The petroleum cracking pipe is used as the furnace tube, heat exchanger tube and pipelines in petroleum refineries. Generally, it is made of high-quality carbon steel (10, 20), alloy steel (12CrMo, 15CrMo), heat-resistant steel (12Cr2Mo, 15Cr5Mo), stainless steel (1Cr18Ni9, 1Cr18Ni9Ti).
The HP fertilizer pipe is a kind of steel pipe used for fertilizer production and transport, and has the characteristics of high strength, high corrosion resistance, etc. Its production process covers the steps such as tube blank inspection, peeling, heating, perforation, pickling, cold drawing, solid solution treatment, pickling passivation, etc.
The structural pipe is a kind of seamless steel pipe used on general structures and mechanical structures, and suitable for conveying fluid.
The oil casing is mainly used for oil & gas well drilling and oil & gas transport.
All rights reserved©2022 Tianjin Tengfei Steel Pipe Co., Ltd. www.300.cn |SEO Tags