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What is a weld insert ring?

April 26, 2017insert ring weld

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What is a weld insert ring?

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Weld insert rings are used as filler metal for orbital or hand welding AL-6XN alloy. This will “over-alloy” the weld area to compensate for chemical segregation that may take place during the welding process. The filler alloy must have higher molybdenum content than the AL-6XN alloy to compensate for alloy dilution on cooling. Rings are typically available in a 9% molybdenum alloy (Alloy 625), 12% molybdenum alloy (C-22), or 15% molybdenum alloy (C-276). They are also available in three different configuratiuons: 1. washer style, 2. OD t-shaped, and 3 ID t-shaped.