P

MPa

t℃

150

190

230

270

310

350

390

430

470

510

0.10

0.15

0.20

0.25

0.30

0.40

0.50

0.80

1.10

1.40

1.70

2.00

2.50

3.00

3.50

4.00

4.50

5.00

6.00

0.5164

0.7781

1.0423

1.3089

1.5783

2.1237

2.6658

4.3966

6.1313

7.8785

9.8464

11.6295

15.1890

18.4168

22.7008

27.164

30.3852

35.4243

43.8954

0.4707

0.7079

0.9466

1.1869

1.4287

1.9166

2.4121

3.9372

5.5342

7.1540

9.2473

10.5676

13.7150

16.7243

20.4427

24.3303

27.4475

31.8342

39.5988

0.4323

0.6500

0.8684

1.0849

1.3079

1.7513

2.1992

3.5655

4.9719

6.4288

7.9352

9.5054

12.2406

15.0367

18.2266

21.4954

24.5096

28.2433

35.3020

0.4001

0.6010

0.8027

1.0048

1.2077

1.6152

2.0255

3.2718

4.5445

5.8437

7.1713

8.5350

10.8794

13.3377

15.9243

18.6603

21.5717

24.6532

31.0062

0.3724

0.5594

0.7465

0.9343

1.1224

1.5000

1.8802

3.0283

4.1943

5.3794

6.5815

7.8061

9.8888

11.9979

14.2565

16.5527

18.9333

21.4221

26.7091

0.3484

0.5230

0.6980

0.8732

1.0488

1.4010

1.7545

2.8227

3.9030

4.9945

6.0998

7.2186

9.1139

11.0494

13.0286

15.0539

17.1279

19.2627

23.7006

0.3272

0.4912

0.6553

0.8198

0.9845

1.3144

1.6456

2.6440

3.6512

4.6673

5.6936

6.7260

8.4750

10.2493

12.0528

13.8862

15.7527

17.6565

21.5629

0.3086

0.4631

0.6178

0.7726

0.9277

1.2377

1.5498

2.4884

3.4335

4.3857

5.3441

6.3090

7.9332

9.5775

11.2425

12.9991

14.6679

16.3719

19.9062

0.2919

0.4381

0.5842

0.7316

0.8856

1.1708

1.4648

2.3500

3.2402

4.3496

5.0374

5.9419

7.4632

8.9991

10.5512

12.1835

13.7009

15.3017

18.5495

0.2769

0.4156

0.5541

0.6925

0.8320

1.1102

1.3888

2.2274

3.0690

3.9157

4.7665

5.6204

7.0515

8.4945

9.9499

11.4169

12.8950

14.3859

17.4029