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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...

Testing methods for plastic-coated steel pipes

Testing methods for plastic-coated steel pipes

Keywords :Testing methods for plastic-coated steel pipes        Update : 2023-10-30        View(s) : 432

Plastic-coated steel pipes not only have the advantages of steel pipes such as high strength, easy connection, and resistance to water flow impact, but also overcome the shortcomings of steel pipes that are prone to corrosion, pollution, and scaling when exposed to water, as well as the low stre...

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...

What properties should the anti-corrosion layer of steel pipes have

What properties should the anti-corrosion layer of steel pipes have

Keywords :What properties should the anti-corrosion layer of steel pipes have        Update : 2023-10-26        View(s) : 491

The anti-corrosion layer of steel pipes should have the following properties: (1) Effective electrical insulation. (2) It has good moisture-proof and waterproof properties. (3) It has strong mechanical strength. (4) The anti-corrosion layer has good adhesion to the steel surface. (5) T...

Acceptance standards and methods for spiral steel pipes

Acceptance standards and methods for spiral steel pipes

Keywords :Acceptance standards and methods for spiral steel pipes        Update : 2023-10-25        View(s) : 483

1. Principles for acceptance of spiral steel pipes : The quality inspection and acceptance of spiral welded pipes should be carried out by the supplier’s technical quality supervision department. The supplier must ensure that the delivered spiral welded pipes comply with the requirements of the c...

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