Stainless steel ring gasket 2.5mm-80mm CS&AS& ... B18.21,ASME B16.21,DIN127 ,JIS Stainless steel ring gasketType: Spiral wound gasket, oval RTJ, Octagonal RTJ ... 1251 Surface processing, material (special steel, stainless steel, copper and so on) or other specifications can be designed. ... Material: 70#, 72B, 65Mn, SUS304, phosphor copper Packing: export cartons with plastics bag, then onto pallets ...