... 9001 2.ASTM A653, JIS G3302 SGCC/SGCH, GB/T 2518... 3.SS grade 33-80; SGCC, SGCH ... STANDARD ASTM A653, JIS G3302 SGCC/SGCH ,GB/T 2518, European standard ASTM A792, JIS G3321 JIS ... G3317 JIS G3312 GB/T 1275…… GRADE SS grade 33-80; SGCC, SGCH ... paint and post paint applications, gutters and down spouts, ceiling suspension bars, shutter door rails. Auto parts, electrical appliances, ...