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JIS G3114 SMA400 Steel — Specifications & Listings

JIS G3114SMA400 is a weathering structural steel with enhanced atmospheric corrosion resistance for outdoor applications. It develops a protective oxide layer that reduces maintenance requirements in exposed environments.

Forms: Plate Category: Mild Steel
Grade Details
GradeJIS G3114 SMA400
StandardJIS G3114
DescriptionSMA400 is a weathering structural steel with enhanced atmospheric corrosion resistance for outdoor applications. It develops a protective oxide layer that reduces maintenance requirements in exposed environments.
ApplicationsUsed in bridges, transmission towers, railway wagons, containers, and structural frameworks.
Chemical Composition (%)
C Si Mn P S Cu Cr Ni
0.18 max 0.35-0.75 0.60-1.40 0.035 max 0.035 max 0.20-0.50 0.30-1.25 0.20-0.65
Mechanical Properties
tensile_strength 400-540 MPa
yield_strength 245 MPa min
elongation 17% min
hardness 120-170 HB

Active JIS G3114 SMA400 Listings on M-EX

JIS G3114 SMA400 Plate
6.900 MT
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JIS G3114 SMA400 Plate
6.400 MT
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