ASTM A53 seamless steel pipe refers to the foreign standard steel tube brand, that is, the United States sign number. A53-f corresponds to domestic q235 material, a53-a corresponds to domestic 10# material, and a53-b corresponds to domestic 20# material. The ASTM A53 seamless steel pipe is delivered in the hot-rolled ASTM A53 seamless steel pipe or heat-treated ASTM A53 seamless steel pipe condition; The production process of hot rolled ASTM A53 seamless steel pipe: billet, heating, perforation, three-roller skew rolling, continuous rolling, tube-taking, sizing, cooling, straightening, hydraulic test, marking, the entry lever effect ASTM A53 seamless steel pipe, will be detected.
The production process of cold drawing ASTM A53 seamless steel pipe: billet, heating, piercing, punching, annealing, pickling, oil painting, multi-pass cold drawing, heat treatment, straightening, hydraulic test, marking, storage. In terms of wall thickness, cold drawn ASTM A53 seamless steel pipe has better surface roughness than hot-rolled ASTM A53 seamless steel pipe.
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