P Numbers app for iPhone and iPad

4.6 ( 5856 ratings )

Productivity
Developer: C-spec

Free

Current version: 2.1, last update: 3 months ago
First release : 04 Sep 2014
App size: 13.3 Mb

P-Numbers: Quick lookup of base metal weldability grouping 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 ASME Section IX Table QW/QB-422, AWS B2.1 Table C1 and C2, and ISO/TR 20173.