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Materials

Design

Processes

Units

Formulas

Math
Introduction

Properties of common gas materials are divided into following categories:

 

• Physical properties: Density, melting and boiling temperature.
• Mechanical Properties: Poisson's Ratio, bulk modulus, viscousity, kinematic viscousity.
• Acoustic Properties: Sound velocity.
 

  Note: 1. All properties are under 1 atm (1.01325×105 Pa; 760 mmHg; 14.6959 psi) and at room temperature 25 ºC (77 ºF) unless specified otherwise.
  2. Further information on a specific material can be obtained by clicking the name of that particular material in the following table.
  3. Users who prefer Standard or other unit systems rather than the SI units, click the amount (number) of the specific material property for unit conversion.
  4. Materials in different phases at room temperature: Solid, Liquid.
Basic Mechanical Properties
Material Bulk Modulus
(GPa)		 Viscosity
(Pa-s)		 Kinematic Viscosity
(m2/s)
Air (0 ºC, dry) - 0.0171 × 10-3 13.3 × 10-6
Air (25 ºC, dry) - 0.0179 × 10-3 14.6 × 10-6
Carbon Dioxide [CO2] (0 ºC) - 0.0138 × 10-3 -
Helium [He] (0 ºC) - 0.0186 × 10-3 -
Hydrogen [H2] (0 ºC) - 0.00840 × 10-3 -
Nitrogen [N2] (0 ºC) - 0.0166 × 10-3 -
Oxygen [O2] (0 ºC) - 0.0192 × 10-3 -
Glossary
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Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

more publications