外径
/mm

壁  厚/mm

0.5

0.6

0.8

1

1.2

1.4

1.5

1.6

1.8

2.0

2.2

2.5

2.8

3

3.2

3.5

钢管的理论质量/(kg/m)

5

0.055

0.065

0.083

0.099

8

0.092

0.109

0.142

0.173

0.201

10

0.117

0.139

0.181

0.222

0.26

12

0.142

0.169

0.221

0.271

0.320

0.366

0.388

0.41

13

0.183

0.241

0.296

0.343

0.4

0.425

0.45

14

0.198

0.260

0.321

0.379

0.435

0.462

0.489

15

0.123

0.28

0.345

0.408

0.470

0.499

0.529

16

0.228

0.300

0.370

0.438

0.504

0.536

0.568

17

0.243

0.320

0.395

0.468

0.359

0.573

0.608

18

0.257

0.339

0.419

0.497

0.573

0.61

0.647

19

0.272

0.359

0,444

0.527

0.608

0.647

0.687

20

0.287

0.379

0.469

0.556

0.642

0.684

0.726

0.808

0.888

21

0.399

0.493

0.586

0.677

0.721

0.765

0.852

0.937

22

0.418

0.518

0.616

0.7U

0.758

0.805

0.897

0.986

1.074

25

0.477

0.592

0.704

0.815

0.869

0.923

1.03

1.134

1.237

1.387

28

0.537

0.666

0.793

0.918

0.980

1.0412

1.163

1.282

1.4

1.572

1.74

30

0.576

0.715

0.852

0.987

1.054

1.121

1.252

1.381

1.508

1.695

1.878

1.997

32

0.764

0.911

1.065

1.128

1.199

1.341

1.48

1.617

1.1819

2.016

2.145

34

0.814

0.971

1.125

1.202

1.278

1.429

1.578

1.725

1.942

2.154

2.293

37

0.888

1.059

1.229

1.313

1.397

1.562

1.726

1.888

2.127

2.361

2.515

38

0.912

1.089

1.264

1.35

1.436

1.607

1.776

1.942

2.189

2.43

2.589

2.746

2.978

40

0.962

1.148

1.333

1.424

1.515

1.696

1.874

2.051

2.312

2.569

2.737

2.904

3.15

45

1.09

1.3

1.5l

1.61

1.71

1.92

2.12

2.32

2.62

2.91

3.11

3.3

3.58

46

1.33

1.54

1.65

1.75

1.96

2.17

2.38

2.68

2.98

3.18

3.38

3.668

48

1.38

1.6l

1.72

1.83

2.05

2.27

2.48

2.81

3.12

3.33

3.54

3.84

50

1.44

1.68

1.79

1.91

2.14

2.37

2,59

2.93

3.26

3.48

3.69

4.0l

5l

1.47

1.71

1.83

1.95

2.18

2.42

2.65

2.99

3.33

3.55

3.77

4.1

53

1.53

1.78

1.9

2.03

2.27

2.52

2.76

3.11

3.47

3.7

3.93

4.27

54

1.56

1.82

1.94

2.07

2.32

2.56

2.81

3.17

3.54

3.77

4.01

4.36

60

1.74

2.02

2.16

2.3

2.58

2.86

3.14

3.54

3.95

4.22

4.48

4.88

63.5

1.84

2.14

2.29

2.44

2.74

3.03

3.33

3.76

4.19

4.48

4.76

5.18

65

2.35

2.5

2.81

3.11

3.41

3.85

4.29

4.59

4.88

5.31

70

2.37

2.7

3.03

3.35

3.68

4.16

4.64

4.96

5.27

5.74

76

2.76

2.94

3.29

3.65

4

4.53

5.05

5.4

5.74

6.26

80

2.9

3.09

3.47

3.85

4.22

4.78

5.33

5.7

6.06

6.6

83

3.0I

3.2l

3.6

3.99

4.38

4.96

5.54

5.92

6.3

6.86

89

3.24

3.45

3.87

4.29

4.71

5.33

5.95

6.36

6.77

7.38

95

3.46

3.69

4.14

4.59

5.03

5.7

6.37

6.8l

17.24

7.9

101.6

3.7

3.95

4.43

4.91

5.39

6.11

6.82

7.29

7.76

8.47

102

3.72

3.96

4.45

4.93

5.41

6.13

6.85

7.32

7.8

8.5

外径
/mm

壁  厚/mm

3.8

4.0

4.2

4.5

4.8

5.0

5.4

5.6

6.0

6.5

7.0

8.0

9.0

10

11

12.0

12.7

钢管的理论质量/(kg/m)

108

9.76

10.26

10.75

11.49

12.22

12.7

114

10.33

10.85

11.37

12.15

12.93

13.44

14.46

14.97

114.3

10.35

10_88

11.4

12.18

12.96

13.48

14.5

15.01

121

10.98

11.54

12.1

12.93

13.75

14.3

15.39

15.94

127

11.51

12.13

12.72

13.59

14.46

15.04

16.19

16.76

17.9

133

12.11

12.72

13.3-4

14.26

15.17

15.78

16.99

17.59

18.79

139.3

12.7

13.35

13.99

14.96

15.92

16.56

17.83

18.46

19.72

140

12.76

13.42

14.07

15.04

16

16.65

17.92

18.56

19.83

152

13.8

14.6

15.31

16.37

17.42

18.13

19.52

20.22

21.6

159

15.3

16

17.1

18.3

19.0

20.5

21.2

22.6

24.4

26.2

165.1

15.9

16.7

17.8

19.0

19.7

21.3

22.0

23.5

25.4

27.3

168.3

16.2

17

18.2

19.4

20.1

21.7

22.5

24.0

25.9

27.8

177.8

17.1

18

19.2

20.5

21.3

23.0

23.8

25.4

27.5

29.5

33.5

180

17.4

18.2

19.5

20.7

21.6

23.3

24.1

25.7

27.8

29.9

33.9

193.7

18.7

19.6

21

22.4

23.3

25.1

26

27.8

30.0

32.2

36.6

203

22

23.5

2,4.4

26.3

27.3

29.1

31.5

33.8

38.5

219.1

23.8

25.4

26.4

28.5

29.5

31.5

34.1

36.6

41.6

46.6

244.5

26.6

28.4

29.5

31.8

33

35.3

38.1

41

46.7

52.3

267

32.3

34.8

36.1

38.6

41.8

44.9

51.1

57.3

63.4

273

33.0

35.6

36.9

39.5

39.5

42.7

48.9

52.3

s8.6

64.9

298.5

40.4

43.3

46.8

50.3

57.3

54.3

71.1

78.0

323.9

44

47.0

50.9

54.7

62.3

69.9

77.4

84.9

325

47.2

51.1

54.9

62.5

70.1

77.7

85.2

351

51.0

55.2

59.4

67.7

75.9

84.1

92.2

355.6

51.7

56.0

60.2

68.6

76.9

85.2

93.5

101.7

368

53.6

57.9

62.3

71.0

79.7

88.3

96.8

105.3

377

54.9

59.4

63.9

72.8

81.7

90.5

99.28

108.0

402

58.6

63.4

68.2

77.7

87.2

96.7

106.1

115.4

406.4

59.2

64.1

68.9

78.6

88.2

97.8

107.3

116.7

123.3

419

61.1

66.1

71.1

81.1

91

100.9

110.7

120.4

127.2

426

62.1

67.2

72.3

82.5

92.5

102.6

112.6

122.5

129.4

457

66.7

72.2

77.7

88.5

99.4

110.2

121.0

131.7

139.1

478

69.8

75.6

81.3

92.7

104.1

115.4

126.7

131.7

145.7

480

70.1

75.9

81.6

93.1

104.5

115.9

127.2

138.5

146.3

508

74.3

80.4

85.5

98,6

110.7

122.8

134.8

146.8

155.1

外  径

高精度D1

较高精度D2

普通精度D3

5～20

±0.10

±0.20

±0.30

21～30

±0.10

±0.25

±0.50

31～40

±0.15

±0.30

±0.50

4l～50

±0.20

±0.35

±0.50

51～323.9

±0.5%

±0.8%

±1.0%

>323.9

±0.7%

±0.8%

±1.0%

壁厚

高精度S1

较高精度S2

普通精度S3

0.06

+0.03

-0.05

±0.06

±0.10

0.60

+0.04

-0.07

±0.07

0.80

±0.08

1.0

+0.05

-0.09

±0.09

±10%

1.2

±0.11

1.4

+0.06

-0.1l

±0.12

1.5

±0.13

1.6

+0.07

-0.13

±0.14

1.8

2.0

±0.15

2.2

±0.16

2.5

+0.08

-0.16

±0.17

2.8

±0.18

3.0

3.2

+0.10

-0.20

±0.20

3.5

3.8

±0.22

4.0

4.2～5.5

±8%

>5.5

±10%

±15%

牌  号

软状态钢管R

低硬状态钢管DY

抗拉强度ób/MPa

伸长率δ5(%)

抗拉强度ób/MPa

伸长率δ5(%)

≥

08F、08、10F、l0

315

22

375

13

15F、15

355

20

400

11

20

390

19

440

9

Q195

315

22

335

14

Q1215-A、B

335

22

335

13

Q235-A、B

375

20

390

9