I. Quantities, Constants, Units.- Table A. Quantities and Units Presented.- Table B. Constant Quantities of Ordinary Water.- Table C. Conversion of Units.- Table D. Thermodynamic Relationships between the Properties p, ?, T, s, u, h and their Derivatives.- II. Tables of the Properties of Ordinary Water Substance.- Table 1. Thermodynamic and Transport Properties of Liquid Water and Superheated Steam inclusive the Saturation Values from the Triple Point to 1000°C and 100 MPa: p, t, ?, h, u, s, cp, ?p, ?, ? (Pressure Table).- Table 2. Thermodynamic and Transport Properties of Saturated Water and Steam.- Table 3. Properties of Water at 0.1 MPa from -30 °C to the Saturation Temperature.- III. Diagrams.- Fig. 1. Dynamic Viscosity ? in the p, T-Plane.- Fig.2. Thermal Conductivity ? in the p, T-Plane.- Fig.3. Prandtl-Number Pr = ?cp / ? in the p, T-Plane.- Fig.4. Pressure-Enthalpy (log10p, h)-Diagram.- Fig. 5. T, s, p-Surface of Water Substance.- Fig. 6. T, s-Diagram.- Fig. 7. p, ?, T-Surface of Water Substance.- Fig. 8. Mollier h, s-Diagram for Steam p ? 100MPa; 50°C ? t ? 800°C.- Fig.9. Mollier h, s-Diagram for Compressed Water p ? 150MPa; -2°C ? t ? 20°C.- Fig. 10. Mollier h, s-Diagram for Compressed Water p ? 1100 MPa; -22°C ? t ? 72°C.- Fig. 11. Mollier h, s-Diagram for Compressed Water p ? 2900MPa; -22°C ? t ? 420°C.