... .We can be customized for clients spcial specification and special material products.The exact information about stainless steel metal expansion joints ... the customers with perfect technical support5, Detection equipment is complete1,Material: stainless steel 304, 316 L, 321,, etc 2,Specifications :DN10 ... - 196~700 Deg.C Standard AISI,ASTM,DIN,GB,JIS,EN Etc Thickness 0.3-1.5mm Welding Line Type Spiral ...