The Features of Seamless steel pipe

　　Sch 40 Alloy Hot Rolling Seamless Steel pipe belonging to American Standard, A106 including GrA and GrB. The former is equivalent to the domestic 10 # material. GrB is equivalent to the domestic 20 # material. Grb is one of the commonly used materials. ASTM A106 seamless steel pipe, including cold drawing and hot rolling two processes. In addition to the different production processes, the two in accuracy, surface quality, minimum size, mechanical properties, organizational structure are different. Widely used in petroleum, chemical, boiler, power station, shipbuilding, machinery manufacturing, automotive, aerospace, energy, geology, construction and military industries.