... leading maunfacture .Duplex stainless steel pipeStandards:ASTM A312,ASTM A213,ASTM A269 , ASTM A789,DIN17456,DIN17458, EN10216-5Steel Grade: 304, 304L, ... 310S, 316,316L , 317L, 321,904,S31803,S31500,S32750 Outside Diametre:6mm - 700mm (stainless steel seamless pipe ... for your attention and sorry for disturb . Duplex stainless steel pipe Duplex stainless steel pipe 201