The main production process of galvanized square pipe
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
What are the main types of substrates produced by color steel coils?
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
How to perform daily maintenance on seamless steel pipes?
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
Why does stainless steel need passivation treatment?
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
What are the processing techniques for angle steel?
Angle steel is a commonly used building material. Due to its special shape, special processes are required during processing to ensure its quality and accuracy. The following are some common angle steel processing techniques:1. Sh...
2023-12-13
Steel heat treatment process
1. Normalizing the fireIt is a metal heat treatment process in which the workpiece is heated to an appropriate temperature, kept warm for a period of time, and then taken out of the furnace and cooled in the air.2. AnnealingA meta...
2023-12-13
