Tianjin saipu exceptional steel Features: High-frequency welded Standard: gb/t6728-2002, en10219-1997, astm a500-1999, jis3466-88, Steel grade: q195, q215, q235 Specifications (mm): Square type - 15*15, 20*20, 25*25, 30*30, 40*40, 50*50, 60*60, 75*75, 80*80, 100*100 Rectangle type - 20*30, 20*40, 25*40, 30*40, 30*50, 30*60, 30*70, 40*50, 40*60, 40*80, 45*75, 50*70, 60*80, 50*100, 50*120, 80*100, 60*120, 80*120 Thickness: 0.8mm - 3.5mm Packing: inner in bundles by packing strips, outer covered by waterproof fabric and packed by packing strips or as per customers requests Hms & metal scrap Specification (mm): L: 1000 round W: less than 100; 100-200; =ªmore than 200 T: 0.7-1.8 Steel class Chemical composition% C Si Mn P S Q195 0.06~0.12++0.30 0.25~0.50++0.045++0.050 Q215 0.09~0.15++0.30 0.25~0.55++0.045++0.050 Q235 0.12~0.20++0.30 0.30~0.70++0.045++0.050 Packing: inner in bundles by packing strips, outer covered by waterproof fabric and packed by packing strips or as per customersf+ request