KS D 3503:2016 SS400 Steel: Specifications & Listings

KS D 3503:2016 SS400: KS SS400 is a general structural steel specified under Korean Standard KS D3503, equivalent to JIS SS400 and ASTM A36. It offers good weldability and formability, widely used in construction, bridges, machinery and general fabrication across Korea.

Forms: Plate Category: Structural Steel
Grade Details
GradeKS D 3503:2016 SS400
Standard KS D 3503:2016
Applicationsstructural fabrication,bridges,buildings,machinery frames,general construction,welded structures,plates,sections
Most Active InWest (Maharashtra)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
JIS G3101 SS400 JIS G3101:2020 Japan 3 listings, 0 RFQs →
ASTM A36 ASTM A36 USA 3 listings, 1 RFQ →
EN 10025-2 S275JR EN 10025-2:2019 Europe 0 listings, 3 RFQs →
IS 2062 E250A IS 2062:2011 India 9 listings, 6 RFQs →
GB/T 700 Q235B GB/T 700:2006 China 0 listings, 2 RFQs →
GOST 380 St3sp GOST 380-2005 Russia 2 listings, 0 RFQs →
Supply & Demand by FormSee Full Supply & Demand →
Plate →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
AS/NZS 3678 Grade 450 AS/NZS 3678:2016 Strong Match
AS/NZS Grade 500 AS/NZS 3597:2008 Strong Match
CSA G40.21 300W CSA G40.21-13 (R2023) Close Alternative
AS/NZS 3678 Grade 250 AS/NZS 3678:2016 Close Alternative
EN 10025-2 S250 EN 10025-2:2019 Close Alternative
GB/T 700 Q275A GB/T 700:2006 Close Alternative
CSA G40.21 260W CSA G40.21-13 (R2023) Close Alternative
GB/T 700 Q235A GB/T 700:2006 Close Alternative
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn P S
<=0.25 <=1.50 <=0.050 <=0.050
Mechanical Properties
Tensile Strength 400-510 MPa
Yield Strength 245 MPa min
Elongation 21-23 %
Typical Available Sizes
Plate 6-100 mm
Flat Bar 10-150 mm
Round Bar 16-200 mm
Sizes are indicative. Contact seller for exact availability.

Popular forms for this grade:

Plate (2)

Active KS D 3503:2016 SS400 Listings on M-EX (For Sale)

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KS D 3503:2016 SS400 Plate
5.600 MT
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KS D 3503:2016 SS400 Plate
4.600 MT
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