... ,blue Welding standard: AWS D 1.1 Gavanization standard: ASTM A 123 Warranty: 15 years Manufactury capacity: 300 pieces per day Our ... &easy maintain the material can be Q235 ,Q345,Q460,ASTM A 572 GR65 ,GR65, SS400 ,SS490,ST52-3 or any other ... ,SS400, SS490,ST52-33.deal: Hot dip galvanized Following ASTM A 123 or any other stardand by client required.4.Packing: Plastic ...