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Chemical Composition and Mechanical Properties
A53B Seamless Steel Pipe, produced in accordance with ASTM A53 standard, is a set of specifications for welded and seamless steel pipes without coating and hot-dip galvanized, established by the American Society for Testing and Materials (ASTM). The pipe is highly regarded worldwide for its excellent performance features. Its chemical composition is precisely controlled, including carbon content not exceeding 0.30%, manganese content not exceeding 1.20%, phosphorus, sulfur, copper, nickel, chromium, molybdenum, and vanadium content all meeting strict standards, ensuring high strength and good corrosion resistance of the pipe.
In terms of mechanical properties, the tensile strength of A53B seamless steel pipe is no less than 415 MPa, and the yield strength is no less than 240 MPa, which are far higher than the standards of general steel pipes, making it able to withstand greater pressure and impact force. At the same time, the steel pipe also has good toughness and wear resistance, allowing it to operate stably for a long time in harsh working conditions.
Production Process
Hot-rolled seamless steel pipe production process: tube billet → heating → perforation → three-roll skew rolling, continuous rolling → tube stripping → sizing → Cooling → straightening → hydraulic test → marking → lever effect seamless steel pipe in storage will be detected.
Cold-drawn seamless steel pipe production process: tube blank → heating → perforation → heading → annealing → pickling → oiling → multi-pass cold drawing → Blank tube → Heat treatment → straightening → hydraulic test → marking → storage.
Product Application
1. Construction: Underground pipeline transportation, groundwater extraction, boiler hot water transportation, etc.
2. Machinery: Machining, bearing sleeve, machining machinery accessories, etc.
3. Electrical: Gas transmission, water power generation fluid pipeline.
4. Wind power plant anti-static pipe, etc.
ASTM A53B is suitable for applications under moderate pressure and temperature conditions, such as oil, gas, steam, and water transportation.
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