Welding method of silver-steel composite plate
The invention discloses a welding method of a silver-steel composite plate. The welding method comprises the following steps: processing a welding groove of the silver-steel composite plate; the grooves of the silver steel composite plates are assembled, it is guaranteed that the sides of the silver...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a welding method of a silver-steel composite plate. The welding method comprises the following steps: processing a welding groove of the silver-steel composite plate; the grooves of the silver steel composite plates are assembled, it is guaranteed that the sides of the silver layers are flush, and 2-4 mm of gaps are reserved on the joint surfaces of the grooves of the silver steel composite plates; welding a silver-steel composite board base layer base layer, a silver-steel composite board base layer filling layer and a silver-steel composite board base layer covering layer in sequence; grinding the back surface of the welding seam of the base layer of the silver-steel composite plate, and performing nondestructive testing; welding a silver layer of the silver-steel composite board; and carrying out nondestructive testing on the silver layer of the silver-steel composite board, wherein the silver layer welding seam is qualified according to NB/T47013.5-2015 100% PT qualified grade I de |
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