नाममात्र
पाइप का आकार

बाहर
डीआइए.

मोटाई

डीआइए.का
उत्थित आकृति

की संख्या
छेद

डीआइए.का
बोल्ट +

डीआइए.का
ठीक वृत्त

O

क्यू**

R

1/2

3-1/2

7/16

1-3/8

4

1/2

2-3/8

3/4

3-7/8

1/2

1-11/16

4

1/2

2-3/4

1

4-1/4

9/16

2

4

1/2

3-1/8

1-1/4

4-5/8

5/8

2-1/2

4

1/2

3-1/2

1-1/2

5

11/16

2-7/8

4

1/2

3-7/8

2

6

3/4

3-5/8

4

5/8

4-3/4

2-1/2

7

7/8

4-1/8

4

5/8

5-1/2

3

7-1/2

15/16

5

4

5/8

6

3-1/2

8-1/2

15/16

5-1/2

8

5/8

7

4

9

15/16

6-3/16

8

5/8

7-1/2

5

10

15/16

7-5/16

8

3/4

8-1/2

6

11

1

8-1/2

8

3/4

9-1/2

8

13-1/2

1-1/8

10-5/8

8

3/4

11-3/4

10

16

1-3/16

12-3/4

12

7/8

14-1/4

12

19

1-1/4

15

12

7/8

17

14

21

1-3/8

16-1/4

12

1

18-3/4

16

23-1/2

1-7/16

18-1/2

16

1

21-1/4

18

25

1-9/16

21

16

1-1/8

22-3/4

20

27-1/2

1-11/16

23

20

1-1/8

25

24

32

1-7/8

27-1/4

20

1-1/4

29-1/2

नाममात्र
पाइप का आकार

बाहर
डीआइए.

मोटाई

डीआइए.का
उत्थित आकृति

डीआइए.हब का
आधार पर

लंबाई
हब का

डीआइए.बोर का

की संख्या
छेद

डीआइए.का
बोल्ट+

डीआइए.का
ठीक वृत्त

O

क्यू**

R

X

वाई**

W

1/2

3-1/2

7/16

1-3/8

1-3/16

5/8

.88

4

1/2

2-3/8

3/4

3-7/8

1/2

1-11/16

1-1/2

5/8

1.09

4

1/2

2-3/4

1

4-1/4

9/16

2

1-15/16

11/16

1.36

4

1/2

3-1/8

1-1/4

4-5/8

5/8

2-1/2

2-5/16

13/16

1.70

4

1/2

3-1/2

1-1/2

5

11/16

2-7/8

2-9/16

7/8

1.95

4

1/2

3-7/8

2

6

3/4

3-5/8

3-1/16

1

2.44

4

5/8

4-3/4

2-1/2

7

7/8

4-1/8

3-9/16

1-1/8

2.94

4

5/8

5-1/2

3

7-1/2

15/16

5

4-1/4

1-3/16

3.57

4

5/8

6

3-1/2

8-1/2

15/16

5-1/2

4-13/16

1-1/4

4.07

8

5/8

7

4

9

15/16

6-3/16

5-5/16

1-5/16

4.57

8

5/8

7-1/2

5

10

15/16

7-5/16

6-7/16

1-7/16

5.66

8

3/4

8-1/2

6

11

1

8-1/2

7-9/16

1-9/16

6.72

8

3/4

9-1/2

8

13-1/2

1-1/8

10-5/8

9-11/16

1-3/4

8.72

8

3/4

11-3/4

10

16

1-3/16

12-3/4

12

1-15/16

10.88

12

7/8

14-1/4

12

19

1-1/4

15

14-3/8

2-3/16

12.88

12

7/8

17

14

21

1-3/8

16-1/4

15-3/4

2-1/4

14.14

12

1

18-3/4

16

23-1/2

1-7/16

18-1/2

18

2-1/2

16.16

16

1

21-1/4

18

25

1-9/16

21

19-7/8

2-11/16

18.18

16

1-1/8

22-3/4

20

27-1/2

1-11/16

23

22

2-7/8

20.20

20

1-1/8

25

24

32

1-7/8

27-1/4

26-1/8

3-1/4

24.25

20

1-1/4

29-1/2

नाममात्र
पाइप का आकार

बाहर
डीआइए.

मोटाई

डीआइए.का
उत्थित आकृति

डीआइए.का
हब एटी
आधार

न्यूनतम.डीआइए.वेल्डिंग के बिंदु पर हब का

हब के माध्यम से लंबाई

डीआइए.बोर का

की संख्या
छेद

डीआइए.का
बोल्ट+

डीआइए.का
ठीक वृत्त

हे

क्यू**

आर

X

H

वाई**

जे ♢

1/2

3-1/2

7/16

1-3/8

1-3/16

0.84

1-7/8

0.62

4

1/2

2-3/8

3/4

3-7/8

1/2

1-11/16

1-1/2

1.05

2-1/16

0.82

4

1/2

2-3/4

1

4-1/4

9/16

2

1-15/16

1.32

2-3/16

1.05

4

1/2

3-1/8

1-1/4

4-5/8

5/8

2-1/2

2-5/16

1.66

2-1/4

1.38

4

1/2

3-1/2

1-1/2

5

11/16

2-7/8

2-9/16

1.90

2-7/16

1.61

4

1/2

3-7/8

2

6

3/4

3-5/8

3-1/16

2.38

2-1/2

2.07

4

5/8

4-3/4

2-1/2

7

7/8

4-1/8

3-9/16

2.88

2-3/4

2.47

4

5/8

5-1/2

3

7-1/2

15/16

5

4-1/4

3.50

2-3/4

3.07

4

5/8

6

3-1/2

8-1/2

15/16

5-1/2

4-13/16

4.00

2-13/16

3.55

8

5/8

7

4

9

15/16

6-3/16

5-5/16

4.50

3

4.03

8

5/8

7-1/2

5

10

15/16

7-5/16

6-7/16

5.56

3-1/2

5.05

8

3/4

8-1/2

6

11

1

8-1/2

7-9/16

6.63

3-1/2

6.07

8

3/4

9-1/2

8

13-1/2

1-1/8

10-5/8

9-11/16

8.63

4

7.98

8

3/4

11-3/4

10

16

1-3/16

12-3/4

12

10.75

4

10.02

12

7/8

14-1/4

12

19

1-1/4

15

14-3/8

12.75

4-1/2

12.00

12

7/8

17

14

21

1-3/8

16-1/4

15-3/4

14.00

5

13.25

12

1

18-3/4

16

23-1/2

1-7/16

18-1/2

18

16.00

5

15.25

16

1

21-1/4

18

25

1-9/16

21

19-7/8

18.00

5-1/2

17.25

16

1-1/8

22-3/4

20

27-1/2

1-11/16

23

22

20.00

5-11/16

19.25

20

1-1/8

25

24

32

1-7/8

27-1/4

26-1/8

24.00

6

23.25

20

1-1/4

29-1/2

नाममात्र
पाइप का आकार

बाहर
डीआइए.

मोटाई
न्यूनतम.

डीआइए.का
उत्थित आकृति

डीआइए.हब का
आधार पर

लंबाई
के माध्यम से
केंद्र

डीआइए.का
ऊब पैदा करना

डीआइए.का
सॉकेट

की गहराई
सॉकेट

O

क्यू**

R

X

वाई**

B

A

Z

1/4

3-1/2

7/16

1-3/8

1-3/16

5/8

0.364

0.580

3/8

3/8

3-1/2

7/16

1-3/8

1-3/16

5/8

0.493

0.715

3/8

1/2

3-1/2

7/16

1-3/8

1-3/16

5/8

0.622

0.88

3/8

3/4

3-7/8

1/2

1-11/16

1-1/2

5/8

0.824

1.09

7/16

1

4-1/4

9/16

2

1-15/16

1-1/16

1.049

1.36

1/2

1-1/4

4-5/8

5/8

2-1/2

2-5/16

1-3/16

1.380

1.70

9/16

1-1/2

5

11/16

2-7/8

2-9/16

7/8

1.610

1.95

5/8

2

6

3/4

3-5/8

3-1/16

1

2.067

2.44

11/16

2-1/2

7

7/8

4-1/8

3-9/16

1-1/8

2.469

2.94

3/4

3

7-1/2

15/16

5

4-1/4

1-3/16

3.068

3.57

13/16

3-1/2

8-1/2

15/16

5-1/2

4-13/16

1-1/4

3.548

4.07

7/8

4

9

15/16

6-3/16

5-5/16

1-5/16

4.026

4.56

15/16

5

10

15/16

7-5/16

6-7/16

1-7/16

5.047

5.66

15/16

6

11

1

8-1/2

7-9/16

1-9/16

6.065

6.72

1-1/16

8

13-1/2

1-1/8

10-5/8

9-11/16

1-3/4

7.981

8.72

1-1/4

10

16

1-3/16

12-3/4

12

1-15/16

10.020

10.88

1-5/16

12

19

1-1/4

15

14-3/8

2-3/16

12.000

12.88

1-9/16

14

21

1-3/8

16-1/4

15-3/4

2-1/4

13.250

14.19

1-5/8

16

23-1/2

1-7/16

18-1/2

18

2-1/2

15.250

16.19

1-3/4

18

25

1-9/16

21

19-7/8

2-11/16

17.250

18.19

1-15/16

20

27-1/2

1-11/16

23

22

2-7/8

19.250

20.19

2-1/8

24

32

1-7/8

27-1/4

26-1/8

3-1/4

23.250

24.19

2-1/2

श्रेणी

रासायनिक संरचना, वजन प्रतिशत (%)

C

(≤)

O

(≤)

N

(≤)

H

(≤)

Fe

(≤)

Al

V

Pd

Ru

Ni

Mo

अन्य तत्व

अधिकतम.प्रत्येक

अन्य तत्व

अधिकतम.कुल

ग्रेड1

0.08

0.18

0.03

0.015

0.20

—

—

—

—

—

—

0.1

0.4

Gr2

0.08

0.25

0.03

0.015

0.30

—

—

—

—

—

—

0.1

0.4

ग्र4

0.08

0.25

0.03

0.015

0.30

—

—

—

—

—

—

0.1

0.4

Gr5

0.08

0.20

0.05

0.015

0.40

5.5～6.75

3.5～4.5

—

—

—

—

0.1

0.4

Gr7

0.08

0.25

0.03

0.015

0.30

—

—

0.12～0.25

—

0.12～0.25

—

0.1

0.4

Gr9

0.08

0.15

0.03

0.015

0.25

2.5～3.5

2.0～3.0

—

—

—

—

0.1

0.4

ग्रेड11

0.08

0.18

0.03

0.15

0.2

—

—

0.12～0.25

—

—

—

0.1

0.4

ग्रेड12

0.08

0.25

0.03

0.15

0.3

—

—

—

—

0.6～0.9

0.2～0.4

0.1

0.4

ग्रेड16

0.08

0.25

0.03

0.15

0.3

—

—

0.04～0.08

—

—

—

0.1

0.4

Gr23

0.08

0.13

0.03

0.125

0.25

5.5~6.5

3.5～4.5

—

—

—

—

0.1

0.1