... China. 2,advanced testing equipment. 3,competitive price . stainless steel pipe 3091.ASTM,DIN,JIS,EN,KS,ASMEASTM (ASME) SA ... polish;3. Technical: cold rolled,cold drawn,hot rolled.4. Chemical and Physical characteristic: durable, corrosion resistant and high-temperature resistant;5. Appilication ... piece then packed in seaworthy --wooden cases or as request. High quality 309 stainless steel pipe