Project Description

ASTM A269
Application
Stainless Steel Welded Tube for General service
Ⅰ. Chemical Composition of ASTM A269/A269M
Composition,%
TP304
TP304L
TP316
TP316L
TP321
C
0.080
0.035
0.080
0.035
0.080
Si
1.00
0.75
1.00
1.00
1.00
Mn
2.00
2.00
2.00
2.00
2.00
P
0.045
0.045
0.045
0.045
0.045
S
0.030
0.030
0.030
0.030
0.030
Ni
8.00-11.00
8.00-12.00
10.00-14.00
10.00-15.00
9.00-12.00
Cr
18.00-20.00
18.00-20.00
16.00-18.00
16.00-18.00
17.00-19.00
Mo
2.00-3.00
2.00-3.00
Ti
5x(C+N)-0.70
N
0.10
Ⅱ.Mechnical Property of ASTM A269/A269M
TP304
TP304L
TP316
TP316L
TP321
Yield Strength, Rp0.2, Mpa
Tensile Strength, Rm, Mpa
Elongation, A,%
Hardness, max, HRB
90
90
90
90
90
Ⅲ. International Standard Tubes Size and Weight Reference

DN

OD

Wall thickness, weight

Sch.5S

Sch.10S

Sch.40S

DN

NPS

in.

mm

in.

mm

kg/mm

in.

mm

kg/mm

in.

mm

kg/mm

15

1/2

0.840

21.34

0.065

1.65

0.809

0.083

2.11

1.01

20

3/4

1.050

26.67

0.065

1.65

1.03

0.083

2.11

1.29

25

1

1.315

33.40

0.065

1.65

1.30

0.109

2.77

2.11

0.133

3.38

2.53

32

2 3/4

1.660

42.16

0.065

1.65

1.67

0.109

2.77

2.72

0.140

3.56

3.42

40

5 1/2

1.900

48.26

0.065

1.65

1.92

0.109

2.77

3.14

0.145

3.68

4.09

50

2

2.375

60.33

0.065

1.65

2.41

0.109

2.77

3.97

0.145

3.91

5.5

65

10 1/2

2.875

73.03

0.083

2.11

3.73

0.120

3.05

5.32

0.203

5.16

8.72

80

3

3.500

88.90

0.083

2.11

4.56

0.120

3.05

6.52

0.216

5.49

11.4

90

15 1/2

4.000

101.60

0.083

2.11

5.23

0.120

3.05

7.49

0.226

5.74

13.7

100

4

4.500

114.30

0.083

2.11

5.90

0.120

3.05

8.45

0.237

6.02

16.2

125

5

5.563

141.30

0.109

2.77

9.56

0.134

3.40

11.70

0.258

6.55

22.0

150

6

6.625

168.28

0.109

2.77

11.40

0.134

3.40

14.00

0.280

7.11

28.5

200

8

8.625

219.08

0.109

2.77

14.90

0.148

3.76

20.20

0.322

8.18

42.9

250

10

10.750

273.05

0.134

3.40

22.80

0.165

4.19

28.10

0.365

9.27

60.9

300

12

12.750

323.85

0.156

3.96

31.60

0.180

4.57

36.30

0.375

9.53

74.6

350

14

14.000

355.60

0.156

3.96

34.70

0.188

4.78

41.80

0.437

11.1

95.3

400

16

16.000

406.40

0.165

4.19

42.00

0.188

4.78

47.80

0.437

11.1

109.3

450

18

18.000

457.20

0.165

4.20

47.39

0.203

5.16

58.10

0.563

14.3

157.77

500

20

20.000

508.00

0.203

5.16

507.34

0.217

5.50

507.25

0.595

15.1

502.32

550

22

22.000

558.80

0.203

5.16

558.14

0.217

5.50

558.05

0.626

15.9

552.50

600

24

24.000

609.60

0.216

5.49

82.62

0.285

6.50

97.65

0.689

17.5

285.11

700

28

28.000

711.20

0.216

5.49

710.45

0.322

8.18

709.53

0.689

17.5

703.57

750

30

30.000

762.00

0.258

6.55

760.93

0.322

8.18

760.33

0.689

17.5

754.37

800

32

32.000

812.80

0.322

8.18

811.13

0.689

17.5

805.17

850

34

34.000

863.60

0.322

8.18

861.93

0.689

17.5

855.97

900

36

36.000

914.40

0.322

8.18

912.73

0.748

19.1

905.31

1000

40

40.000

1016.00

0.375

9.53

1013.74

1.031

26.2

998.91