Piping charts, dimensions & calculators
The fast, free reference for piping engineers, buyers and inspectors — pipe schedules, flange and fitting dimensions, weights and material grades, all on one clean page that works on your phone at site.
Pipe sizes ⅛" to 48"
One page per size: every schedule with wall, ID, weight, water capacity and matching flanges.
Open →Pipe schedule chart
OD and wall thickness for every schedule — ASME B36.10M & B36.19M.
Open →Pipe weight chart
Weight per metre (kg/m) for carbon and stainless steel pipe in every schedule.
Open →Flange dimensions
ASME B16.5 Class 150 and 300 — OD, thickness, PCD and bolting for every size.
Open →Buttweld fitting dimensions
Elbows, tees, reducers and caps — ASME B16.9 centre-to-end.
Open →Material grades & UNS
27 grades — carbon, stainless, duplex, nickel alloys, titanium and Cu-Ni.
Open →MOC comparator
Compare chemical composition and mechanical properties of 30 grades side by side.
Open →Material equivalents
ASTM ↔ UNS ↔ EN/DIN ↔ JIS ↔ GB equivalent grades.
Open →Standards directory
ASME, ASTM, API, EN, DIN, BS, ISO, JIS, Chinese GB and Indian IS standards explained.
Open →Reference charts
P-T ratings, standards equivalents, gauges, bolting, NPT, IS 1239, plate and bar weights.
Open →Calculators
Weight, wall thickness, pressure drop, hydrotest, cost, bolting BOQ and more.
Open →Guides & glossary
Flange types, facings, pressure classes, SS 304 vs 316 and more.
Open →Why engineers use Piping Supply Journal
Every table is built from the governing ASME and ASTM standards and formatted for quick lookup: sticky headers, instant filtering by size, and a one-tap switch between millimetres and inches. Calculators run entirely in your browser, so they are fast and work offline once loaded.
Last updated 2026-11-02