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 :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,...
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...
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...
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...
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...