304 and 304L are two common stainless steel grades in the world, so how to distinguish them, the steel ring network will introduce the specific method for you today.

The requirement for the use of most steel pipes is to maintain the original appearance of the building for a long time. When determining the type of stainless steel to be selected, the main considerations are the required aesthetic standards, the corrosiveness of the local atmosphere, and the cleaning system to be adopted.

Stainless steel seamless pipes are generally treated before leaving the factory, and there will be no rust on the surface. However, some rust stains that are difficult to remove may appear when they are used for a long time and the use environment is harsh.

Spiral steel pipe is a spiral seam steel pipe made of strip steel coil as raw material, extruded at regular temperature, and welded by automatic double-wire double-sided submerged arc welding process.