P Numbers
P Numbers app for iOS and Android devices
quick lookup of base metal weldability grouping from the master data source used for generation and maintenance of the following standards:
ASME Section IX Table QW/QB-422
AWS B2.1 Table C1 and C2
AWS B2.1-BMG
ISO TR 20173
Quick Lookup Abbreviated Search Title ( Legend ):
P# ( P-Number )
G# ( Group Number )
ISO ( ISO TR 15608 )
Form ( Product Form )
Spec ( Specification )
Type ( Alloy Designation, Type or Grade )
UNS ( Unified Numbering System )
Respective registered trademark owners:
ASME® The American Society of Mechanical Engineers
AWS® The American Welding Society
ISO® International Organization for Standardization
WeldOffice® Asmeix Corporation d.b.a. C-spec
C-SPEC® Asmeix Corporation d.b.a. C-spec