Hardness Conversion Calculator: Rockwell, Brinell, Vickers & Shore Scales
Hardness Conversion Calculator — Rockwell B/C, Brinell, Vickers, Knoop, and Shore scale conversions. Includes tensile strength estimation from hardness values.
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Material Weight Calculator: Density-Based Mass for Steel, Aluminum, Titanium
Material Weight Calculator — density-based mass calculation for steel, aluminum, copper, titanium, and plastics. Supports plates, bars, pipes, and custom shapes.
Fillet Weld Strength Calculator: Transverse & Longitudinal Loading, Throat & Leg Size
Fillet Weld Strength Calculator — transverse and longitudinal loading, throat and leg size design, AWS D1.1 directional strength increase. Includes fatigue design guidance and 8 FAQ.
Welding Heat Input Calculator: Arc Energy, Cooling Rate & Carbon Equivalent
Welding Heat Input Calculator — arc energy (kJ/mm), cooling rate t8/5, carbon equivalent (CE), and HAZ hardness prediction for SMAW, GMAW, GTAW, FCAW, SAW.
Weld Strength Calculator: Butt & Fillet Weld Design, AWS D1.1 Allowable Stress
Weld Strength Calculator — butt and fillet weld design using AWS D1.1 allowable stress. Includes throat area, effective length, and base metal check with 8 FAQ.
Gear Strength Calculator: Lewis Equation, Bending & AGMA Stress Analysis
Gear Strength Calculator — Lewis and AGMA bending stress analysis, surface pitting, and tooth durability. Includes dynamic factor, material selection guide, and 8 FAQ.
Shaft Critical Speed Calculator: Whirling, Rayleigh-Ritz & Dunkerley
Shaft Critical Speed Calculator — whirling analysis using Rayleigh-Ritz and Dunkerley methods. Determine safe operating RPM with separation margin guidelines.
Rivet Joint Strength Calculator: Shear, Bearing & Tear-Out Failure Modes
Rivet Joint Strength Calculator — shear, bearing, and tear-out failure modes for single and double shear lap joints. Includes pattern efficiency and edge distance analysis.
Thread Shear & Stripping Calculator: Internal & External Thread Strength
Thread Shear & Stripping Calculator — internal and external thread strength, engagement length, and bolt vs thread failure mode prediction for metric and UN threads.
Bolt Torque Calculator: Tightening Torque, Preload & Clamp Force
Bolt Torque Calculator — tightening torque, preload, and clamp force using the nut factor method. Includes lubricated, dry, and anti-seize conditions with 8 FAQ.