Close Alternative — 74.5% match
based on chemical composition and mechanical property overlap.
AS/NZS 3678 Grade 250 (AS/NZS 3678:2016) and KS D3503 SS400 (KS D 3503:2016) are both steel grades.
Both fall under the Structural Steel category.
AS/NZS 3678 Grade 250 is typically used for structural fabrication,buildings,bridges,general construction,machinery frames,welded structures,plates, while KS D3503 SS400 is commonly used for structural fabrication,bridges,buildings,machinery frames,general construction,welded structures,plates,sections.
AS/NZS 3678 Grade 250 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while KS D3503 SS400 is defined under Korean Industrial Standards (KS), originating from South Korea.
As per chemical composition, AS/NZS 3678 Grade 250 vs KS D3503 SS400 is a 97.2% match.
As per mechanical properties, the match is 29.2%.
Combined, this makes them a close alternative overall at 74.5%.
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 250 Be Substituted With KS D3503 SS400?
AS/NZS 3678 Grade 250 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 AS/NZS 3678 Grade 250 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 AS/NZS 3678 Grade 250 be substituted with KS D3503 SS400?
AS/NZS 3678 Grade 250 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.