S500MC straight seam steel pipe, as a high-strength low-alloy structural steel material, has seen increasingly widespread application in China's industrial sector in recent years. This steel pipe plays a vital role in building structures, machinery manufacturing, and bridge engineering due to its ex

Q390E cold-drawn seamless steel pipe, as a high-strength low-alloy structural steel material, has broad application prospects in the industrial field. This type of steel pipe is made from high-quality Q390E steel through a cold-drawing process, possessing high strength, good plasticity and toughness

X90Q seamless steel pipe, as a high-performance oil and gas transmission pipe, has received considerable attention in the field of energy infrastructure construction in recent years. This type of steel pipe, with its excellent mechanical and weldability properties, has become one of the preferred ma

First, the Material Characteristics and Chemical Composition of Q345E Seamless Square and Rectangular Steel Pipes.Q345E seamless square and rectangular steel pipes use low-alloy high-strength structural steel Q345E as the core material, with strict control over its chemical composition:Carbon: ≤0.18