Real CS Seamless Pipes Thickness SCH30,SCH40, SCH80, SCH160 And So On, Standards /ASTM/API 5L/API 5CT, DIN, And JIS. Type Seamless ITEM O.D SCH40 (6m) Wt/piece Wt/meter (mm) Thickness (kg) (kg) 1/4" 13.7 2.24 3.79 0.632 3/8" 17.1 2.31 5 ...Read More