Abstract : In order to meet the manufacturing requirements of ultra-supercritical power plant boiler superheaters and reheaters, BBN Iron and Steel Co., Ltd. developed 07Cr25Ni21NbN (TP310HCbN/s31042) austenitic heat-resistant seamless steel pipes […]
Development of 07Cr25Ni21NbN austenitic heat-resistant seamless steel pipe
2023-03-17 17:12:23
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Research on heat treatment process of 15NiCuMoNb5-6-4 seamless steel pipe
2023-03-17 17:12:02
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Abstract In this paper, the effect of heat treatment process on the properties of 15NiCuMoNb5-6-4 is studied . It is found that with the increase of tempering temperature, the hardness first decreases and then increases, and the strength gradually decreas […]
Hot extrusion + cold rolling manufacturing 022Cr25Ni7Mo4N
2023-03-17 10:27:27
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Abstract: Super duplex stainless steel 022Cr25Ni7Mo4N seamless steel pipes have long relied on imports. In order to achieve the goal of localization of such steel pipes, BBN STEEL Co., Ltd. The hot working, cold working and solution heat treatment process […]
Improving the Impact Toughness of A333Gr. 3 Seamless Steel Tube for Low Temperature
2023-03-17 10:20:43
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In order to improve the impact toughness of A333Gr. 3 seamless steel pipes for low temperature, the chemical composition, harmful elements, gas content, mechanical properties as rolled, metallographic structure and mechanical properties after heat treatme […]
Study on Microstructure and Properties of P91 Tube Blank for High Pressure Boiler Seamless Steel Tube
2023-03-17 10:07:06
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Abstract: This topic analyzes and studies the low magnification, inclusions, microstructure, thermal compression deformation behavior and normal temperature mechanical properties of P91 tube blank samples. […]
