(1) Specification: O.D 88.9mm - 610mm ( 3''-24'').
(2) Standard : ASTM A53/106/API 5L GR. B.
(3) Technics : hot rolled.
(4) packing : Paint Varnish Coating , Plastic Caps and markings on the pipe.
(5) Tolerance: OD ±1%
Thickness +12.5% / -10%
Length ±2 cm