Welding process of 304 lined stainless steel composite pipe
UncategorizedWelding process of 304 lined stainless steel composite pipe
(304+Q235B) is a new type of composite pipe, which has the characteristics of corrosion resistance, high temperature resistance, high elongation, high strength, etc. It is widely…
What are the advantages of heat treatment of Q345D seamless steel pipe?
UncategorizedIn order to better improve the tensile strength and wear resistance of the surface of Q345D seamless steel pipe, we need to carry out some surface treatment of metal materials during the production process. Are there any characteristics of Q345D…
Why do ordinary seamless steel pipes need to be pickled?
UncategorizedThe 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…
A brief introduction to the production process of seamless steel pipes
UncategorizedIt 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,…
The difference between carbon steel, galvanized steel and stainless steel
UncategorizedSteel 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…
Low-alloy angle steel manufacturers analyze the characteristics, application range and specifications of low-alloy angle steel
NewsLow alloy angle steel can be composed of various stress components according to different structural requirements, and can also be used as connecting parts between components. Widely used in various building structures and engineering structures,…
Angle iron definition and its model
UncategorizedThe 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,…
Hot-dip galvanized steel pipe manufacturers popularize the difference between seamless steel pipe and galvanized steel pipe
NewsHot-dip galvanized steel pipe manufacturers popularize the difference between seamless steel pipe and galvanized steel pipe: seamless steel pipe and galvanized steel pipe are different in terms of process, durability, use and prohibition.
Specific…
Classification and production principle of hot-dip galvanized steel pipe
UncategorizedWith 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…
Domestic Insulated Steel Pipe Market
UncategorizedThe 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…