JIS G3114 SMA400 Steel — Specifications & Listings

JIS G3114

SMA400 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.

Category: Mild Steel

Grade Details

Grade	JIS G3114 SMA400
Standard	JIS G3114
Description	SMA400 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.
Applications	Used 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

No active JIS G3114 SMA400 listings at this time.