Material Parameter
◪ 1.All the steel pipes used are hot-pressed seamless steel pipes. All the main materials are Q235 steel, in line with GB700-88 |
◪2.The pipe-to-pipe connection and pipe-to-connector connection use a butt weld or full-period fillet weld. |
◪ 3.All butt welds must be cut-through welds. These welds are not specified and the weld grade is Grade 3. |
◪ 4.Where the weld is not a fillet weld, the weld foot is not less than 4mm. All exposed mouths have sealing plates. |
◪ 5.Bolts are galvanized common large hex head bolts, in line with GB5780-86; nuts in line with GB41-86. |
◪ 6.Manual welding uses E43xx electrodes, welding wires and fluxes for automatic and semi-automatic welding. |
◪ 7.Film fabric using white PVDF film with its total weight 850g/㎡. |
◪ 8.The wire rope material conforms to the universal wire rope standard "GB/T8918-1996". |
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