Package Name:com.cspec.mnumbers
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About M Numbers
Quick lookup of base metal weldability grouping numbers
M Numbers: Quick lookup of base metal weldability grouping numbers (Material Numbers) for welding procedure and performance qualification. Data is provided by C-spec from the master source used for generation, proof-reading and maintenance of AWS B2.1 Table C.1 and C.2.
What's new in the latest 1.4
Last updated on 2026-10-04
Updated the app to target Android 16 (API level 36) to comply with the latest Google Play requirements.
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M Numbers APK Information
Latest Version
1.4
Category
ProductivityAndroid OS
Android 5.1+
File Size
4.8 MB
Developer
C-SpecContent Rating
Everyone
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