... Stainless Steel coupling with ss handle Material introduce: 316 by adding Mo, so the corrosion resistance, resistance to atmospheric corrosion and high temperature ... temperature-20°C~232°CSpecially materialSUS201,202,301,302,303,304,304L,316,316L,321,310S,430 etc.StructureMetal Bellows Stainless Steel ... -600-SS316Coupler X Male thread 6" SS316 High casting Stainless Steel coupling with ss handle