STANDARDS:ASTM/ASME, GB, DIN, JIS, T14975, etc.

STANDARDS: ASTM / ASME, GB, DIN, JIS, T14975, etc. 

SPECIFICATION:  

 O.D: 4/5"*4/5'' - 12"*12'' (inch)  (20*20 - 300*300 mm)

 W.T: SCH5S, SCH10S,SCH40S,SCH80S,SCH160S, etc. (0.5 - 16 mm)

 Or non-regular size to be tailored as required.