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Tag: 304 stainless

ER308LSi TIG / GTAW Filler Metal: Filler Metal Finder Notes

ER308LSi TIG / GTAW filler metal is used as a higher-silicon 308L option where improved wetting is allowed by the WPS and the governing code. It is a selection starting point, not…
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August 14, 2026
ER308L TIG / GTAW Filler Metal: Filler Metal Finder Notes

ER308L TIG / GTAW filler metal is a common starting point for joining 304-family stainless steel, but it is not a substitute for the WPS, code requirements, base metal identification, or the…
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August 13, 2026
ER308L MIG / GMAW Filler Metal: Filler Metal Finder Notes

ER308L MIG / GMAW filler metal is a common starting point for welding 304-family stainless steel in fabrication and repair work. It is used widely, but it is not a default answer…
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July 19, 2026
Why Stainless TIG Welds Sugar on the Back Side

Stainless TIG sugaring is heavy oxidation on the back side of the weld root. It usually happens when the hot root is exposed to oxygen because the purge is missing, weak, contaminated,…
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May 13, 2026

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