High strength Steel C purlin steel frame roof purlins for metal buildingsC purlins introduction:Steel C purlins are made of hot rolling steel sheet,and strictly under the cold roll forming.Compare to the traditional box iron,C section steel purlins can save 30%material,and it has thin wall,light weight,good section performance and high strength features.Steel standards for C purlins:Q195/235/345C section metal specification:C  purlin sectional size rangeModel NO.H×B1×B2×C(mm)Thickness(mm)Hole distance(mm)Length(m)C8080×40×40×152.0-3.0No holesThe length can be customized.Max 5.8m for 20GP;Max 11.8m for 40GP/HQ.C100100×50×50×202.0-3.040C120120×50×50×202.0-3.0AdjustableC140140×50×50×202.0-3.0AdjustableC160160×60×60×202.0-3.0AdjustableC180180×60×60×202.0-3.0AdjustableC200200×60×60×202.0-3.0AdjustableC220220×70×60×202.0-3.0AdjustableC250250×70×70×202.0-3.0AdjustableRemark:1)H,B1,B2,C,please refer to the picture above to check,thank you.2)Because of the container size,Max 5.8m for 20GP;Max 11.8m for 40GP/HQ.C section purlins application: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.Our service:(1)One professional sales team will offer you full set service,no matter before or after-sales;(2)One rich experienced engineer and design team can offer you professional advice for both connection technology and building designs;(3)We are manufacturer,and surely can offer you competitive price for you projects