ASTM A268/A268M standard specification for seamless and welded ferritic and martensitic stainless steel tubing 

Recently we just finish project for ASTM A268, TP420 ( SUS420J2 ) cold drawn ( rolled ) stainless seamless steel tube, small size in annealed state, OD 19.05 * WT 0.8mm * L11600mm

TP420 stainless steel tubes under cold drawn processing

TP420 stainless seamless steel tubes done pickled, straightened, packed in plywood case.