Electric Resistance Welded Steel Pipe Usage:Used for low pressure liquid delivery, such as water, gas, and oil. Oil drilling and machinery manufacturi ...Explore More
Longitudinal Submerged-Arc Welded Steel Pipe Process:LSAW - UO(UOE)、RB(RBE)、JCO(JCOE,COE) DSAW -Double Submerged arc welded Explore More
