.21-13 (R2023)) are both steel grades.
Both fall under the Structural Steel category.
AS/NZS 3678 Grade 350 is typically used for bridges,heavy structures,mining equipment,cranes,offshore platforms,pressure vessels,structural components, while CSA G40.21 300W is commonly used for structural fabrication,bridges,buildings,machinery frames,general construction,welded structures.
AS/NZS 3678 Grade 350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while CSA G40.21 300W is defined under Canadian Standards Association (CSA), originating from Canada.
As per chemical composition, AS/NZS 3678 Grade 350 vs CSA G40.21 300W is a 98.4% match.
As per mechanical properties, the match is 40.8%.
Combined, this makes them a close alternative overall at 79.2%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Can AS/NZS 3678 Grade 350 Be Substituted With CSA G40.21 300W?
AS/NZS 3678 Grade 350 and CSA G40.21 300W are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between AS/NZS 3678 Grade 350 and CSA G40.21 300W?
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 350 be substituted with CSA G40.21 300W?
AS/NZS 3678 Grade 350 and CSA G40.21 300W are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.