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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.
Physical Properties
Material Density
(×1000 kg/m3)		 Melting Point
(ºC)		 Boiling Point
(ºC)
Air (0 ºC, dry) 0.00129 - -195.0
Air (25 ºC, dry) 0.001184 - -
Argon [Ar] (0 ºC) 0.001784 -189.4 -185.9
Carbon Dioxide [CO2] (0 ºC) - -56.57 -
Helium [He] (0 ºC) 1.785 - -268.9
Hydrogen [H2] (0 ºC) 8.99 -259.3 -252.9
Neon [Ne] (0 ºC) 8.999 -248.6 -246.1
Nitrogen [N2] (0 ºC) 0.00125 -210.0 -195.8
Oxygen [O2] (0 ºC) 0.001429 -218.8 -182.9
Water; Steam [H2O] (100 ºC) 0.6 - -
Glossary
FREE Publications
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.

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

more publications