Steam HX app icon

Steam HX — Industrial Steam Property Calculator

The ultimate industrial steam-property calculator for iPhone, iPad and Mac.

Steam HX lets you quickly and accurately calculate all the thermodynamic properties of water and steam — built on the IAPWS-IF97 standard. Use it for engineering field calculations, to learn to read steam tables, or to practice for the FE/PE exams.

Download Steam HX on the App Store iPhone · iPad · Mac
Features

Everything water and steam, in your pocket

  1. SI (Metric) and IP (English) unit systems supported. Toggle between SI and IP calculations without losing results.
  2. Input properties — 8 independent interfaces:
    • Saturated Pressure
    • Saturated Temperature
    • Pressure & Temperature
    • Pressure & Specific Entropy
    • Pressure & Specific Enthalpy
    • Pressure & Specific Volume
    • Pressure & Quality
    • Temperature & Quality
  3. Calculated properties:
    • Specific Volume
    • Specific Internal Energy
    • Specific Enthalpy
    • Specific Entropy
    • Quality
    • Temperature
    • Pressure
    • Specific heat at constant pressure (cp) and constant volume (cv)
    • Saturation properties
  4. Compressed / Subcooled, Saturated, and Superheated regions are identified after calculations.
  5. Built-in Linear Interpolation solver — fill in any five of six table values, leave the unknown one blank, and Steam HX computes it by linear interpolation. Tap the computed value to copy it, and switch the field grid between 3 rows × 2 columns and 2 rows × 3 columns to match how your steam table is printed.
  6. Copy results to the clipboard — press and hold the results grid until it highlights, then release to copy every calculated property and unit for texting, email or reports.
  7. Multiple pressure & temperature SI unit options: bar, MPa, kPa, °C, and K. IP uses psi and °F.
  8. Fun animated flip views let you switch between SI and IP unit systems. Perform and display calculations in SI and IP units almost simultaneously.
  9. Thermodynamic region-5 correlations valid up to 500 bar (7,251 psi) and 2,273 K (3,631 °F). High pressure and temperature capabilities are essential for modern turbomachinery analysis.
  10. Latest mathematical correlations for steam regions 1 through 5 based on the IAPWS-IF97 (with 2007 update) adopted standards.
  11. In-program user's guide and simple user interface.