SINO EAST STEEL TECH CO.. LTD. 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 60,000 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.
Spiral steel pipe development and main production methods
/in blog /by PaulSpiral steel pipe development and main production methods The proportion of spiral steel pipe in the steel pipe has stabilized in recent years at about 42% to 45%, with a rising trend of welded pipe. Spiral steel pipe compared with welded steel pipe is the reliability of the material and variety of adaptability, especially adapted […]
Reasons for the delayed delivery of the spiral steel pipe factory
/in News /by PaulReasons for delayed delivery of spiral steel pipe manufacturers Customers who often purchase spiral steel pipes often encounter late construction deadlines. It is clear that the delivery time for signing the contract is ten days, but when the delivery date arrives, the spiral steel pipe manufacturers cannot deliver the goods. Why does this happen frequently? […]
Common methods of inspecting the quality of spiral pipes from appearance
/in blog /by PaulCommon methods of inspecting the quality of spiral pipes from appearance When many users buy a spiral tube, because there is no professional testing equipment, at this time, the quality of the spiral tube can only be detected from the appearance. The following are several common judgment methods. 1. From the surface of the spiral […]
How to choose the spiral pipe factory
/in blog /by PaulIf the selected cooperative spiral steel pipe factory has a good reputation, the above situation will be greatly avoided. How to evaluate the credibility index of the spiral pipe factory requires careful observation and a cool head. The following are some points of view, please refer to them. 1. When cooperating with a spiral steel […]
What are the materials of the spiral steel pipe, which is better
/in News /by PaulAt present, the most widely used spiral steel pipe material on the market is Q235B, mainly because Q235B material is relatively affordable and its performance is suitable for many industries, but in some special industries, high-performance materials such as Q345 and L360 are also used. The main materials of the spiral steel pipe are: Q235A, […]
Whether the spiral steel pipe can process carbon steel pipe fittings
/in Uncategorized /by PaulSpiral 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 […]
The relationship between the length of the spiral steel pipe and the price
/in blog /by PaulSpiral 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 […]
How to prevent white rust from hot-dip galvanized seamless steel pipe manufacturers?
/in blog /by PaulHot-dip galvanized pipe is to make the molten metal react with the iron matrix to produce an alloy layer, so that the matrix and the coating are combined. Hot-dip galvanizing is to pickle the steel pipe first. In order to remove the iron oxide on the surface of the steel pipe, after pickling, it is […]
How to eliminate the problems that are easy to occur in the connection of galvanized steel pipes
/in blog /by PaulWhen using galvanized steel pipe, it is necessary to use welding to make the connection. In order to ensure a good seal, there are some issues to be aware of. When using the rolling groove method to weld galvanized steel pipe, the rolling groove weld will be prone to cracking. In fact, this situation can […]
Cold Rolled Nitriding Treatment of Seamless Steel Tubes
/in blog /by PaulThe cold rolling of seamless steel pipe is to change the martensite to the seamless steel pipe before the rolled piece enters the finishing extruder. Rough rolling is still carried out in full martensitic conditions, and then the hot-rolled strip temperature is reduced to a change of Click below. The nitriding treatment method of seamless […]