Precision steel pipe is a high-precision steel pipe material processed by cold drawing or hot rolling. After heat treatment, there will be no oxide film on the inner and outer surfaces of the steel pipe. There will be no cracks in...
2023-12-19
1. Calculation formula for weight of thick-walled seamless steel pipeThick-walled seamless steel pipe weight per meter W=0.02466*S(D-S)Symbol meaning: D=outer diameter S=wall thickness2. Allowable deviations of thick-walled seamle...
2023-12-19
The main production process of galvanized square pipe includes the following steps1. Steel pipe pretreatment: First, the steel pipe is surface treated, including pickling and rust removal. Pickling can remove oxide scale and dirt ...
2023-12-18
There are many types of substrates produced by color steel coils, mainly including the following types:1. Cold-rolled substrate: Made from hot-rolled strip steel through a complex cold-rolling process. The thickness of this substr...
2023-12-15
As an important engineering material, seamless steel pipes are widely used in construction, manufacturing, chemical industry and other fields. However, in order to ensure the service life and performance of seamless steel pipes, i...
2023-12-15
Stainless steel passivation: After the metal is treated with an oxidizing medium, the corrosion rate is significantly lower than before the original treatment, which is called passivation of the metal. Stainless steel passivation ...
2023-12-14