... material:40Mn 2) plate thickness:1.3mm 3) color:natural,black,blue,yellow ANSI 06C-1/35-1 A series roller chains1)material ... ,530,630,25,25H3)short pitch conveyor roller chain attachments:A-1,A-2.K-1 ... ,2062,2060H,2062H,2080,2082,2080H5)agricutual chain:ZGS38 series, 212A(2060) with attachment ... series,6)simplex,double,triplex chainsThe chain technic is as bellow1)shot peening2)bluing3) ...