2024-05-22 1. External folding characteristics: spiral layered folding on the outer surface of the steel pipe.cause:1) There are folds or cracks on the surface of the tube blank.2) The subcutaneous pores of the tube blank have serious subcutaneous inclusions.3) The surface of the tube blank is poorly cleaned o
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2024-05-21 API 5L PSL1, SEAMLESS STEEL PIPE PRICE LIST
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2024-05-21 STEEL PIPE STOCK FOR SALEWE-Hunan Great Steel Co., Ltd, engaged in the steel pipe industry for 30 years with rich experience and strong strengths.Now our company recently has a batch of high quality steel pipes in stock. Please check the quotation picture below. If you need it, please contact us.
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2024-05-21 The production process of straight seam welded steel pipes is relatively simple. The main production processes include high-frequency welded straight seam steel pipes and submerged arc welded straight seam steel pipes. Straight seam pipes have high production efficiency, low cost, and rapid developm
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2024-05-20 Droplets are high-temperature liquid metal droplets formed after melting the welding rod. The process of transitioning to the welding base material is called droplet transition. In this process, the excessive force of the droplet plays a decisive role. This force originates from a variety of physica
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2024-05-17 Stainless steel pipes have relatively high requirements when welding. During welding, they need to be able to penetrate deeply and not be doped with oxides. Moreover, there are three different welding techniques used. The effect is relatively good. 1. Because tungsten inert gas argon arc welding has
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2024-05-16 First, the advantages of epoxy powder coated steel pipes1. Excellent environmental performance: The hot-dip plastic process used in plastic-coated steel pipes for drainage does not contain harmful substances and meets environmental protection requirements. At the same time, it is recyclable, which i
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2024-05-15 What are steel pipe imperfections and steel pipe defects?- Steel pipe imperfection (English word imperfection) refers to the discontinuities or irregularities on the product that are detected according to the method given by the applicable standard.- Steel pipe defect (English word defect) refers to
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