R290 pressure–temperature chart

R290 (Propane)

A3GWP (AR4) 3

Pressures are gauge, in bar (g): bar (a) minus 1.01325 bar.

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°C	Saturation pressure bar (g)
-45	-0.12
-44	-0.08
-43	-0.04
-42	0.01
-41	0.05
-40	0.10
-39	0.15
-38	0.20
-37	0.25
-36	0.30
-35	0.36
-34	0.42
-33	0.48
-32	0.54
-31	0.60
-30	0.67
-29	0.73
-28	0.80
-27	0.87
-26	0.95
-25	1.02
-24	1.10
-23	1.18
-22	1.26
-21	1.35
-20	1.43
-19	1.52
-18	1.61
-17	1.71
-16	1.80
-15	1.90
-14	2.00
-13	2.11
-12	2.22
-11	2.33
-10	2.44
-9	2.56
-8	2.67
-7	2.80
-6	2.92
-5	3.05
-4	3.18
-3	3.31
-2	3.45
-1	3.59
0	3.73
1	3.88
2	4.03
3	4.18
4	4.34
5	4.50
6	4.66
7	4.83
8	5.00
9	5.17
10	5.35
11	5.53
12	5.72
13	5.91
14	6.10
15	6.30
16	6.50
17	6.71
18	6.92
19	7.13
20	7.35
21	7.57
22	7.80
23	8.03
24	8.27
25	8.51
26	8.75
27	9.00
28	9.26
29	9.51
30	9.78
31	10.04
32	10.32
33	10.60
34	10.88
35	11.17
36	11.46
37	11.76
38	12.06
39	12.37
40	12.68
41	13.00
42	13.32
43	13.65
44	13.99
45	14.33
46	14.68
47	15.03
48	15.39
49	15.75
50	16.12
51	16.50
52	16.88
53	17.26
54	17.66
55	18.06
56	18.46
57	18.88
58	19.30
59	19.72
60	20.15
61	20.59
62	21.04
63	21.49
64	21.95
65	22.42
66	22.89
67	23.37
68	23.86
69	24.35
70	24.85
71	25.36
72	25.88
73	26.41
74	26.94
75	27.48
76	28.03
77	28.59
78	29.15
79	29.72
80	30.31
81	30.90
82	31.50
83	32.10
84	32.72
85	33.35
86	33.98
87	34.63
88	35.29
89	35.95
90	36.63
91	37.31
92	38.01

Saturation data derived from reference equations of state. Always cross-check against calibrated gauges.