The high frequency longitudinal resistance welded pipe production
line mainly produces electric resistance welded (HFW) longitudinal
steel pipe. Two sets of machine unit for Φ60～Φ168mm and Φ219～Φ508mm
HFW steel pipe have an annual production volume 200,000 tons. HFW
steel pipe is mainly used for pipeline transport project, such as
oil, natural gas, petroleum products, ore slurry, tap water and
steam heating system and professional supporting supplies in
mechanical manufacturing industry.