Method of straightening straight seam steel pipe:1. The straight seam steel pipe bends in the same direction as the weldReason: Insufficient normalizing of the weld seam, thermal stress exists on the side of the pipe close to the weld seam, so it will bend in one direction after cooling.Solution: 1.

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

Seamless steel pipes are widely used.1. General-purpose seamless steel pipes are rolled from ordinary carbon structural steel, low-alloy structural steel, or alloy structural steel, and have the largest output. They are mainly used as pipelines or structural parts for conveying fluids.2. According t