Seamless pipe is manufactured by extruding the metal to the desired length; therefore ERW pipe have a welded joint in its cross-section, while seamless pipe does not have any joint in its cross-section through-out its length. In Seamless pipe, there are no welding or joints and is manufactured from solid round billets. ERW GP Pipes are used in buildings in the mountainous and coastal regions because of their strength and resistance to corrosion and rust.

Sizes Range
O.D. 1/2″ – 8″ (Thickness A/B/C Class)
O.D. 1/2″ – 8″ (SCH 40/80 Pipes)
Grades / Specifications
BS 1387-1985 A,B,C Class
ASTM A53 GR A/B, API 5L GR B/ASTM A106