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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: 410116

Phone:0086-731-8873-9521  

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Hot-Rolled Seamless Steel Pipes

Specifications and Procurement Points for Large-Diameter Hot-Rolled Seamless Steel Pipes

Keywords :Hot-Rolled Seamless Steel Pipes        Update : 2026-10-27        View(s) : 18

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...

hot-rolled seamless steel pipes (20#, 45#, 16Mn)

Comparison of materials and properties of hot-rolled seamless steel pipes (20#, 45#, 16Mn)

Keywords :hot-rolled seamless steel pipes (20#, 45#, 16Mn)        Update : 2026-10-26        View(s) : 30

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...

API 5CT casing

What is the role of end sizing and heat recovery processes in API 5CT casing?

Keywords :API 5CT casing        Update : 2026-10-23        View(s) : 63

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, ...

L80 casing steel pipe

What are the applications and advantages of L80 casing steel pipe in deep wells?

Keywords :L80 casing steel pipe        Update : 2026-10-22        View(s) : 64

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 ...

CASING PIPE oil and gas

SSC Testing and Acid Service Requirements for Bushings: NACE MR0175 Compliance Points

Keywords :CASING PIPE oil and gas        Update : 2026-10-21        View(s) : 73

Bushings in oil and gas equipment such as drilling assemblies, pumps, and valves face sulfide stress cracking (SSC) risk in H₂S-containing sour service environments. SSC is environmentally assisted cracking driven by tensile stress, excessive hardness, unsuitable microstructure, H₂S partia...

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