... WT: 0.6-30MM 3.Standard:ASTM GB BS DIN EN 4.Good quality, fast delivery Dimension,thickness,length,material, ... your requests. Commodity large diameter welded steel pipes GB ASTM EN Dimension20-246MMThickness0.6-2.5MMLength5.8-12M or customized End ... central air-conditioning pipe, fence, threading pipe, rolling doors, metal frame, support tube, furniture, sports equipment, fence, etcPackage1.bundle 2.in ...