Thick-walled straight seam steel pipe plays an important role in people's way of life and some things, but maintenance and maintenance has always been a headache. Let's see what maintenance and maintenance of thick walled straight seam steel pipe need to pay attention to! First, choose the right s

Spiral steel pipe is made by rolling low-carbon carbon structural steel or low-alloy structural steel strip into a tube blank at a certain spiral angle (called forming angle), and then welding the tube seam together. It can be made with a narrower strip Steel produces large diameter steel pipes. Its