P Numbers vs Piping Engineer's Toolbox

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.

Piping Engineer's Toolbox delivers instant, reliable access to comprehensive dimensional, weight, and design data for 72 standard ASME piping components — right at your fingertips. Trusted by engineers and companies worldwide, Piping Engineer's Toolbox has built its reputation on accuracy, consistency, and up-to-date technical data. The app provides detailed specifications aligned with the latest ASME standards, covering Metric, U.S. Customary, and Inch Fraction units across NPS and DN pipe sizes. From pipes and valves to flanges and fittings, Piping Engineer's Toolbox puts everything you need for engineering and field work in one place. Key Features: Extensive ASME specifications, including pipe dimensions (ASME B36.10M/19M-2004), flanges (ASME B16.5-2013), and fittings (ASME B16.9-2007) Full support for welded, threaded, and socket-welded fittings Detailed valve dimensions and weights for gate, globe, butterfly, check, and control valves Non-metallic rings, spiral wound gaskets, and RTJ rings for multiple flange types Complete weight data for pipes, flanges, and valves across various configurations Built for professionals in the piping and engineering industries, Pipedata combines precision, speed, and versatility in one intuitive, easy-to-navigate app. In-App Purchase: Lifetime Premium Privacy Policy: https://privacypolicy50.wordpress.com/privacy-policy-subscription/ Terms & Conditions: https://privacypolicy50.wordpress.com/terms-and-condition/