饱和蒸汽密度表
饱和及过热蒸汽和常用气体密度表
一、饱和蒸汽密度表饱和蒸汽密度表(单位：密度─ρ=Kg/m3；压力─P=MPa；温度─t=℃)0 1 2温度 （）℃压力( P )密度( ρ ) 压力( P )密度( ρ )压力( P )密度( ρ )100 0.1013 0.5977 0.1050 0.6180 0.1088 0.6388 110 0.1433 0.8265 0.1481 0.8528 0.1532 0.8798 120 0.1985 1.122 0.2049 1.155 0.2114 1.190 130 0.2701 1.497 0.2783 1.539 0.2867 1.583 140 0.3614 1.967 0.3718 2.019 0.3823 2.073 150 0.4760 2.548 0.4888 2.613 0.5021 2.679 160 0.6181 3.260 0.6339 3.339 0.6502 3.420 170 0.7920 4.123 0.8114 4.218 0.8310 4.316 180 1.0027 5.160 1.0259 5.274 1.0496 5.391 190 1.2551 6.397 1.2829 6.532 1.3111 6.671 200 1.5548 7.864 1.5876 8.025 1.6210 8.188 210 1.9077 9.593 1.9462 9.782 1.9852 9.974 220 2.3198 11.62 2.3645 11.84 2.4098 12.07 230 2.7975 14.00 2.8491 14.25 2.9010 14.52 240 3.3477 16.76 3.4070 17.06 3.4670 17.373 4 5温度（）℃ 压力(P) 密度(ρ) 压力(P) 密度(ρ) 压力(P) 密度(ρ) 100 0.1127 0.6601 0.1167 0.6952 0.1208 0.7105 110 0.1583 0.9075 0.1636 0.9359 0.1691 0.9650 120 0.2182 1.225 0.2250 1.261 0.2321 1.298 130 0.2953 1.627 0.3041 1.672 0.3130 1.719 140 0.3931 2.129 0.4042 2.185 0.4155 2.242 150 0.5155 2.747 0.5292 2.816 0.5433 2.886 160 0.6666 3.502 0.6835 3.586 0.7008 3.671 170 0.8511 4.415 0.8716 4.515 0.8924 4.618 180 1.0737 5.509 1.0983 5.629 1.1233 5.752 190 1.3397 6.812 1.3690 6.955 1.3987 7.100 200 1.6548 8.354 1.6892 8.522 1.7242 8.694 210 2.0248 10.17 2.0650 10.37 2.1059 10.57 220 2.4559 12.30 2.5026 12.53 2.5500 12.76 230 2.9546 14.78 3.0085 15.05 3.0631 15.33 240 3.5279 17.68 3.5897 17.99 3.6522 18.316 7 8 9温度℃ 压力(P) 密度(ρ) 压力(P) 密度(ρ) 压力(P) 密度(ρ) 压力(P) 密度(ρ) 100 0.1250 0.7277 0.1294 0.7515 0.1339 0.7758 0.1385 0.8008 110 0.1746 0.9948 0.1804 1.025 0.1863 1.057 0.1923 1.089 120 0.2393 1.336 0.2467 1.375 0.2543 1.415 0.2621 1.455 130 0.3222 1.766 0.3317 1.815 0.3414 1.864 0.3513 1.915 140 0.4271 2.301 0.4389 2.361 0.4510 2.422 0.4633 2.484 150 0.5577 2.958 0.5723 3.032 0.5872 3.106 0.6025 3.182 160 0.7183 3.758 0.7362 3.847 0.7544 3.937 0.7730 4.029 170 0.9137 4.723 0.9353 4.829 0.9573 4.937 0.9797 5.048 180 1.1487 5.877 1.1746 6.003 1.2010 6.312 1.2278 6.264 190 1.4289 7.248 1.4596 7.398 1.4909 7.551 1.5225 7.706 200 1.7597 8.868 1.7959 9.045 1.8326 9.225 1.8699 9.408 210 2.1474 10.77 2.1896 10.98 2.2323 11.19 2.2757 11.41 220 2.5981 13.00 2.6469 13.24 2.6963 13.49 2.7466 13.74 230 3.1185 15.61 3.1746 15.89 3.2316 16.18 3.2892 16.47 240 3.7155 18.64 3.7797 18.97 3.8448 19.30 3.9107 19.64二、过热蒸汽密度表过热蒸汽密度表(单位：ρ=Kg/m3)t（℃）PMPa 150 170 190 210 230 250 270 2900.10 0.15 0.20 0.25 0.30 0.40 0.500.801.10 1.401.702.002.503.003.504.004.505.006.007.008.009.0010.0 12.5 15.0 17.520.021.50.51640.77811.04231.30891.57832.12372.66584.39666.13137.87859.846411.629515.189018.416822.700827.16430.385235.424343.895456.720165.471384.5457108.6250158.3464206.4175250.3934327.8165384.66470.49250.74120.99181.24441.49902.01412.53804.16765.83327.51639.368811.098514.451617.570921.571325.747028.916333.629341.747553.699162.180079.8261102.0289148.7516194.4276236.6910309.9521363.29750.47070.70790.94661.18691.42871.91662.41213.93725.53427.15409.247310.567613.715016.724320.442724.330327.447531.834239.598850.678058.888375.106195.4346139.1578182.4477222.8603291.2953341.90270.45070.67770.90561.13491.36531.82972.29973.74005.23566.79138.413010.036612.977615.877619.313122.912925.978430.038437.450847.656155.596870.386388.8412129.5629170.4577209.1592273.4409320.54550.43230.65000.86841.08491.30791.75132.19923.56554.97196.42887.93529.505412.240615.036718.226621.495424.509628.243335.302044.635252.306165.666582.2486119.9781158.4766195.4568255.5786299.18800.41560.62460.83421.04451.25401.65272.10813.41104.74596.11477.52198.974411.503614.184217.053020.077823.040726.448333.154141.613349.014560.946575.6543110.3842146.4967181.6261236.9217277.79310.40010.60100.80271.00481.20771.61522.02553.27184.54455.84377.17138.535010.879413.337715.924318.660321.571724.653231.006238.592245.723156.22065.769995.7769127.6820163.4280219.0574256.42600.38570.57950.77360.96821.16341.55541.94953.14534.36125.60066.86078.144710.350012.635915.016317.499720.102822.858028.857435.570442.431651.507762.467691.1964122.5268154.2312201.2031235.0688过热蒸汽密度表一t（℃）PMPa 310 330 350 370 390 410 430 4500.10 0.15 0.20 0.25 0.30 0.40 0.500.801.10 1.401.702.002.503.003.504.004.505.006.007.008.009.0010.0 12.5 15.0 17.520.021.50.37240.55940.74650.93431.12241.50001.88023.02834.19435.37946.58157.80619.888811.997914.256516.552718.933321.422126.709132.548839.139946.787759.664881.6034110.5369140.3919182.5462213.67390.36000.54040.72140.90271.08441.47011.81472.92154.04195.17776.33097.49559.480611.514313.850115.74917.960820.250825.050230.223135.848542.068049.280272.010598.5531126.6895174.3185192.31640.34840.52300.69800.87321.04881.40101.75452.82273.90304.99456.09987.21869.113911.049413.028615.053917.127919.262723.700628.403733.417938.808344.756062.417886.5688116.3142166.0907171.86510.33750.50660.67590.84561.01561.35631.69832.73053.77224.82605.77796.96198.780210.630812.616214.439216.401818.410822.557029.903531.482536.321741.527456.149674.5840100.8176137.7965150.00740.32720.49120.65530.81980.98451.31441.64562.64403.65124.66735.69366.72608.475010.249312.052813.886215.752717.656521.562925.633029.869834.304439.000651.821266.834185.3228108.5430128.16140.31760.47670.63600.79550.95521.27531.59612.56353.53844.52205.51206.51178.19389.900011.630813.307714.757916.982720.690024.522428.496932.294736.934448.501561.553076.618594.4945106.63600.30860.46310.61780.77260.92771.23771.54982.48843.43354.38575.34416.30907.93329.577511.242512.999114.667916.371919.906223.402127.291331.159335.168445.802357.513770.571185.327695.13660.29980.45020.60050.75070.89891.20351.50602.41713.33454.25755.18636.12037.68989.281610.884212.508714.150715.813919.198122.663526.017029.873333.644743.543154.249765.933178.775987.0939过热蒸汽密度表二t（℃）PMPa 470 490 510 530 550 570 5900.10 0.15 0.20 0.25 0.30 0.40 0.500.801.10 1.401.702.002.503.003.504.004.505.006.007.008.009.0010.0 12.5 15.0 17.520.021.5 0.29190.43810.58420.73160.88561.17081.46482.35003.24024.34965.03745.94197.46328.999110.551212.183513.700915.301718.549521.867525.264028.463732.300241.588451.526562.180773.685881.01840.28420.42700.56880.71130.85401.13961.42582.28693.15294.22914.89725.77607.25118.738810.240211.754813.282214.824917.951821.137324.386427.697131.086339.856949.138159.005069.519676.16210.27690.41560.55410.69250.83201.11021.38882.22743.06903.91574.76655.62047.05158.49459.949911.416912.895014.385917.402920.469923.590526.767630.011638.353747.124956.342766.060272.13760.27000.40520.54030.67570.81081.08211.35372.17002.99023.81434.64085.47256.86378.26579.677611.099412.531513.974916.891219.850622.857325.906829.016436.993645.308753.987563.067468.71080.26340.39530.52710.65910.79131.05561.32042.11642.91503.71834.52305.33226.68588.04869.419710.800312.189413.588516.411919.274522.174225.112428.100035.741443.668051.898560.449365.73700.25710.38580.51460.75580.77241.03031.28872.06502.84493.62714.41165.19896.51777.84379.177710.519111.868313.226715.965718.735021.540024.377127.255734.607242.193650.023758.125363.11320.25120.37680.50260.62840.75401.00621.25852.01682.77743.54014.30565.07456.35827.64988.948010.253311.565012.885015.544018.231420.950023.694926.473833.554140.834948.326956.040260.7719过热蒸汽密度表三三、常用气体密度表常用气体密度表气体名称 0℃760mmHg(Kg/m3)20℃ 760mmHg(Kg/m3)气体名称0℃760mmHg(Kg/m3)20℃ 760mmHg(Kg/m3)干空气 1.2928 1.205 乙炔 1.1717 1.091 氮 1.2506 1.165 甲烷 0.7167 0.668 氢 0.08988 0.084 乙烷 1.3567 1.263 氧 1.4289 1.331 丙烷 2.005 1.867 氯 3.214 3.00 乙烯 1.2604 1.174 氨 0.771 0.719 丙烯 1.914 1.784一氧化碳 1.2504 1.165 天然气 根据组份确定根据组份确定 二氧化碳 1.977 1.842 煤气 根据组份确定根据组份确定。
饱和蒸汽密度压力温度一览表
7.113
1.4
198
7.602
1.5
200
8.092
1.6
205
8.581
1.7
207
9.071
1.8
210
9.561
1.9
213
10.072
2.0
215
10.547
2.1
218
11.085
2.2
220
11.532
2.3
222
12.070
2.4
224
12.523
2.5
226
13.015
3.0
20.246
9.970
173
8.679
4.413
213
20.651
10.170
174
8.888
4.515
214
21.061
10.360
过热蒸汽密度与温度、压力的关系（绝对压力）
表中压力为绝对压力，查表时应按仪表显示压力。密度单位为kg/m3
绝对压力
饱和蒸汽温度
饱和蒸汽密度
绝对压力
饱和蒸汽温度
饱和蒸汽密度
饱和蒸汽密度压力温度一览表
温度℃
压力kgf/m3
密度kg/m3
温度℃
压力kgf/m3
密度kg/m3
120
2.0245
1.121
175
9.101
4.617
122
2.1561
1.189
176
9.317
4.721
124
2.2947
1.261
177
9.538
4.829
6
2.4404
水蒸汽,空气密度表
空气密度
表
绝对压力 空气温度 空气密度 绝对压力 空气温度 空气密度
Mpa
摄氏度 Kg/m3 Mpa
摄氏度 Kg/m3
0.1
25
1.1691 1.4
25
16.367
0.2
25
2.3381 1.5
25
17.537
0.3
25
3.5073 1.6
25
18.706
0.4
25
4.6764 1.7
25
19.875
火、高热能引起燃烧爆炸。燃烧时生成 灭火方法 迅速脱离现场至空气新鲜处。保持呼吸
道通畅。如呼吸困难，给输氧。如呼吸 危险特性 本品对肺有轻微刺激性，主要作用于中
枢神经系统，严重中毒时可引起抽搐， 吸入
合成含硫的有机化合物。
健康危害
分子量
60.07
外观与性状
无色恶臭,易 潮解
燃爆危险
易燃，有毒
熔点(℃) -138.2
沸点(℃) -50.2
相对密度(水 =1)
1.24(-87℃, 相对蒸气密
液体)
度(空气=1)
2.1
饱和蒸气压 (kPa)
1204.23(21 爆炸上
℃)
限%(V/V)
12
爆炸下 限%(V/V)
28.5
溶解性
溶于水，乙 醇、甲苯
禁配物
强氧化剂、碱类。
主要用途
UN编号 危险货物编 号 纯度
2204 23033 ≥99%
214.8 10.535
0.9
174.3 4.6544 2.2
217.2 11.028
1
179.9 5.1451 2.3
饱和蒸汽温度密度对照表
饱和蒸汽温度、密度对照表之吉白夕凡创作
Mpa=1公斤（kgf/cm2）
概念必须明确：露点温度是指：在一定压力下，气体被冷凝至出现第一滴液滴时的温度，称为该压力下该气体的露点温度。
露点温度在沸点温度左右，比沸点温度稍高一些，因为冷凝和气化正好是个相反的过程。
由于沸点温度是随压力的变更而变更的，所以想要知道露点温度，只要查出该压力下的沸点温度，就知道露点温度的大概范围了。
而为了防止蒸汽在变换炉内发生冷凝，出现液态水危害催化剂，所以变换炉进口的最低温度都控制在，该操纵压力下水蒸气的露点温度以上30-----50℃，绝对不允许低
于此指标。
也就是说，当操纵压力定了，那么变换炉的进口温度也就定了。