Package Name:com.cspec.fnumbers2
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About F Numbers
Quick lookup of filler metal groupings
F Numbers: Quick lookup of filler metal groupings for welding procedure and performance qualification. Lookup includes classifications with respective descriptions of intended use. Data is provided by C-spec. F-numbers and A-numbers assignments are based on ASME Section IX Table QW-432 and QW-442, ASME Section II Part C, AWS B2.1 Table B1 and B2, and AWS A5.1 through AWS A5.36.
What's new in the latest 2.2.1
Last updated on 2026-09-22
Updated the app to target Android 16 (API level 36) to comply with the latest Google Play requirements.
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