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Quality identification of spiral steel pipes
1. The trademarks and printing of high-quality tubes are relatively standard. 2. The composition of high-quality steel is uniform, the tonnage of the cold shear machine is high, and the end face of the cutting head is smooth and regular. However, due to poor raw materials, the end face of the cut...Read more -
The problem of uneven thickness of anti-corrosion coating on spiral steel pipes and how to deal with it
Spiral steel pipes are mainly used as fluid pipes and piling pipes. If the steel pipe is used for water drainage, it will generally undergo anti-corrosion treatment on the inner or outer surface. Common anti-corrosion treatments include 3pe anti-corrosion, epoxy coal tar anti-corrosion, and epoxy...Read more -
Anti-corrosion painting and development analysis of straight seam steel pipes
The performance and functions of the original color straight seam steel pipe in the specific use process fully demonstrate the operational contribution and usability. After painting and spraying white letters, the straight seam steel pipe also looks very energetic and beautiful. Now Pipe fittings...Read more -
What are the differences between the surface processing of spiral steel pipe and stainless steel pipe
Let’s first talk about the original surface of the stainless steel pipe: NO.1 The surface that is heat treated and pickled after hot rolling. Generally used for cold-rolled materials, industrial tanks, chemical industry equipment, etc., with thicker thicknesses ranging from 2.0MM-8.0MM. Blunt sur...Read more -
Thermal expanded seamless steel pipe details
Thermal expansion seamless steel pipe is what we often call thermal expansion pipe. Steel pipes with relatively low density but strong shrinkage (seamless steel pipe) can be referred to as thermal expansion pipes. A rough pipe finishing process that uses cross-rolling or drawing to enlarge the di...Read more -
What is an ERW steel pipe
What is an ERW steel pipe? The biggest difference between ERW steel pipe (Electric Resistance Welding, abbreviated as ERW) and seamless steel pipe is that ERW has a weld seam, which is also the key to the quality of ERW steel pipe. Modern ERW steel pipe production technology and equipment, due to...Read more