800MPa high-strength steel welding rod and preparation method
An 800mpa, welding rod technology, applied in welding equipment, welding medium, manufacturing tools, etc., can solve problems such as unsatisfactory process and mechanical properties, and achieve excellent slag removal, low smoke and dust, and beautiful weld seams
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[0042] The present invention provides a high-strength steel electrode, including a welding core and a coating. Three embodiments are provided below, wherein the composition of the welding core is as shown in Table 2, and the composition of the coating is as shown in Table 3. Example 1 The outer diameter of the Ф4.0mm welding rod prepared in ~3 is 6.3~6.5mm.
[0043] Table 2 Chemical Composition of Weld Core (wt%)
[0044]
[0045] The composition (wt%) of table 3 drug skin
[0046]
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