
Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521

Keywords :Hot-rolled seamless steel pipe Update : 2026-10-28 View(s) : 17
Hot-rolled seamless steel pipes are widely used in oil and gas transportation, power generation, petrochemical processing, and mechanical engineering. Unlike welded pipes, they are formed from solid steel billets without a longitudinal weld seam, providing consistent material integrity and...

Keywords :Hot-Rolled Seamless Steel Pipes Update : 2026-10-27 View(s) : 25
Large-diameter hot-rolled seamless steel pipes are widely used in oil and gas, power generation, petrochemical, infrastructure, and industrial fluid transportation systems. Produced by heating, piercing, and rolling steel billets, they have no longitudinal weld seam, which can support cons...

Keywords :hot-rolled seamless steel pipes (20#, 45#, 16Mn) Update : 2026-10-26 View(s) : 36
Selecting the right material for hot-rolled seamless steel pipes is essential for strength, toughness, weldability, and cost control. Common Chinese grades 20#, 45#, and 16Mn serve different applications. 20# is a low-carbon steel with good plasticity and weldability, suitable for general...

Keywords :API 5CT casing Update : 2026-10-23 View(s) : 65
API 5CT casing is essential for wellbore stability, formation isolation, and safe drilling and production. End sizing and controlled thermal processing are two manufacturing steps that help meet its dimensional and mechanical requirements. End sizing controls outside diameter, roundness, ...

Keywords :L80 casing steel pipe Update : 2026-10-22 View(s) : 65
API 5CT L80 casing steel pipe is widely used in deep oil and gas wells requiring a suitable balance of strength and controlled material properties. L80 casing supports wellbore integrity by resisting axial tension, external collapse, internal burst, and combined downhole loads. Available ...