Piping Reference Tables

Conversion charts, schedule explanations, material specifications and pressure-temperature ratings — the lookups that sit behind the dimension tables.

NPS to DN Conversion Chart34 sizes · NPS 1/8 to NPS 36 Pipe Schedule Chart14 schedules · wall thickness Stainless Pipe SchedulesB36.19M · 5S, 10S, 40S, 80S Pressure-Temperature Ratings4 groups · 7 classes · psig Flange Bolt Chart7 classes · bolt count and circle Material Grades30 ASTM specifications Pipe Weight Chartlb/ft and kg/m · all sizes Flange Face TypesRF · FF · RTJ · T&G · M&F Pipe Color Coding — ASME A13.1ASME A13.1 · 10 colour combinations

Every figure here comes from a published standard. PipeData reproduces them for quick lookup, not as a substitute for the standards. Confirm against a current copy of the governing ASME, ASTM or API document before you fabricate, procure or design from it.