condary Application: Structure Pipe Technique: ERW Certification: API Surface Certificate: ISO 9001:2000 Mark: as requests Delivery time: 10-30days SPackaging & DeliveryPackaging Details: 1.by bundles 2.by pcs 3.as requirementDelivery Detail: 15days after received the paymentSpecificationsGi Hollows1)Size:15*15-600*600 2)Thickness:0.8mm-20mm 3) SGS,CIQ 4) Material: Q195,Q235,Q215,Q345Pipe TypeSpecification/mmThickness/mmSpecification/mmThickness/mmRectangular Pipe10*200.5-2.010*300.5-2.020*300.5