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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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How to check the quality of large-diameter thin-walled steel pipes

How to check the quality of large-diameter thin-walled steel pipes

Keywords :How to check the quality of large-diameter thin-walled steel pipes        Update : 2023-04-19        View(s) : 290

1. Generally, large-diameter thin-walled steel pipes are used for the transportation of general lower-pressure fluids such as water, gas, air, oil, and heating steam. 2. Ordinary carbon steel wire casing (GB3640-88) is a steel pipe used to protect wires in electrical installation projects s...

Straight seam steel pipe procurement method and processing method

Straight seam steel pipe procurement method and processing method

Keywords :Straight seam steel pipe procurement method and processing method        Update : 2023-04-17        View(s) : 294

Procurement method of straight seam steel pipe : 1. Purchasing needs to know the type of steel pipe 1) By type: straight seam steel pipe, seamless steel pipe, spiral steel pipe, etc. 2) Section shape classification of straight seam steel pipe classification: square pipe, rectangular pipe, o...

Commonly used coatings for steel pipeline anticorrosion

Commonly used coatings for steel pipeline anticorrosion

Keywords :Commonly used coatings for steel pipeline anticorrosion        Update : 2023-04-13        View(s) : 421

Anti-corrosion steel pipes have always been the most important part of various industrial engineering projects, but the selection of anti-corrosion coatings for steel pipes is a problem. Let's take a look at the commonly used coatings for steel pipe anti-corrosion. Epoxy anti-corrosion coat...

What are the processes of sawing off the spiral steel pipe

What are the processes of sawing off the spiral steel pipe

Keywords :What are the processes of sawing off the spiral steel pipe        Update : 2023-04-11        View(s) : 379

Do you know how the spiral steel pipe is sawed off? After a series of treatments such as forming, welding, and cooling, the spiral steel pipe still needs to be sawed. In this link, the length of the technical spare ruler directly affects the quality and sales of the finished welded pipe, so...

Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe weld

Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe weld

Keywords :Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe weld         Update : 2023-04-07        View(s) : 306

The weld seam of the spiral steel pipe is longer than that of the straight seam steel pipe. If the pipe length is L, the weld seam length is L/cos(θ). However, most of the defects of steel pipes are concentrated in the weld seam and the heat-affected zone. The long weld seam means that the proba...

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