Sample data from Engineering Database — 375 reference tables, deterministic calculators, and Engineering AI. Sign up free
Fluid Properties: r134a
-40 to 60
Fluid thermophysical properties - density, viscosity, thermal conductivity, specific heat, and Prandtl number for gases, liquids, liquid metals, refrigerants, and process fluids at various temperatures
| fluid | temp C | density kg m3 (kg/m3) | dynamic viscosity Pa s (Pa*s) | kinematic viscosity m2 s (m2/s) | prandtl number (dimensionless) | specific heat J kgK (J/kgK) | thermal conductivity W mK (W/mK) |
|---|---|---|---|---|---|---|---|
| r134a | -40 | 1,294.6 | 0.00046 | 0 | 5.78 | 1,275 | 0.1015 |
| r134a | -30 | 1,272.5 | 0.000397 | 0 | 5.23 | 1,291 | 0.098 |
| r134a | -20 | 1,249.8 | 0.000347 | 0 | 4.83 | 1,310 | 0.0941 |
| r134a | -10 | 1,226.3 | 0.000305 | 0 | 4.51 | 1,332 | 0.09 |
| r134a | 0 | 1,201.9 | 0.00027 | 0 | 4.27 | 1,358 | 0.0859 |
| r134a | 10 | 1,176.4 | 0.00024 | 0 | 4.07 | 1,389 | 0.0818 |
| r134a | 20 | 1,149.4 | 0.000214 | 0 | 3.93 | 1,425 | 0.0776 |
| r134a | 30 | 1,120.8 | 0.000191 | 0 | 3.83 | 1,469 | 0.0733 |
| r134a | 40 | 1,090 | 0.000171 | 0 | 3.77 | 1,522 | 0.069 |
| r134a | 60 | 1,022 | 0.000138 | 0 | 3.82 | 1,660 | 0.06 |
What else is in Engineering Database
Iron Engine ↗Engineering AI at ironengine.ai
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators