Carbon steel pipe automatic welding machine

http://www.tube-mill-line.com/Carbon-steel-pipe-automatic-welding-machine-products.html Description We are renowned for our carbon steel automatic pipe welding machine which is to produceΦ15-Φ63.5mm and δ0.8-2.5mm high-frequency straight seam welded pipe, square pipe and special-shaped pipe (δ≤2.0mm). Features 1.Our products are endowed with high quality and less weld metal required. 2.Our automatic pipe welding machines are steady, durable and with long working life, because