Material Database
Comprehensive repository of engineering materials, fasteners, and physical properties.
Standard mechanical properties lookup for structural steel, stainless steel, aluminum, copper, and titanium alloys.
Dimensional envelope sizes for standard ISO metric fasteners including thread pitch, head flats, and height.
Design parameters for metric coarse and unified national standard threads including pitch, major, pitch, and minor diameters.
Standard drill sizes for close, normal, and loose fit clearance holes for metric fasteners M3 to M20.
Complete diameter lookup matching number series, letter series, and fractional inch drill bits to decimal sizes.
Nominal Pipe Sizes (NPS) dimensions covering outside diameter, Sch 40 and Sch 80 wall thicknesses.
Sizing dimensions, dynamic load capacity ratings C, static ratings C0, and max RPM rules for deep groove bearings.
Cross-sectional properties for standard AISC wide flange steel shapes including depth, area, and moments of inertia.
Standard values for acceleration of gravity, universal gas constant, Stefan-Boltzmann, speed of light, and water density.
Exact scaling factors for length, mass, torque, pressure, and temperature conversions.
AISI 4140 Chromium-Molybdenum High Tensile Steel
UNS G41400 · Quenched and Tempered Reference Data
| PROPERTY | VALUE | UNIT |
|---|---|---|
| Density (ρ) | 7.85 | g/cm³ |
| Yield Strength (σy) | 415 - 1000 | MPa |
| Tensile Strength (σu) | 655 - 1100 | MPa |
| Young's Modulus (E) | 205 | GPa |
| Poisson's Ratio (ν) | 0.29 | — |
| Shear Modulus (G) | 80 | GPa |
High-strength structural alloy used for power transmission shafts, high-duty fasteners, and heavy machinery components.
- Power transmission crankshafts & axles
- High-stress ISO 898-1 property class bolts
- Industrial drive pinions and spur gears