OpenSpecEngineering

Open data for a field built on precision

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Mechanical

Fasteners GD&T Alloys Bearings/Fits Springs Belts/Chains/Gears Pipe/Tube/Thread Welding O-Rings/Seals

Electrical

Wiring/Cable PCB/PWB Symbols/Drawing Standards Connectors Motors/Actuators Grounding/EMI

Civil

Rebar & Reinforcement Structural Steel Shapes Design Loads

Chemical

Instrumentation Symbols (P&ID) Solution Concentration Reference Fluid & Steam Properties

Industrial

Process Chart Symbols Six Sigma & SPC Constants Engineering Economics Factors Anthropometric Data Ergonomic Exposure Limits

Calculators

— Metal Selection

See the Material Property Lookup, Weight/Mass from Material + Volume, Thermal Expansion, and Stress & Strain calculators to use these properties directly.

Sources:
[1] ASM Handbook. Materials Park, OH, USA: ASM International.
[2] MatWeb Material Property Data. Blacksburg, VA, USA: MatWeb, LLC. [Online]. Available: https://www.matweb.com
[3] Metallic Materials and Elements for Aerospace Vehicle Structures, MIL-HDBK-5J, U.S. Dept. of Defense, 2003.
[4] W. D. Callister, Jr. and D. G. Rethwisch, Materials Science and Engineering: An Introduction, 10th ed. Hoboken, NJ, USA: Wiley, 2018.

Reference content only — not a substitute for professional engineering judgment. Verify all values, tolerances, and specifications against current official standards before use in production or safety-critical work. Provided without warranty of accuracy or fitness for any purpose.