iron Thermodynamic Properties vs Temperature (CAS 7439-89-6)

Analyze how thermophysical properties change over a temperature range at a constant pressure of 1 atm.

Input Conditions

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Property Profile for iron

Calculated properties vs. Temperature

Profile Data

Equilibrium Thermodynamic and Transport Properties of iron at 1.01325 bar over -23.15–226.85 °C
Temperature (°C)Specific heat capacity (kJ/kg·K)Density (kg/m³)Dynamic viscosity (cP)Thermal conductivity (W/m·K)Prandtl number ()Molar volume (m³/kmol)Specific enthalpy (kJ)Specific entropy (kJ/kg·K)Phase
-23.150.7492177870N/A 86.5N/A 0.00709593-36.0748-0.131964s
-18.0480.7492177870N/A 85.8158N/A 0.00709593-32.2522-0.116828s
-12.94590.7492177870N/A 85.1528N/A 0.00709593-28.4297-0.101991s
-7.843880.7492177870N/A 84.5024N/A 0.00709593-24.6072-0.0874428s
-2.741840.7492177870N/A 83.8555N/A 0.00709593-20.7846-0.0731716s
2.36020.7492177870N/A 83.2039N/A 0.00709593-16.9621-0.0591672s
7.462240.7492177870N/A 82.5478N/A 0.00709593-13.1396-0.0454197s
12.56430.7492177870N/A 81.8977N/A 0.00709593-9.31704-0.0319199s
17.66630.7492177870N/A 81.2644N/A 0.00709593-5.49451-0.0186591s
22.76840.7492177870N/A 80.6589N/A 0.00709593-1.67198-0.00562893s
27.87040.7492177870N/A 80.0853N/A 0.007095932.150560.0071785s
32.97240.7492177870N/A 79.4909N/A 0.007095935.973090.0197707s
38.07450.7492177870N/A 78.8715N/A 0.007095939.795620.0321547s
43.17650.7492177870N/A 78.2413N/A 0.0070959313.61820.0443374s
48.27860.7492177870N/A 77.6143N/A 0.0070959317.44070.0563251s
53.38060.7492177870N/A 77.0039N/A 0.0070959321.26320.068124s
58.48270.7492177870N/A 76.4134N/A 0.0070959325.08580.07974s
63.58470.7492177870N/A 75.8394N/A 0.0070959328.90830.0911786s
68.68670.7492177870N/A 75.2786N/A 0.0070959332.73080.102445s
73.78880.7492177870N/A 74.7275N/A 0.0070959336.55340.113545s
78.89080.7492177870N/A 74.1826N/A 0.0070959340.37590.124483s
83.99290.7492177870N/A 73.643N/A 0.0070959344.19840.135263s
89.09490.7492177870N/A 73.1105N/A 0.0070959348.0210.14589s
94.19690.7492177870N/A 72.5869N/A 0.0070959351.84350.156369s
99.2990.7492177870N/A 72.0744N/A 0.0070959355.6660.166703s
104.4010.7492177870N/A 71.5746N/A 0.0070959359.48860.176897s
109.5030.7492177870N/A 71.0869N/A 0.0070959363.31110.186954s
114.6050.7492177870N/A 70.6099N/A 0.0070959367.13360.196877s
119.7070.7492177870N/A 70.1421N/A 0.0070959370.95620.206671s
124.8090.7492177870N/A 69.6821N/A 0.0070959374.77870.216338s
129.9110.7492177870N/A 69.2286N/A 0.0070959378.60120.225883s
135.0130.7492177870N/A 68.7806N/A 0.0070959382.42380.235307s
140.1150.7492177870N/A 68.3378N/A 0.0070959386.24630.244614s
145.2170.7492177870N/A 67.8999N/A 0.0070959390.06880.253807s
150.3190.7492177870N/A 67.4664N/A 0.0070959393.89140.262888s
155.4210.7492177870N/A 67.0371N/A 0.0070959397.71390.271861s
160.5230.7492177870N/A 66.6115N/A 0.00709593101.5360.280728s
165.6260.7492177870N/A 66.1892N/A 0.00709593105.3590.289491s
170.7280.7492177870N/A 65.7699N/A 0.00709593109.1810.298152s
175.830.7492177870N/A 65.3533N/A 0.00709593113.0040.306715s
180.9320.7492177870N/A 64.9389N/A 0.00709593116.8270.315181s
186.0340.7492177870N/A 64.5264N/A 0.00709593120.6490.323552s
191.1360.7492177870N/A 64.1155N/A 0.00709593124.4720.331831s
196.2380.7492177870N/A 63.7057N/A 0.00709593128.2940.340019s
201.340.7492177870N/A 63.2967N/A 0.00709593132.1170.348119s
206.4420.7492177870N/A 62.8887N/A 0.00709593135.9390.356132s
211.5440.7492177870N/A 62.4834N/A 0.00709593139.7620.36406s
216.6460.7492177870N/A 62.0824N/A 0.00709593143.5840.371905s
221.7480.7492177870N/A 61.6874N/A 0.00709593147.4070.379669s
226.850.7492177870N/A 61.3N/A 0.00709593151.2290.387354s

Property Profiles for iron

Heat Capacity (Cp) vs Temperature

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Density vs Temperature

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Thermal Conductivity vs Temperature

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Thermodynamic Property Profile at Constant Pressure

This page presents the temperature-dependent thermodynamic and transport properties of iron (CAS 7439-89-6) calculated at a constant pressure of 1 atm (101325 Pa) over the temperature range 250-500 K.

The properties shown - specific heat capacity (Cp), density (ρ), dynamic viscosity (μ), thermal conductivity (k), Prandtl number (Pr), molar volume (Vm), specific enthalpy (H), and specific entropy (S) - are among the most commonly used parameters in chemical engineering calculations, process simulation, and thermal system design.

All values are generated programmatically using validated thermodynamic correlations and equations of state and represent equilibrium properties at the specified pressure.


Understanding the Property Trends

  • Specific heat capacity (Cp) indicates the amount of energy required to raise the temperature of iron and is critical for energy balance and heat-exchanger design.
  • Density (ρ) and molar volume (Vm) describe volumetric behavior and are required for flow calculations, equipment sizing, and storage design.
  • Dynamic viscosity (μ) governs fluid flow resistance, influencing Reynolds number and pressure drop.
  • Thermal conductivity (k) and Prandtl number (Pr) are essential inputs for convective heat-transfer correlations.
  • Specific enthalpy (H) and specific entropy (S) are fundamental thermodynamic properties used in process modeling, compression, and expansion analysis.

Property trends with temperature may vary depending on molecular structure, intermolecular interactions, and phase stability.


Engineering Applications

The temperature-dependent properties of iron at atmospheric pressure are commonly required in:

  • Heat exchanger and reactor design
  • Process simulation and thermodynamic modeling
  • Fluid flow and pressure-drop calculations
  • Energy balance and equipment sizing
  • Chemical engineering education and research

These profiles are particularly useful when evaluating system performance over a wide operating temperature range under near-ambient pressure conditions.


Frequently Asked Questions

At what pressure are these properties calculated?
All properties on this page are calculated at a constant pressure of 1 atm (101325 Pa).

Can these values be used in process simulation software?
Yes. The data is suitable for preliminary design, validation, and educational use. For licensed simulators, vendor-specific property packages should be referenced.

Can I change the pressure or temperature range?
Yes. Use the interactive controls above to generate custom property profiles at different pressures or temperature ranges.


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