The iron oxide scale on the inner and outer surfaces of the hot-rolled tube stock or the in-process tube after the intermediate heat treatment should be removed before the cold working of the ordinary seamless tube. The existence of iron oxide scale, on the one hand, affects the quality of subsequent lubrication; on the other […]
It means that there is no weld on the steel pipe. This kind of steel pipe is integrally formed, and is directly rolled from a billet in the production. Because of the seamless relationship, it has a very good high pressure resistance advantage, and is often used as a boiler tube and a bearing tube. […]
Steel is a general term for iron alloys with a carbon content between 0.02% and 2.04% by mass. The chemical composition of steel can vary greatly, and steel containing only carbon is called carbon steel (carbon steel) or ordinary steel; In actual production, steel often contains different alloying elements according to different uses, such as: […]
The angle steel can be composed of various stress-bearing components according to the different needs of the structure, and can also be used as a connection between the components. Widely used in various building structures and engineering structures, such as beams, bridges, transmission towers, lifting and transporting machinery, ships, industrial furnaces, reaction towers, container racks, […]
With the acceleration of social development, the use of hot-dip galvanized steel pipes has gradually increased. So how much do you know about hot-dip galvanized steel pipes? What are the classification and production principles of hot-dip galvanized steel pipes? Today, I will take you into the world of hot-dip galvanized steel pipes and learn about […]
The latest statistics show the trend of the domestic insulation steel pipe market, the first quarter GDP growth rate of 11.9%, showing the optimism of the national economy stabilization, and even can be interpreted as the current economic operation is quite optimistic, need to know if it is in previous years, this data will even […]
When the laser cutting machine is processed metal, the widely used material is stainless steel and carbon steel 45#seamless steel pipe. Compared with aluminum alloy and brass, high reflexive metals. So laser cutting applications are wider. What are the differences between laser cutting machines with strong effects when processing stainless steel and carbon steel? After […]
The national standard seamless steel pipe is used for manufacturing and construction. It is a tense example of steel pipes. Seamless steel pipes are used in manufacturing and construction to hold part -time jobs.What is the result of seamless steel pipe pressure? How to hold the resistance of the seamless steel pipe? There are many […]
There are many materials for seamless steel pipes, such as 20#seamless pipes and relatively common is these two types. What kind of distinguishing between spicy? Simply speaking, the foreign labels they choose to choose It is completely different, and other effects are completely different. For example, the second steel pipe is tightly used in an […]
Hot-dip galvanized steel pipes are widely used in construction, machinery, coal mines, chemicals, electric power, railway vehicles, automobile industry, highways, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery, greenhouse construction and other manufacturing industries. Galvanized steel pipe is a welded steel pipe with a hot-dip galvanized or electro-galvanized layer on the surface. Galvanizing […]
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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