Close Alternative — 70.7% match
based on chemical composition and mechanical property overlap.
AS/NZS 3678 Grade 350 (AS/NZS 3678:2016) and CSA G40.21 260W (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 260W is commonly used for bridges, buildings, general structural fabrication, storage tanks, older infrastructure projects..
AS/NZS 3678 Grade 350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while CSA G40.21 260W is defined under Canadian Standards Association (CSA), originating from Canada.
As per chemical composition, AS/NZS 3678 Grade 350 vs CSA G40.21 260W is a 92.9% match.
As per mechanical properties, the match is 26.2%.
Combined, this makes them a close alternative overall at 70.7%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Bridges, buildings, general structural fabrication, storage tanks, older infrastructure projects.
Key Differences
CSA G40.21 260W specifies Si which is not specified for AS/NZS 3678 Grade 350.
Can AS/NZS 3678 Grade 350 Be Substituted With CSA G40.21 260W?
AS/NZS 3678 Grade 350 and CSA G40.21 260W 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 260W?
CSA G40.21 260W specifies Si which is not specified for AS/NZS 3678 Grade 350.
Can AS/NZS 3678 Grade 350 be substituted with CSA G40.21 260W?
AS/NZS 3678 Grade 350 and CSA G40.21 260W 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.