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ss400 rolled steel plate for common structure
1 main use
there are strict requirements on the surface quality and appearance dimensions of ss400 steel. rolled steel sheets for common structures of 6 to 100 mm thick are widely used in construction steel structures and construction machinery.
2 grades and standards
grade: ss400, implementation standard: jis g3101-2010
3 technical conditions of supply
3.1 product specifications
6 to 100 mm × 1800 to 4000 mm × lmm.
3.2 chemical composition
table 1 chemical composition, %
牌号 | c | si | mn | p | s |
ss400 | — | — | — | ≤0.050 | ≤0.050 |
3.3 mechanical behavior
table 2 mechanical properties
厚度 mm | 屈服强度 mpa | 抗拉强度 mpa | 延伸率 % | 冷弯 b=2a，180° |
≤16 | ≥245 | 400～510 | ≥21 | d=3a |
＞16～40 | ≥235 | 400～510 | ≥21 | d=3a |
＞40～50 | ≥215 | 400～510 | ≥21 | d=3a |