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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) : 589

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) : 573

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...

Horizontal fixed welding of thick-walled stainless steel pipes

Horizontal fixed welding of thick-walled stainless steel pipes

Keywords :Horizontal fixed welding of thick-walled stainless steel pipes        Update : 2023-08-03        View(s) : 1

Stainless steel pipe is a hollow long strip of steel, which is widely used as a pipeline for transporting fluids, such as oil, natural gas, water, gas, steam, etc. Stainless steel pipes are lighter in weight when they have the same bending and torsional strength. They are widely used in the manu...

Calculation method of length and height of steel elbow and blanking length of steel elbow

Calculation method of length and height of steel elbow and blanking length of steel elbow

Keywords :Calculation method of length and height of steel elbow and blanking length of steel elbow        Update : 2023-08-02        View(s) : 791

The calculation method of the length and height of the steel elbow and the blanking length of the steel elbow are questions that many buyers want to ask. The experience of teaching the basic knowledge of the steel elbow has summarized the calculation method in detail. 1. 1.5 times the cente...

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