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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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Method for straightening straight seam steel pipe

Method for straightening straight seam steel pipe

Keywords :Method for straightening straight seam steel pipe        Update : 2023-11-08        View(s) : 450

First, the straight seam steel pipe is bent in the same direction as the weld Reason: Insufficient normalizing of the weld seam, thermal stress exists on the side of the pipe close to the weld seam, so it will bend in one direction after cooling. Solution: 1...

The anti-corrosion structure and advantages of 3PE anti-corrosion steel pipe

The anti-corrosion structure and advantages of 3PE anti-corrosion steel pipe

Keywords :The anti-corrosion structure and advantages of 3PE anti-corrosion steel pipe        Update : 2023-11-06        View(s) : 1

1. Anti-corrosive structure of 3PE anti-corrosive steel pipe 3PE anti corrosion generally consists of three layers: the first layer of epoxy powder (FBE>100um), the second layer of adhesive (AD) 170~250um, and the third layer of polyethylene (PE) 2.5~3.7mm. In actual operat...

Straight seam steel pipe acceptance steps

Straight seam steel pipe acceptance steps

Keywords :Straight seam steel pipe acceptance steps        Update : 2023-11-02        View(s) : 591

1. The approval procedure for batch acceptance of straight seam steel pipes should meet the corresponding product standards. 2. Straight seam steel pipes should meet the corresponding product standards, including inspection items, sampling quantity, sampling location, and test methods. With...

Precautions when welding spiral steel pipe

Precautions when welding spiral steel pipe

Keywords :Precautions when welding spiral steel pipe        Update : 2023-10-31        View(s) : 465

It is imperative to weld and cut the spiral steel pipe structure in the application of spiral steel pipe. Because of the characteristics of the spiral steel pipe itself, the welding and cutting of the spiral steel pipe have its particularity compared with ordinary carbon steel, and it i...

Precautions for welding stainless steel pipe fittings

Precautions for welding stainless steel pipe fittings

Keywords :Precautions for welding stainless steel pipe fittings        Update : 2023-10-27        View(s) : 1

1. To prevent corrosion due to heating, the welding should not be too long, which is about 20% less than that of carbon steel electrodes. The arc should not be too long, and the layers will cool quickly. A narrow weld bead is preferred. 2. Stainless steel pipe fittings harden quickly after wel...

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