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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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Briefly describe the difference between cold-drawn steel pipe and hot-rolled steel pipe

Briefly describe the difference between cold-drawn steel pipe and hot-rolled steel pipe

Keywords :Briefly describe the difference between cold-drawn steel pipe and hot-rolled steel pipe        Update : 2023-02-21        View(s) : 448

The difference between hot working and cold working: hot rolling is hot working, and cold drawing is cold working. The main difference: hot rolling is rolling above the recrystallization temperature, cold rolling is rolling below the recrystallization temperature; cold rolling sometimes has heating,...

What are the connection methods of seamless steel pipes

What are the connection methods of seamless steel pipes

Keywords :What are the connection methods of seamless steel pipes        Update : 2023-02-17        View(s) : 470

1. Compression type: Insert the pipe into the nozzle of the pipe fitting, fasten it with a nut, and use the screw force to compress the sleeve at the nozzle through the sealing ring, which acts as a seal and completes the connection of the pipe. 2. Welding type: The end of the pipe is processed wi...

Heat Treatment Technology of Oil Casing

Heat Treatment Technology of Oil Casing

Keywords :Heat Treatment Technology of Oil Casing        Update : 2023-02-15        View(s) : 463

After the oil casing adopts this heat treatment method, it can effectively improve the impact toughness, tensile strength, and anti-destruction performance of the oil casing, ensuring a good value in use. Oil casing is a necessary pipe for drilling oil and natural gas, and it must have good perf...

How to prevent the spiral steel pipe from being damaged during transportation

How to prevent the spiral steel pipe from being damaged during transportation

Keywords :How to prevent the spiral steel pipe from being damaged during transportation        Update : 2023-02-13        View(s) : 1

1. The fixed-length spiral steel pipe may not be bundled. 2. If there are threaded buckles at both ends of the spiral steel pipe, it should be protected by a thread protector. Apply lubricating oil or anti-rust agent to the threaded fasteners. Both ends of the spiral steel pipe are breached...

Two points are distinguished for straight seam steel pipes

Two points are distinguished for straight seam steel pipes

Keywords :Two points are distinguished for straight seam steel pipes        Update : 2023-02-09        View(s) : 422

1. Distinguish straight seam steel pipes according to the outer diameter The outer diameter between φ4.76-φ12.70 mm is fine-diameter straight seam steel pipe; the outer diameter between φ13-φl14 mm is small-diameter straight-seam steel pipe; the outer diameter is between φ114-φ406 mm is medium...

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