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News
How to stack spiral steel pipes correctly
Views: 196 Sep 22 , 2022
How to stack spiral steel pipes correctly
The spiral steel pipes produced by the spiral steel pipe factory are generally produced in large quantities, and the production specifications are various. How should the produced spiral steel pipes be stacked? Correctly stacking the spiral steel pipe is conducive to protecting the...
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Spiral steel pipe dredging common problems
Views: 169 Sep 21 , 2022
Spiral steel pipe is a spiral seam steel pipe made of strip steel coil as raw material, often warmly extruded, and welded by automatic double-wire double-sided submerged arc welding process. The spiral steel pipe feeds the strip into the welded pipe unit. After rolling by multiple rollers, the strip is gradually rolled up to form a...
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Will the use of the spiral steel pipe be affected after repair?
Views: 154 Sep 19 , 2022
Will the use of the spiral steel pipe be affected after repair?
In practice, such a situation often occurs. Although the worn spiral steel pipe has been repaired and restored to its original size, shape and matching properties, the equipment still cannot reach the original technical performance after assembly. Usually,...
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Spiral steel pipe welding quality standard
Views: 154 Sep 14 , 2022
Spiral steel pipe is a spiral seam steel pipe made of strip steel coil as raw material, often warmly extruded, and welded by automatic double-wire double-sided submerged arc welding process. The spiral steel pipe feeds the strip into the welded pipe unit. After rolling by multiple rollers, the strip is gradually rolled up to form a...
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What happens to the hardness of seamless steel pipes after annea
Views: 143 Sep 09 , 2022
What happens to the hardness of seamless steel pipes after annealing? Increase or decrease?
Most of the seamless steel pipes are produced by cold-drawing and hot-rolling processes. Cold-drawn seamless steel pipes are mostly produced by the combined process of cold-drawing and cold-rolling. Cold-drawn steel pipes are more accurate in...
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Teach you how to distinguish seamless steel pipe models
Views: 145 Sep 07 , 2022
Seamless steel pipe is a steel pipe made of whole round steel pierced without welded seams on the surface, called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe,...
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Learn more about the classification and use of seamless steel pi
Views: 140 Sep 02 , 2022
The use and classification of seamless steel pipe Seamless steel pipe is a round, square, rectangular steel with a hollow section and no joints around it. Seamless steel pipes are made of steel ingots or solid tube blanks through perforation to make capillaries, which are then hot-rolled, cold-rolled or cold-drawn.
Uses: Seamless...
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What problems should be paid attention to when using seamless st
Views: 125 Sep 01 , 2022
The seamless steel pipe generally loses its bearing capacity at a temperature of 450~650 °C, and a very large deformation occurs, resulting in the bending of steel beams and steel columns. As a result, it cannot be used again due to excessive deformation. The fire resistance rating of the steel pipe is about 15 minutes.
The...
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Seamless steel pipe wall thickness detection method
Views: 129 Aug 30 , 2022
In the production process of seamless steel pipes, there is a certain range of wall thickness. We need to detect the wall thickness of seamless steel pipes. There are two methods for wall thickness detection, one is ultrasonic thickness measurement, the other is Laser thickness measurement.
Ultrasonic thickness measurement
The...
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Why should pipe ends be thickened during production of petroleum
Views: 144 Aug 23 , 2022
Petroleum steel pipe is a kind of long steel with hollow section and no joints around it, and petroleum cracking pipe is an economical section steel. Function: Widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle frames and steel scaffolding used in...
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