C purlins:Steel C purlins are made of hot rolling steel sheet,and strictly under the cold roll formed by machine.Compare to the traditional box iron,C section steel frames can save 30%material wastage,and it has thin wall,light weight,good section performance and high strength features.
Z purlins: Z steel purlin is made of hot rolling steel sheet,and strictly under the cold roll formed by machine.,which is using as steel building purlins.Compare to the traditional box iron,Z section purlins can save 30%material wastage,and it has thin wall,light weight,good section performance and high strength features.Compare to C purlins,Z purlins are specially used for large slope roof.
1)Material preparation:Usually our steel material standards of Z purlin is Chinese standards Q195/235/345,we could also make as per your steel standards;
2)Hole pre-punched:If you have hole punching requirement,we could exactly punch the holes as per your requirements;
3)Cutting:Length could be any customized size,but it will be limited by container size,it's max 5.8meters for 20FT container and 11.8meters for 40FT container;
4)Quality inspection:We have QC people in workshop to do quality inspection,to ensure the product quality for customers.
5)Product application:
C Purlin: It is used widely as purlin and wall beam on steel structure construction.Also it can be combined into a light weight roof truss,brackets,etc.In machinery light manufacturing,C purlin can also be made into Column,beam or arm limb,etc.
Z Purlin: Purlin and wall beam of steel structure building The Z-shaped purlins have excellent anti-bending property and are easy to install. They are widely used as the supporter of roof and wall in large-scale and MID-scale construction, such as factory, warehouse, garage, exhibition center, cinema, theatre, garden and so on.



Galvanized Steel C/Z purlin can be used in roof and wall for panels.