Surface processing of spiral steel pipeThe surface treatment of spiral steel pipes mainly uses wire brushes and other things to polish the surface of the steel, which can remove loose or warped oxide scale, rust, welding slag, etc. Hand-operated tools can reach Sa2 level for rust removal, and power

Product: Stainless Steel Pipe. Standard: ASTM A312. Material: 304. To cooperate with threeway for more than 10 years, which fully reflects the customer's 100% trust in us and also verifies the product quality of Threeway. Threeway Steel devoted ourselves in the industrial steel pipe manufacturing. T

Comparison of advantages and disadvantages of welded seams between spiral steel pipes and straight seam steel pipesThe weld seam of the spiral steel pipe is longer than that of the straight seam steel pipe. If the pipe length is L, the weld seam length is L/cos(θ). The vast majority of steel pipe de

Advantages of anti-corrosion steel pipe1. Combine the mechanical strength of the steel pipe with the corrosion resistance of the plastic;2. The outer wall coating is more than 2.5mm, resistant to scratches and bumps;3. The inner wall friction coefficient is small, 0.0081-0.091, which reduces energy