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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

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Stainless steel pipe welding precautions

Stainless steel pipe welding precautions

Keywords :Stainless steel pipe welding precautions        Update : 2023-06-16        View(s) : 278

1. The power supply with vertical external characteristics is adopted, and the positive polarity is used for DC (the welding wire is connected to the negative pole). 2. It is generally suitable for welding thin plates below 6mm. It has the characteristics of a beautiful weld shape and small wel...

Non-destructive testing of steel pipe fittings and steel flanges

Non-destructive testing of steel pipe fittings and steel flanges

Keywords :Non-destructive testing of steel pipe fittings and steel flanges        Update : 2023-06-14        View(s) : 277

1. Tees, crosses, press-formed reducers, and pipe caps formed by the direct cutting of bars of all material categories shall be non-destructively tested one by one; among them, carbon steel, alloy steel, and low-temperature steel shall be tested according to NB/T47013.4 or related specifications for...

Stainless steel pipe processing application requirements

Stainless steel pipe processing application requirements

Keywords :Stainless steel pipe processing application requirements        Update : 2023-06-12        View(s) : 245

Precision stainless steel tubes are very characteristic in terms of model specifications and appearance performance. First of all, the thicker the tube wall of this type of stainless steel tube, the higher its cost performance and practicability, and the thinner the tube wall, the processing cos...

Stainless steel elbow features

Stainless steel elbow features

Keywords :Stainless steel elbow features        Update : 2023-06-08        View(s) : 1

1. Stainless steel stamping elbows will not produce corrosion, pitting, rust, or wear. Stainless steel is also the strongest material among metal materials for construction. 2. Stainless steel pipe fittings have excellent corrosion resistance. The thin and strong oxide film on the surface of st...

What is the heat treatment process of large-diameter steel pipes

What is the heat treatment process of large-diameter steel pipes

Keywords :What is the heat treatment process of large-diameter steel pipes        Update : 2023-06-06        View(s) : 272

(1) During the heat treatment process, the cause of the geometric change of the large-diameter steel pipe is the heat treatment stress. Heat treatment stress is a relatively complicated issue. It is not only the cause of defects such as deformation and cracks but also an important means to impro...

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