JIS G3114 atmospheric corrosion resisting steels for welded structure

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JIS G3114 atmospheric corrosion resisting steels for welded structure

JIS G3114 atmospheric corrosion resisting steels for welded structure
JIS G3114 standard specifies fourteen steel grades (SMA400AW, SMA400BW, SMA400CW, SMA400AP, SMA400BP, SMA400CP, SMA490AW, SMA490BW, SMA490CW, SMA490AP, SMA490BP, SMA490CP, SMA570W, AMA570P) atmospheric corrosion resisting steels for welded structure . They are always supplied in hot rolled type. Our SMA400AW, SMA400BW, SMA400AP, SMA400BP, SMA490AW, SMA490BW, SMA490AP, SMA490BP steel plates are often produced with thickness up to 200mm, while SMA400CW, SMA400CP, SMA400CW, SMA400CP, SMA490CW, SMA490CP, SMA570W, AMA570P steel plates are supplied in thickness up to 100mm.
 
SMA400AW, SMA490AW steel equivalent
GB/T4171-2008 ISO 4952-2006 ISO5952-2005 EN10025-5: 2004 JIS G3114-2004
Q235NH S235W HSA235W S235J0W,J2W SMA400AW,BW,CW
Q355NH S355W HSA355W2 S355J0W,J2W,K2W SMA490AW,BW,CW
 

Chemical composition (%) for JIS G3114 atmospheric corrosion resisting steels in 2016 version

Material C max. Si Mn max. P max. S max. Cu Cr Ni
SMA400AW, SMA400BW,SMA400CW 0.18 0.15-0.65 1.25 0.035 0.035 0.30-0.50 0.45-0.75 0.05-0.30
SMA490AW,SMA490BW,SMA490CW 0.18 0.15-0.65 1.4 0.035 0.035 0.30-0.50 0.45-0.75 0.05-0.30
SMA490AP,SMA490BP,SMA490CP 0.18 0.55 max. 1.4 0.035 0.035 0.30-0.50 0.20-0.35 -
SAMA570W 0.18 0.15~0.65 1.4 0.035 0.035 0.30~0.50 0.45~0.75 0.05~0.30
SAMA570P 0.18 ≤0.55 1.4 0.035 0.035 0.20~0.35 0.30~0.55 -
 
Mechanical properties in thick up to 16mm
Material Yield Strength(MPa) Tensile Strength(MPa) % Elongation min.
SMA400AW, SMA400BW,SMA400CW 245 400-540 17
SMA490AW,SMA490BW,SMA490CW 356 490-610 15
SMA490AP,SMA490BP,SMA490CP 356 490-610 15
SMA570W 365 570-720 19
SMA570P 460 570-720 19
Our produced JIS G3114 atmospheric corrosion resisting steels in hot rolled condition are widely used for bridges, architecture and other welded structures.
 
 

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