9% Ni steel matched nickel-based welding rod special for overhead welding
A nickel-based electrode, 9%ni technology, used in welding media, welding equipment, welding/cutting media/materials, etc., to achieve stable mechanical properties, excellent low-temperature impact toughness, and low porosity.
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[0053] The technical solutions of the present invention will be further described below in conjunction with specific examples, but the present invention is not limited to these examples.
[0054] A nickel-based welding rod for 9% Ni steel for overhead welding, consisting of a welding core and a coating, the coating is coated on the outer wall of the welding core, and the coating accounts for 0.3 to 0.5 of the total weight coefficient of the welding rod; the welding core is made of nickel chromium Iron welding core; its welding core composition (% by weight) is shown in Table 1:
[0055] Table 1: Solder Core Composition
[0056]
[0057]
[0058] Table 2: Solder core composition (weight percentage %) in embodiment 1~5
[0059]
[0060] The coating uses high alkalinity CaCO 3 -MgCO 3 -CaF 2 For the low hydrogen slag system, the proportion of the coating to the total weight of the electrode is 0.3-0.5, and the diameter of the core wire is 2.6mm and 3.2mm. The compone...
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