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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) : 832

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,...

Why does precision steel pipe production need pickling

Why does precision steel pipe production need pickling

Keywords :Why does precision steel pipe production need pickling        Update : 2023-02-20        View(s) : 843

The role of pickling passivation in the process of prefabrication, welding, testing, and heat treatment, will make the surface of the steel pipe (carbon steel pipe, carbon copper pipe, stainless steel pipe) accumulate iron oxide, welding slag, grease, and other dirt so that the corrosion resista...

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) : 918

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...

Cooling form and construction introduction of large diameter steel pipe

Cooling form and construction introduction of large diameter steel pipe

Keywords :Cooling form and construction introduction of large diameter steel pipe        Update : 2023-02-16        View(s) : 770

Cooling form of large diameter steel pipe : Large-diameter steel pipes are steel pipes with an outer diameter of 1000MM or more. Large-diameter seamless steel pipes are made of steel ingots or solid tube blanks that are perforated into capillaries, and then hot-rolled, cold-rolled, or cold-draw...

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) : 868

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...

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