Product DescriptionCommodityc channel purlins specificationSpecificationb=35mm-120mm a=15mm-35mm h=40mm-450mmt=1.5mm-6.0mmLength1-12m or as requestThickness1.5mm-6mmWeight1.912-43.588kg/mStandardAISI ASTM BS DIN GB JIS ETCGradeSGCC A36 SS400 Q195 Q215 Q235 ETCMaterialSteel stripSurface treatmentPunch Hole, Black or Galvanized or PolishedQuality AuthenticationISO 9001:2000UsageSupport roof purlin Steel structure, purlin,Warehouse/ factory wall/ makeshift houseShapeC section shape ,U section shape, Z section shapeProductivity5000MT/MONTHMin Order Quantity20MTDelivery Time15-25 days after receipt of down payment or L/CPackingBulk pack or According to the requirementNoticeSpecial order can be accept and we will offer high quality but low price's products