Galvanized steel pipe is galvanized on the outer or inner wall of steel pipe, and its main raw material is steel pipe.
Top: welded steel pipe
Welded steel pipe is welded steel pipe, mainly including straight seam steel pipe and spiral steel pipe. The most common raw material is Q235B.
Second: seamless steel pipe
Seamless steel pipe is a kind of high cost steel pipe, the most common raw materials are 20 × and Q345B.
Third: square torque tube
These two are round tubes. This one is square.
以上是济南镀锌管生产厂家为大家介绍的相关内容，想要了解更多内容，欢迎访问网站：http://www.jnxxjm.comThe above is the relevant content introduced by Jinan galvanized pipe manufacturer. For more information, please visit the website: http://www.jnxxjm.com