non magnetic steel pipe 1)O.D:6-630MM 2)W.T.:1-40MM 3)Standards:ASTM, ... JIS,GB,ect, 4)Materials:300series non magnetic steel ... , 310S(2520), 347, Duplex 2205, Duplex 2207, etc. SPECIFICATION: O.D: 1/4" - 25" (inch) (6-630 mm) W.T: SCH5S ... our quality,Welcome to contact us for further information. non magnetic steel pipe