... .brand name:Xinxin 2.length:about 23m long 3.size:20-1500mm 4.Technique:Hot rolled galvanized steel coil Standard:ASTM ... , BS, GB, JISSteel grade: DX51D, SGCC, Cs-B, S280, S320, S350, S380, DQ, DDQ ,Q195 Spangle: Regular ... /914/1000/1250 Zinc coating : Z80 - Z275/m2 DX51 SGCC, Cs-B, S280, S320, S350, S380, DQ, DDQ ,Q195