Seamless steel tubes for weathering (atmospheric corrosion) structures

Implementation standards:GB/T4171-2008

Uses: used for steel structures that have been exposed to the atmosphere for a long time, such as railways, vehicles, bridges, towers, photovoltaic, high-speed projects, etc.

The main production grades of steel pipes are as follows:09CuPCrNi、Q265GNH、Q295GNH、Q310GNH、Q355GNH、Q415NH、Q550NH Etc.

Chemical composition:

Field corrosion test data: