Method for welding red copper tube and bronze tube
The invention discloses a welding method for a red copper pipe and a bronze pipe, and belongs to the technical field of ocean engineering. The method comprises the steps that grooves are formed in the welding end faces of the red copper pipe and the bronze pipe, and truncated edges larger than or eq...
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| creator | ZHAO QINZHI LIU TAISHAN ZHENG LEI CAI ZHIZHUAN GUO PINGPING JIANG BIN DAI NENGWU XU ANWEN TONG ZHENGRONG QU BO HU LIZHOU CHEN QI ZHANG ZHEN |
| description | The invention discloses a welding method for a red copper pipe and a bronze pipe, and belongs to the technical field of ocean engineering. The method comprises the steps that grooves are formed in the welding end faces of the red copper pipe and the bronze pipe, and truncated edges larger than or equal to 0.5 mm are reserved; the red copper pipe and the bronze pipe are matched and aligned to form a welding seam, and positioned welding is conducted in the groove welding seam through alternating current TIG welding; the red copper pipe and the bronze pipe are filled with shielding gas, backing welding and cosmetic welding are sequentially carried out on a welding seam under the condition that a welding gun adopts mixed shielding gas of 70% helium and 30% argon, and the interlayer temperature range is controlled to be 100-120 DEG C. According to the welding method for the red copper pipe and the bronze pipe, the welding quality of the red copper pipe and the bronze pipe can be improved, the welding difficulty is |
| format | Patent |
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The method comprises the steps that grooves are formed in the welding end faces of the red copper pipe and the bronze pipe, and truncated edges larger than or equal to 0.5 mm are reserved; the red copper pipe and the bronze pipe are matched and aligned to form a welding seam, and positioned welding is conducted in the groove welding seam through alternating current TIG welding; the red copper pipe and the bronze pipe are filled with shielding gas, backing welding and cosmetic welding are sequentially carried out on a welding seam under the condition that a welding gun adopts mixed shielding gas of 70% helium and 30% argon, and the interlayer temperature range is controlled to be 100-120 DEG C. 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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | Method for welding red copper tube and bronze tube |
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