carbon steel flange and stainless steel flange Certificate: GB/T9112-2000 Material: stainless steel 304 316 304 carbon steel flange and stainless steel flange 1. for loaders, excavators, grader ... .0, PN5.0, PN10.0, PN15.0, PN25.0, PN42 series series 2: PN0.25 PN0.6, PN2.5, PN4.0Liuzhou Jinmao ... machinery track, roller, driving gear, track roller, idler etc ;OEM: Made as customer's samples or drawings.