Engineering

Basics

   Units
         Temperature Converter - Online Calculator for converting between temperatures unit.
         Weight Converter - Online Calculator for converting between weight units.
         Length Converter - Online Calculator for converting between length units.
   Standards

Materials

   Young's Modulus - A brief overview of the Young's modulus.
   Yield Point - A brief definition of yield point and how it is used.
   Hardness
   Steels Properties
   Steel Processes
   Metals Properties - Example material properties for a range of metals.
   

Fasteners

   Bolts - Standard metric dimensions of bolts.
   Nuts - Standard metric dimensions of nuts.
   Washers - Standard Din 125 washer dimensions.
   Screws - Standard metric screw dimensions.
   Capscrews - Standard dimension of socket cap screws and countersunk screws.
   Edge distance - Recommended edge distance for bolt spacing. Clearance holes.
   Screw Loads - Estimated torque and tensile loads for standard metric bolts.
   Bolting Material Properties - Standard material properties for carbon steel and stainless steel bolts.
   Threaded Inserts - Types of different engineering threaded inserts.
   Split Cotter Pins - Standard Split Cotter Pin Sizes
   Circlips External - Standard Circlip dimensions - External fit.
   Circlips Internal - Standard Circlip dimensions - Internal fit.
   Rivets
  

Standard Sections

   Square - Section properties for a range of standard square section sizes.
   Equal Leg Angles Metric - EN 10056-1:1998 - General Dimensions
   Equal Leg Angles Metric - BS 4848-4 - Historical Angle Dimensions
   Equal Leg Angles Imperial - General dimensions
   Unequal Angles Metric  - Properties and Dimensions
   Unequal Angles Imperial - General dimensions
   Round - General properties and dimensions of solid round bar section.
   Rectangular Bar Section - General dimensions and properties of rectangular section.
   Circular Hollow Section Cold Formed - Properties and Dimensions
   Hollow Square Section Cold Formed - Properties and Dimensions
   Hollow Square Section Hot Formed - Properties and Dimensions
   Hollow Rectangular Section Cold Formed - Properties and Dimensions
   Hollow Rectangular Section Hot Formed - Properties and Dimensions
   Universal Columns - Section Properties and Dimensions
   Universal Bearing Piles - Section Properties and Dimensions
   Channels - Section Properties and Dimensions
   Joists - Section Properties and Dimensions.
   

 Stress and Strain

   Stress - Force over Area
   Strain - Extension over Length
   Engineering Stress vs True Stress
   Poisons ratio
   Stress concentrations

Finite Element Analysis

   Basics
   Geometry
   Meshing
   Boundary Conditions
   Loads
   Solving
   Results
   Plugins

Standard Sizes

   Pipe
   Sheet Metal
   Rounds
   Wire Sizes
   Studding

Fatigue

   Endurance Limit
   Low Cycle Fatigue
   S-N Curve

Visco-elasticity

   Impact and shock
   Vibration
   Creep

Beams and Sections

   Steel Sections
   Beam Stress
   Beam Deflection
   

Welds

   Types
   Symbols
   Mig Welding
   Tig Welding
   Friction Welding
   

Hydraulics

    Components
    Drawings

Lifting

   Padeye
   Eyebolts
   Shackles
   Single Point
   Spreader beam

Misc

   Surface Finish
   Machining
   Pumps
   Springs
   Flywheels
   Cams
   Gears
   Shock Absorbs
   Power Screws
   Lead Screws
   Control Systems

3d Printing

   File types
   Types of Printer

Cad

    Software
    File Formats   
    3d scanners

Pin Joints

   Clevis Loads
   Pin Loads

Bearings

   Bearing Materials
   Bearing stress
   Standard Bearing Sizes

Air

  Aerodynamics
  Lift
  Drag
  Turbulence