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KS D3503 SS400 Steel — Specifications & Listings

KS D3503KS 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: Mild Steel
Grade Details
GradeKS D3503 SS400
StandardKS D3503
DescriptionKS 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.
Applicationsstructural fabrication,bridges,buildings,machinery frames,general construction,welded structures,plates,sections
Equivalent / Similar Grades
Grade Standard Region
SS400 JIS G3101 Japan
ASTM A36 ASTM USA
S275JR EN 10025 Europe
IS 2062 E250A IS 2062 India
Q235B GB/T 700 China
St3sp GOST 380 Russia
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.

Active KS D3503 SS400 Listings on M-EX

KS D3503 SS400 Plate
5.400 MT
View Listing
KS D3503 SS400 Plate
5.300 MT
View Listing