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ASTM A 420 / A 420M - WPL6
- Thread starter alanyoung
- Start date
According to specification ASTM A 420, fittings that are welded must be post weld heat treated in accordance with Table 3, otherwise the fittings must be supplied in a normalized, normalized and tempered, annealed, or quenched and tempered condition.
If the fittings are cold-formed, I would recommend a stress relief following the guidelines of Table 3 for post weld heat treatment.
If the fittings are cold-formed, I would recommend a stress relief following the guidelines of Table 3 for post weld heat treatment.
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