For people who are often in contact with stainless steel water pipes, most people will choose to use the snap connection, ring pressure fittings this connection can be very strange. Some people also question why stainless steel water pipes can not be connected by means of thread, quick release, etc., but the choice of ring […]
In daily life, stainless steel pipe is not magnetic in fact is the basic common sense of life, let alone 304 stainless steel pipe, stainless steel pipe is magnetic or not is not a sentence to be able to say. As a very common material in life, 304 stainless steel pipe in the end there […]
The external execution standard of straight seam steel pipe of q345 is: gb709, and the internal execution standard is: gb/t1591-94. Due to the execution standard, such steel plate is allowed to be delivered with negative tolerance. The latest implementation standard is GB/T1591-2008. Another: Q345 straight seam steel pipe latest standard GB/T1591-2008 Compared with the old […]
Stainless steel pipe sandblasting is the process of cleaning and roughening the substrate surface through the impact of high-speed sand flow. Powered by compressed air, a high-speed spray beam is formed and the spraying material (copper ore, quartz sand, silicon carbide, iron sand, Hainan sand) is sprayed at high speed onto the surface of the […]
Steel pipe and human life, production activities are inseparable, steel pipe production in the steel industry occupies an irreplaceable position. From people’s daily utensils, furniture, water supply and drainage, gas supply, ventilation and heating facilities to the manufacture of various agricultural appliances, the development of underground resources, national defense and aerospace guns, bullets, missiles, rockets, […]
3PE coated steel pipe substrate material includes a spiral pipe, seamless and straight pipe joints. 3PE anti-corrosion seamless steel pipe substrate and molten plating liquid occurs in a complex physical and chemical reaction, the formation of a tightly structured zinc-iron alloy layer. The alloy layer is integrated with the pure zinc layer and the steel […]
1, along the spiral tube in different directions to take samples for tensile testing and impact testing, found that the yield limit and strength limit of the test in different directions is very small difference, generally only in the range of 5-10%, while the cvn value of different directions of specimens vary greatly, cvn value […]
Because of the large mass of spiral welded pipes, they must be stacked outdoors, but it is difficult to avoid being exposed to the sun and rain, so the problem of rust has been plaguing the storage time and conditions of spiral welded pipes. Therefore, it is necessary to provide a comprehensive answer to the […]
If oil is attached to the surface of the workpiece during heating, the thickness and composition of the oxide skin on the oil-attached part is different from that of the other parts, and carburization will occur. The part of the base metal under the oxide skin that is carburized will be seriously eroded by acid. […]
Spiral steel pipe in the factory should be done before the mechanical properties of the test and flattening test and flaring test, and to reach the requirements of the specification rules. Spiral steel pipe quality inspection methods: from the appearance of the judgment, that is, in the appearance of the inspection. Appearance inspection of welded […]
Sino East Steel Group as a leading China steel products manufacturer specialized in production of high quality steel series products and located in Tianjin. The area of Sino East Steel Group is about 65,000 square meters with annual steel production capacity reaching to 500,000 MT. Its products’ ranges include steel pipes, tubes, steel sheet and coil, structural steel like steel profile and so on.
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