Refrigerant 503 (Azeotrope of R-23 and R-13) properties of saturated liquid and saturated vapor
From ASHRAE (1997), with permission
Values shown in red
are at the boiling point
Values shown in bold are at the
critical point
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-125 |
0.00628 |
1570.2 |
2.2340 |
56.55 |
258.14 |
0.3199 |
1.6807 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
-120 |
0.01002 |
1559.4 |
1.4445 |
61.41 |
260.35 |
0.3522 |
1.6512 |
0.502 |
- |
- |
- |
- |
- |
- |
126.6 |
- |
- |
-115 |
0.01544 |
1548.1 |
0.96468 |
66.36 |
262.54 |
0.3840 |
1.6244 |
0.541 |
- |
- |
- |
- |
- |
- |
123.6 |
- |
- |
-110 |
0.02307 |
1536.0 |
0.66318 |
71.39 |
264.71 |
0.4152 |
1.6002 |
0.577 |
0.498 |
- |
- |
- |
- |
- |
120.7 |
- |
- |
-108 |
0.02689 |
1531.0 |
0.57512 |
73.42 |
265.57 |
0.4276 |
1.5911 |
0.591 |
0.501 |
- |
- |
- |
- |
- |
119.5 |
- |
- |
-106 |
0.03119 |
1526.0 |
0.50073 |
75.46 |
266.43 |
0.4399 |
1.5824 |
0.605 |
0.504 |
- |
- |
- |
- |
- |
118.3 |
- |
- |
-104 |
0.03604 |
1520.8 |
0.43763 |
77.52 |
267.28 |
0.4521 |
1.5739 |
0.619 |
0.508 |
- |
- |
- |
- |
- |
117.2 |
- |
- |
-102 |
0.04148 |
1515.4 |
0.38388 |
79.58 |
268.12 |
0.4642 |
1.5658 |
0.632 |
0.511 |
- |
- |
- |
- |
- |
116.0 |
- |
- |
-100 |
0.04756 |
1510.0 |
0.33792 |
81.66 |
268.96 |
0.4763 |
1.5580 |
0.645 |
0.514 |
- |
- |
- |
385.6 |
- |
114.8 |
- |
- |
-98 |
0.05432 |
1504.5 |
0.29845 |
83.75 |
269.79 |
0.4882 |
1.5504 |
0.658 |
0.518 |
- |
- |
- |
374.0 |
- |
113.7 |
- |
- |
-96 |
0.06184 |
1498.8 |
0.26444 |
85.85 |
270.62 |
0.5001 |
1.5431 |
0.671 |
0.521 |
- |
- |
- |
362.7 |
- |
112.5 |
- |
- |
-94 |
0.07016 |
1493.1 |
0.23503 |
87.96 |
271.43 |
0.5119 |
1.5361 |
0.684 |
0.524 |
- |
- |
- |
351.8 |
- |
111.3 |
- |
- |
-92 |
0.07934 |
1487.2 |
0.20951 |
90.08 |
272.24 |
0.5237 |
1.5292 |
0.697 |
0.528 |
- |
- |
- |
341.2 |
- |
110.2 |
- |
- |
-90 |
0.08944 |
1481.2 |
0.18729 |
92.21 |
273.04 |
0.5353 |
1.5227 |
0.710 |
0.531 |
- |
- |
- |
331.0 |
- |
109.0 |
- |
- |
-88 |
0.10052 |
1475.1 |
0.16788 |
94.35 |
273.83 |
0.5469 |
1.5163 |
0.723 |
0.535 |
- |
- |
- |
321.2 |
- |
107.9 |
- |
- |
-87.86 |
0.10132 |
1474.7 |
0.16664 |
94.50 |
273.89 |
0.5477 |
1.5159 |
0.724 |
0.535 |
- |
- |
- |
320.5 |
- |
107.8 |
- |
- |
-86 |
0.11265 |
1468.9 |
0.15088 |
96.50 |
274.62 |
0.5584 |
1.5101 |
0.736 |
0.538 |
- |
- |
- |
311.6 |
- |
106.7 |
- |
- |
-84 |
0.12589 |
1462.5 |
0.13594 |
98.66 |
275.39 |
0.5698 |
1.5042 |
0.749 |
0.542 |
- |
- |
- |
302.5 |
- |
105.6 |
- |
- |
-82 |
0.14031 |
1456.0 |
0.12277 |
100.82 |
276.15 |
0.5812 |
1.4984 |
0.762 |
0.546 |
- |
- |
- |
293.6 |
- |
104.4 |
- |
- |
-80 |
0.15597 |
1449.4 |
0.11113 |
103.00 |
276.90 |
0.5924 |
1.4928 |
0.776 |
0.550 |
- |
- |
- |
285.0 |
- |
103.2 |
- |
- |
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-78 |
0.17294 |
1442.6 |
0.10082 |
105.18 |
277.64 |
0.6036 |
1.4874 |
0.789 |
0.554 |
- |
- |
- |
276.8 |
- |
102.1 |
- |
- |
-76 |
0.19130 |
1435.8 |
0.09165 |
107.37 |
278.37 |
0.6147 |
1.4821 |
0.803 |
0.558 |
- |
- |
- |
268.8 |
- |
100.9 |
- |
- |
-74 |
0.21111 |
1428.7 |
0.08349 |
109.56 |
279.09 |
0.6257 |
1.4770 |
0.818 |
0.562 |
- |
- |
- |
261.1 |
- |
99.8 |
- |
- |
-72 |
0.23245 |
1421.6 |
0.07621 |
111.76 |
279.80 |
0.6366 |
1.4720 |
0.832 |
0.567 |
- |
- |
- |
253.7 |
- |
98.6 |
- |
- |
-70 |
0.25539 |
1414.3 |
0.06969 |
113.97 |
280.50 |
0.6475 |
1.4672 |
0.847 |
0.571 |
- |
- |
- |
246.5 |
- |
97.5 |
- |
- |
-68 |
0.28001 |
1406.9 |
0.06384 |
116.19 |
281.18 |
0.6582 |
1.4625 |
0.862 |
0.576 |
- |
- |
- |
239.6 |
- |
96.4 |
- |
- |
-66 |
0.30638 |
1399.3 |
0.05858 |
118.41 |
281.85 |
0.6689 |
1.4579 |
0.878 |
0.581 |
- |
- |
- |
232.9 |
- |
95.2 |
- |
- |
-64 |
0.33458 |
1391.5 |
0.05384 |
120.64 |
282.51 |
0.6795 |
1.4535 |
0.894 |
0.586 |
- |
- |
- |
226.5 |
- |
94.1 |
- |
- |
-62 |
0.36468 |
1383.6 |
0.04956 |
122.87 |
283.15 |
0.6901 |
1.4491 |
0.911 |
0.591 |
- |
- |
- |
220.3 |
- |
92.9 |
- |
- |
-60 |
0.39677 |
1375.6 |
0.04569 |
125.11 |
283.78 |
0.7005 |
1.4449 |
0.928 |
0.597 |
- |
- |
- |
214.3 |
- |
91.8 |
- |
11.24 |
-58 |
0.43092 |
1367.4 |
0.04219 |
127.36 |
284.39 |
0.7109 |
1.4408 |
0.946 |
0.602 |
- |
- |
- |
208.5 |
- |
90.6 |
- |
10.88 |
-56 |
0.46722 |
1359.0 |
0.03900 |
129.62 |
284.99 |
0.7212 |
1.4367 |
0.965 |
0.608 |
- |
- |
- |
202.9 |
- |
89.5 |
- |
10.51 |
-54 |
0.50574 |
1350.4 |
0.03610 |
131.88 |
285.57 |
0.7314 |
1.4328 |
0.984 |
0.614 |
- |
- |
- |
197.6 |
- |
88.3 |
- |
10.15 |
-52 |
0.54657 |
1341.7 |
0.03346 |
134.15 |
286.14 |
0.7416 |
1.4289 |
1.003 |
0.621 |
- |
- |
- |
192.4 |
- |
87.2 |
- |
9.80 |
-50 |
0.58980 |
1332.8 |
0.03105 |
136.42 |
286.69 |
0.7517 |
1.4251 |
1.024 |
0.627 |
- |
- |
- |
187.3 |
- |
86.0 |
- |
9.44 |
-48 |
0.63550 |
1323.7 |
0.02884 |
138.71 |
287.22 |
0.7617 |
1.4214 |
1.045 |
0.634 |
- |
- |
- |
182.5 |
- |
84.9 |
- |
9.09 |
-46 |
0.68376 |
1314.4 |
0.02682 |
141.00 |
287.73 |
0.7717 |
1.4177 |
1.067 |
0.641 |
- |
- |
- |
177.8 |
- |
83.7 |
- |
8.74 |
-44 |
0.73467 |
1304.9 |
0.02497 |
143.30 |
288.23 |
0.7816 |
1.4141 |
1.090 |
0.649 |
- |
- |
- |
173.3 |
- |
82.6 |
- |
8.40 |
-42 |
0.78832 |
1295.3 |
0.02326 |
145.62 |
288.70 |
0.7915 |
1.4105 |
1.113 |
0.656 |
- |
- |
- |
168.9 |
- |
81.4 |
- |
8.06 |
-40 |
0.84479 |
1285.4 |
0.02169 |
147.94 |
289.15 |
0.8014 |
1.4070 |
1.138 |
0.664 |
- |
- |
- |
164.7 |
- |
80.3 |
- |
7.72 |
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
-38 |
0.90418 |
1275.3 |
0.02025 |
150.28 |
289.58 |
0.8111 |
1.4035 |
1.163 |
0.673 |
- |
- |
- |
160.6 |
- |
79.1 |
- |
7.38 |
-36 |
0.96658 |
1264.9 |
0.01891 |
152.63 |
289.99 |
0.8209 |
1.4001 |
1.190 |
0.681 |
- |
- |
- |
156.7 |
- |
77.9 |
- |
7.05 |
-34 |
1.0321 |
1254.3 |
0.01767 |
155.00 |
290.37 |
0.8306 |
1.3966 |
1.217 |
0.690 |
- |
- |
- |
152.9 |
- |
76.8 |
- |
6.72 |
-32 |
1.1008 |
1243.5 |
0.01653 |
157.38 |
290.72 |
0.8403 |
1.3932 |
1.246 |
0.699 |
- |
- |
- |
149.2 |
- |
75.6 |
- |
6.40 |
-30 |
1.1728 |
1232.5 |
0.01547 |
159.78 |
291.05 |
0.8499 |
1.3898 |
1.275 |
0.709 |
- |
- |
- |
145.7 |
- |
74.5 |
- |
6.08 |
-28 |
1.2482 |
1221.1 |
0.01448 |
162.20 |
291.34 |
0.8596 |
1.3864 |
1.306 |
0.719 |
- |
- |
- |
142.2 |
- |
73.3 |
- |
5.76 |
-26 |
1.3271 |
1209.5 |
0.01356 |
164.64 |
291.60 |
0.8692 |
1.3830 |
1.337 |
0.729 |
- |
- |
- |
138.9 |
- |
72.1 |
- |
5.45 |
-24 |
1.4096 |
1197.6 |
0.01271 |
167.11 |
291.83 |
0.8789 |
1.3795 |
1.370 |
0.740 |
- |
- |
- |
135.7 |
- |
71.0 |
- |
5.14 |
-22 |
1.4958 |
1185.3 |
0.01191 |
169.60 |
292.02 |
0.8886 |
1.3760 |
1.404 |
0.751 |
- |
- |
- |
132.5 |
- |
69.8 |
- |
- |
-20 |
1.5858 |
1172.8 |
0.01116 |
172.12 |
292.17 |
0.8983 |
1.3725 |
1.440 |
0.762 |
- |
- |
- |
- |
- |
68.6 |
- |
- |
-18 |
1.6798 |
1159.8 |
0.01047 |
174.68 |
292.27 |
0.9080 |
1.3689 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
-16 |
1.7778 |
1146.5 |
0.00981 |
177.27 |
292.33 |
0.9178 |
1.3652 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
-14 |
1.8800 |
1132.8 |
0.00920 |
179.91 |
292.33 |
0.9276 |
1.3615 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
-12 |
1.9865 |
1118.7 |
0.00862 |
182.59 |
292.28 |
0.9376 |
1.3576 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
-10 |
2.0974 |
1104.1 |
0.00808 |
185.32 |
292.16 |
0.9476 |
1.3536 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
-8 |
2.2129 |
1088.9 |
0.00757 |
188.11 |
291.98 |
0.9577 |
1.3495 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
-6 |
2.3330 |
1073.2 |
0.00709 |
190.96 |
291.71 |
0.9680 |
1.3451 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
-4 |
2.4580 |
1056.9 |
0.00663 |
193.89 |
291.35 |
0.9785 |
1.3406 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
-2 |
2.5880 |
1039.9 |
0.00619 |
196.90 |
290.90 |
0.9891 |
1.3358 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
2.7230 |
1022.0 |
0.00578 |
200.00 |
290.32 |
1.0000 |
1.3307 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Temp., °C |
Absolute pressure, MPa |
Density, kg/m3 |
Volume, m3/kg |
Enthalpy, kJ/kg |
Entropy, kJ/kg·K |
Specific heat, cp, kJ/kg·K |
cp/cv |
Velocity of sound, m/s |
Viscosity, |
Thermal cond., mW/m·K |
Surface tension, mN/m |
||||||
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
Liquid |
Vapor |
|||
2 |
2.8634 |
1003.2 |
0.00539 |
203.21 |
289.62 |
1.0112 |
1.3252 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
4 |
3.0092 |
983.3 |
0.00501 |
206.55 |
288.76 |
1.0227 |
1.3193 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
6 |
3.1606 |
962.0 |
0.00465 |
210.04 |
287.70 |
1.0346 |
1.3128 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
8 |
3.3177 |
939.1 |
0.00430 |
213.72 |
286.42 |
1.0470 |
1.3056 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
10 |
3.4809 |
913.9 |
0.00395 |
217.62 |
284.85 |
1.0600 |
1.2975 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
12 |
3.6502 |
885.8 |
0.00361 |
221.82 |
282.90 |
1.0739 |
1.2881 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
14 |
3.8258 |
853.1 |
0.00327 |
226.45 |
280.43 |
1.0890 |
1.2770 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
16 |
4.0080 |
812.6 |
0.00292 |
231.75 |
277.17 |
1.1061 |
1.2632 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
18 |
4.1969 |
752.8 |
0.00255 |
238.52 |
272.65 |
1.1276 |
1.2449 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
19.5 |
4.357 |
564 |
0.00177 |
258.1 |
258.1 |
1.188 |
1.188 |
inf. | inf. | inf. | 0 |
0 |
- |
- |
inf. | inf. | 0.00 |