... ,316Ti,321,347H,310S,317L 2.Standard: ASTM / ASME/DIN/GB/EN/JISG ProductionASTM A312 Welded Stainless Steel Pipe(304,316L,321 ... ,310S) BrandTPCO SpecificationNPS: 1/8" to 16" Standard GB, ASTM,EN,DIN ... as clients reqestments. Loadin 20',40' container or in bulk ASTM A312 Stainless Steel welded Pipe