Close Alternative — 76.3% match
based on chemical composition and mechanical property overlap.
KS D3503 SS400 (KS D 3503:2016) and CSA G40.21 300W (CSA G40.21-13 (R2023)) are both steel grades.
Both fall under the Structural Steel category.
KS D3503 SS400 is typically used for structural fabrication,bridges,buildings,machinery frames,general construction,welded structures,plates,sections, while CSA G40.21 300W is commonly used for structural fabrication,bridges,buildings,machinery frames,general construction,welded structures.
KS D3503 SS400 is defined under Korean Industrial Standards (KS), originating from South Korea, while CSA G40.21 300W is defined under Canadian Standards Association (CSA), originating from Canada.
As per chemical composition, KS D3503 SS400 vs CSA G40.21 300W is a 98.7% match.
As per mechanical properties, the match is 31.3%.
Combined, this makes them a close alternative overall at 76.3%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Can KS D3503 SS400 Be Substituted With CSA G40.21 300W?
KS D3503 SS400 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 KS D3503 SS400 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 KS D3503 SS400 be substituted with CSA G40.21 300W?
KS D3503 SS400 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.