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Spiral submerged arc welded steel pipe

Spiral submerged arc welded steel pipe

Keywords :Spiral submerged arc welded steel pipe        Update : 2023-08-10        View(s) : 535

Commonly used steel pipe introduction - spiral submerged arc welded steel pipe The strip steel is bent into a spiral shape, and the inner seam and outer seam are welded by submerged arc automatic welding to form a spiral seam steel pipe. It can be widely used in the production of large-diameter ...

Coated steel pipe

Coated steel pipe

Keywords :Coated steel pipe        Update : 2023-08-09        View(s) : 565

Coated steel pipes are formed by coating plastic based on large-diameter spiral welded pipes and high-frequency welded pipes, with a maximum diameter of 1200mm. Coated steel pipes can be coated with polyvinyl chloride (PVC), polyethylene (PE) according to different needs, epoxy resin (EPOZY), an...

Requirements for non-destructive testing of seamless steel pipes and spiral steel pipes

Requirements for non-destructive testing of seamless steel pipes and spiral steel pipes

Keywords :Requirements for non-destructive testing of seamless steel pipes and spiral steel pipes        Update : 2023-08-08        View(s) : 505

The non-destructive testing methods for steel pipes mainly include ultrasonic testing, radiographic testing, eddy current testing, magnetic particle testing, and penetrant testing. Multi-Use Ultrasonic Detection Ultrasonic flaw detection has a high sensitivity to area-type defects inside the ste...

Precautions for welding stainless steel pipe fittings

Precautions for welding stainless steel pipe fittings

Keywords :Precautions for welding stainless steel pipe fittings        Update : 2023-08-07        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. 2. Stainless steel pipe fittings harden quickly after welding, which is easy to crack. If it is welded with typical stainless steel pipe fittings, it mus...

The difference between cast steel flange and forged steel flange

The difference between cast steel flange and forged steel flange

Keywords :The difference between cast steel flange and forged steel flange        Update : 2023-08-04        View(s) : 501

The cast steel flange has an accurate blank shape and size, a small processing amount, and low cost, but has casting defects (pores, cracks, inclusions); the internal structure of the casting is poorly streamlined (if it is a cutting part, the streamlined form is even worse); Forged steel f...

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