... 3313 SEHC, SEHD, SEHE, SEFH, SEPH, SECC, SECD,SECE, SEFC electrolytic zinc steel plategrade:JIS G3313 SEHC SEHD SEHE SEFH SECC SECD ... /coils--HR9) Steel strips,corrugated steel sheet10) steel Flange--FLG electrolytic galvanized steel coil & sheet