稱呼
Nominal
Diameter
NPS

外徑
Outside
Diameter
(mm)

公稱厚度 Nominal Wall Thickness (mm)

ASME B36.19M 

ASME B36.10M 

SCH-5S

SCH-10S

SCH-40S

SCH-80S

SCH-5

SCH-10

SCH-20

STD

XS

1/4

13.72

-

1.65

2.24

3.02

-

1.65

-

2.24

3.02

3/8

17.15

-

1.65

2.31

3.20

-

1.65

-

2.31

3.20

1/2

21.34

1.65

2.11

2.77

3.73

1.65

2.11

-

2.77

3.73

3/4

26.67

1.65

2.11

2.87

3.91

1.65

2.11

-

2.87

3.91

1

33.40

1.65

2.77

3.38

4.55

1.65

2.77

-

3.38

4.55

1 1/4 

42.16

1.65

2.77

3.56

4.85

1.65

2.77

-

3.56

4.85

1 1/2 

48.26

1.65

2.77

3.68

5.08

1.65

2.77

-

3.68

5.08

2

60.33

1.65

2.77

3.91

5.54

1.65

2.77

-

3.91

5.54

2 1/2 

73.03

2.11

3.05

5.16

7.01

2.11

3.05

-

5.16

7.01

3

88.90

2.11

3.05

5.49

7.62

2.11

3.05

-

5.49

7.62

3 1/2 

101.60

2.11

3.05

5.74

8.08

2.11

3.05

-

5.74

8.08

4

114.30

2.11

3.05

6.02

8.56

2.11

3.05

-

6.02

8.56

5

141.30

2.77

3.40

6.55

9.53

2.77

3.40

-

6.55

9.53

6

168.28

2.77

3.40

7.11

10.97

2.77

3.40

-

7.11

10.97

8

219.08

2.77

3.76

8.18

12.70

2.77

3.76

6.35

8.18

12.70

10

273.05

3.40

4.19

9.27

12.70

3.40

4.19

6.35

9.27

12.70

12

323.85

3.96

4.57

9.53

12.70

3.96

4.57

6.35

9.53

12.70

14

355.60

3.96

4.78

9.53

12.70

3.96

7.92

9.53

12.70

16

406.40

4.19

4.78

9.53

12.70

4.19

7.92

9.53

12.70

18

457.20

4.19

4.78

9.53

12.70

4.19

7.92

9.53

12.70

20

508.00

4.78

5.54

9.53

12.70

4.78

9.53

9.53

12.70

22

558.80

4.78

5.54

-

-

4.78

9.53

9.53

12.70

24

609.60

5.54

6.35

9.53

12.70

5.54

9.53

9.53

12.70

26

660.40

-

-

-

-

-

7.92

12.70

9.53

12.70

28

711.20

-

-

-

-

-

7.92

12.70

9.53

12.70

30

762.00

6.35

7.92

-

-

6.35

7.92

12.70

9.53

12.70

32
|
84 

812.80
|
2133.60 

Thickness ：6.35~30mm

Remark

(1)Marking：可生產能力 Within production capability. 
(2)其他外徑及厚度需求由買賣雙方協議。
Other nominal diameter and wall thickness subject to the approval of vendor and purchaser. 
(3)不銹鋼鋼管單位重量計算 (公斤 / 公尺)
Calculating formula for the value of mass (kg/m)：304/L[W=0.02491t(D-t)], 316/L[W=0.02507t(D-t)]