Superheated Steam - Entropy

The entropy of steam superheated to temperatures above saturation points. This tool provides entropy values for superheated steam at different pressures and temperatures.

Absolute Pressure (kPa)	Saturation Temp (bar)	Sat. Entropy (kJ/kgK)	120°C	150°C	180°C	200°C	230°C	250°C	280°C
150	1.5	111.4	7.239	7.419	7.557	7.644	7.767	7.845	7.957
200	2	120.2	7.279	7.42	7.507	7.631	7.71	7.822
250	2.5	127.4	7.169	7.311	7.4	7.525	7.604	7.717
350	3.5	138.9	6.998	7.146	7.237	7.364	7.444	7.558
400	4	143.6	6.929	7.079	7.171	7.299	7.38	7.495
500	5	151.8	6.965	7.059	7.19	7.272	7.388
600	6	158.8	6.869	6.966	7.1	7.183	7.3
700	7	165	6.786	6.886	7.022	7.107	7.225
800	8	170.4	6.712	6.815	6.954	7.04	7.156
900	9	175.4	6.645	6.751	6.893	6.98	7.101
1000	10	179.9	6.584	6.692	6.838	6.926	7.049
1100	11	184.4		6.638	6.787	6.876	7.001
1200	12	188		6.587	6.739	6.831	6.956
1400	14	195		6.494	6.653	6.748	6.877
1600	16	201.4			6.577	6.674	6.806
2000	20	212.4			6.44	6.546	6.685
2500	25	223.9			6.292	6.407	6.558
3500	35	242.5			6.173	6.349