Close Alternative — 76.3% match
based on chemical composition and mechanical property overlap.
CSA G40.21 300W (CSA G40.21-13 (R2023)) and KS D3503 SS400 (KS D 3503:2016) are both steel grades.
Both fall under the Structural Steel category.
CSA G40.21 300W is typically used for structural fabrication,bridges,buildings,machinery frames,general construction,welded structures, while KS D3503 SS400 is commonly used for structural fabrication,bridges,buildings,machinery frames,general construction,welded structures,plates,sections.
CSA G40.21 300W is defined under Canadian Standards Association (CSA), originating from Canada, while KS D3503 SS400 is defined under Korean Industrial Standards (KS), originating from South Korea.
As per chemical composition, CSA G40.21 300W vs KS D3503 SS400 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 CSA G40.21 300W Be Substituted With KS D3503 SS400?
CSA G40.21 300W and KS D3503 SS400 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 CSA G40.21 300W and KS D3503 SS400?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can CSA G40.21 300W be substituted with KS D3503 SS400?
CSA G40.21 300W and KS D3503 SS400 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.