1)size, 6.5-12mm 2)standard SAE J403, GB/T700/1449,ASTM,BS4449 3)Grade SAE1006/1008/1010/1018,Q195/235.SS400 Gr D 1)size, 6.5-12mm2)standard SAE J403, GB/T700/1449,ASTM,BS44493)Grade SAE1006/1008/1010/1018,Q195/235.SS400 Gr D 4)usage constuction5)transport by sea in containers or in bulk