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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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The difference between submerged arc welded spiral steel pipe and straight seam high frequency welde

The difference between submerged arc welded spiral steel pipe and straight seam high frequency welde

Keywords :The difference between submerged arc welded spiral steel pipe and straight seam high frequency welde        Update : 2023-07-12        View(s) : 1

The submerged arc welding spiral steel pipe uses continuous welding wire as the electrode and filler metal. During work, a layer of granular flux is covered in the welding area. The arc of the large-diameter spiral pipe burns under the flux layer to melt the end of the welding wire and the local...

Uneven thickness of the anti-corrosion coating on spiral steel pipe and its treatment

Uneven thickness of the anti-corrosion coating on spiral steel pipe and its treatment

Keywords :Uneven thickness of the anti-corrosion coating on spiral steel pipe and its treatment        Update : 2023-07-10        View(s) : 482

Spiral steel pipes are mainly used as fluid pipes and piling pipes. If the steel pipes are used for running water after they are made, they will generally be treated with anti-corrosion treatment on the inner or outer surfaces. The general anti-corrosion methods include 3pe anti-corrosion, epoxy...

Manufacturing Technology of Large Diameter Longitudinal Submerged Arc Welded Steel Pipe

Manufacturing Technology of Large Diameter Longitudinal Submerged Arc Welded Steel Pipe

Keywords :Manufacturing Technology of Large Diameter Longitudinal Submerged Arc Welded Steel Pipe        Update : 2023-07-06        View(s) : 407

Large-diameter straight seam submerged arc steel pipes are mainly responsible for pipeline transportation of marine and land oil and gas, oil and natural gas, coal and ore pulp, etc., especially suitable for the "West-to-East Gas Transmission" project currently under construction in my country, ...

Comparison of technical characteristics of spiral welded pipe and straight seam welded pipe

Comparison of technical characteristics of spiral welded pipe and straight seam welded pipe

Keywords :Comparison of technical characteristics of spiral welded pipe and straight seam welded pipe        Update : 2023-07-04        View(s) : 686

1. Metallurgical properties of materials Longitudinal submerged arc welded pipes are produced from steel plates, while spiral welded pipes are produced from hot rolled coils. The rolling process of the hot-rolled strip mill has a series of advantages and can obtain the metallurgical process fo...

What should be paid attention to in the construction of steel pipe piles

What should be paid attention to in the construction of steel pipe piles

Keywords :What should be paid attention to in the construction of steel pipe piles        Update : 2023-06-30        View(s) : 550

The construction quality of steel pipe piles is related to the stability of buildings, so some details must be paid attention to during the construction of steel pipe piles . Precautions for the construction of steel pipe piles mainly include: 1. The steel pipe pile needs to be measured and ...

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