Anjan Patel

Engineering Hub · Private Access

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Engineering
Hub

Mechanical engineering calculators, references, and quick links — all in one place.

13 categories — length, mass, force, pressure, temperature, energy, flow rate & more.

Pipe Calculator

Barlow's formula, ASME B36.10 schedule tables, flow velocity & Reynolds number.

Bolt Calculator

Torque-tension (T=KdF), grade preload tables (SAE / ASTM / ISO), bolt circle layout.

Welding Calculator

Heat input (CSA W59 / AWS D1.1), fillet weld capacity, preheat via CET (Thyssen).

Beam Calculator

Simply supported & cantilever beams — reactions, moment, shear, deflection, section properties.

Stress Calculator

Mohr's circle, principal stresses, Von Mises, fatigue (Goodman/Gerber), pressure vessel.

Material Properties

42 engineering materials — yield, UTS, modulus, density, CTE, Poisson's ratio. Sortable & searchable.

Failure Analysis

RCFA / 5-Why, FMEA with RPN matrix, CAPA tracking — per API RP 571, ISO 9001.

Flange Slide Ruler

API 6A flange slide rule — pressure class ratings for wellhead & piping flanges.

Hoisting Load Rating

Oilfield hoisting equipment load ratings — shear-area method, editable SF & material, source-cited inputs.

Markdown Editor

Write and preview Markdown — export to .md or .html. Great for reports and docs.

HTML Playground

Live HTML / CSS / JS editor with instant preview and shareable links.

Quick sketches, redlines, and markups — brushes, shapes, and PNG export.