Post Stock Login Register

KS D3503 SS400 vs AS/NZS Grade 500

Strong Match — 90.4% match based on chemical composition and mechanical property overlap.

KS D3503 SS400 (KS D 3503:2016) and AS/NZS Grade 500 (AS/NZS 3597:2008) 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 AS/NZS Grade 500 is commonly used for heavy mining equipment, bulldozer blades, wear-resistant structural applications, large crane booms, offshore jackets.. KS D3503 SS400 is defined under Korean Industrial Standards (KS), originating from South Korea, while AS/NZS Grade 500 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, KS D3503 SS400 vs AS/NZS Grade 500 is a 90.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 90.4%.

Frequently Compared With KS D3503 SS400:
CSA G40.21 350W AS/NZS 3679.1 350 CSA G40.21 400W AS/NZS 3679.1 300 GOST 19281 09G2S CSA G40.21 400A CSA G40.21 480W ASTM A1008 SS Grade 50 CSA G40.21 260W CSA G40.21 300W ASTM A1008 SS Grade 80 ASTM A283C
Match Breakdown
CHEMISTRY MATCH
90.4%
MECHANICAL MATCH
No shared data
OVERALL
90.4%
Specifications
Property KS D3503 SS400 AS/NZS Grade 500
Standard KS D 3503:2016 AS/NZS 3597:2008
Category Structural Steel Structural Steel
C (%) <=0.25 max 0.2
Mn (%) <=1.50 max 1.6
P (%) <=0.050 max 0.03
S (%) <=0.050 max 0.03
Si (%) Not specified max 0.55
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property KS D3503 SS400 AS/NZS Grade 500
Tensile Strength 400-510 MPa Not specified
Yield Strength 245 MPa min Not specified
Elongation 21-23 % Not specified
Typical Applications
KS D3503 SS400
structural fabrication,bridges,buildings,machinery frames,general construction,welded structures,plates,sections
AS/NZS Grade 500
Heavy mining equipment, bulldozer blades, wear-resistant structural applications, large crane booms, offshore jackets.
Key Differences
Can KS D3503 SS400 Be Substituted With AS/NZS Grade 500?
KS D3503 SS400 and AS/NZS Grade 500 overlap closely enough on chemistry and mechanical properties that AS/NZS Grade 500 is often considered as a substitute for KS D3503 SS400 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
KS D3503 SS400
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3000–3700 mm (118.11–145.67 in)
AS/NZS Grade 500
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3100–3600 mm (122.05–141.73 in)
On M-EX Right Now
KS D3503 SS400
2 active listings and RFQs →
AS/NZS Grade 500
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between KS D3503 SS400 and AS/NZS Grade 500?
AS/NZS Grade 500 specifies Si which is not specified for KS D3503 SS400.
Can KS D3503 SS400 be substituted with AS/NZS Grade 500?
KS D3503 SS400 and AS/NZS Grade 500 overlap closely enough on chemistry and mechanical properties that AS/NZS Grade 500 is often considered as a substitute for KS D3503 SS400 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.