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英国标准钢管

British Standard Welded Steel Pipes ( ERW ) BS1387 : 1996 (Light, Medium, Heavy)

黑钢管

Black Pipe without zinc coating
Galvanized Pipe with zinc coating

镀锌钢管

Light Class "A"

Nominal Size 型号	Outside Diameter 外径				Wall Thickness 壁厚
Nominal Size 型号	max 最大		min 最小		Wall Thickness 壁厚
in (mm)	in	mm	in	mm	in	mm
l¹/₈" (6mm)	0.398	10.1	0.382	9.7	0.072	1.83
l¹/₄" (8mm)	0.535	13.6	0.520	13.2	0.072	1.83
l³/₈" (10mm)	0.673	17.1	0.657	16.7	0.072	1.83
¹/₂" (15mm)	0.841	21.4	0.825	21.0	0.079	2.0
³/₄" (20mm)	1.059	26.9	1.041	26.4	0.091	2.3
1" (25mm)	1.328	33.8	1.309	33.2	0.102	2.6
1 ¹/₄" (32mm)	1.670	42.5	1.650	41.9	0.102	2.6
1 ¹/₂" (40mm)	1.903	48.4	1.882	47.8	0.114	2.9
2" (50mm)	2.370	60.2	2.347	59.6	0.114	2.9
2 ¹/₂" (65mm)	2.991	76.0	2.960	75.2	0.126	3.2
3" (80mm)	3.491	88.7	3.460	87.9	0.126	3.2
4" (100mm)	4.481	113.9	4.450	113.0	0.142	3.6

Medium Class "B"

Nominal Size 型号	Outside Diameter 外径				Wall Thickness 壁厚
Nominal Size 型号	max 最大		min 最小		Wall Thickness 壁厚
in (mm)	in	mm	in	mm	in	mm
l¹/₈" (6mm)	0.409	10.4	0.386	9.8	0.080	2.03
l¹/₄" (8mm)	0.547	13.9	0.524	13.3	0.093	2.35
l³/₈" (10mm)	0.685	17.4	0.661	16.8	0.093	2.35
¹/₂" (15mm)	0.856	21.7	0.831	21.1	0.102	2.6
³/₄" (20mm)	1.072	27.2	1.047	26.6	0.102	2.6
1" (25mm)	1.346	34.2	1.316	33.4	0.126	3.2
1 ¹/₄" (32mm)	1.687	42.9	1.657	42.1	0.126	3.2
1 ¹/₂" (40mm)	1.919	48.8	1.889	48.0	0.126	3.2
2" (50mm)	2.394	60.8	2.354	59.8	0.142	3.6
2 ¹/₂" (65mm)	3.014	76.6	2.969	75.4	0.142	3.6
3" (80mm)	3.524	89.5	3.469	88.1	0.157	4.0
4" (100mm)	4.524	114.9	4.459	113.3	0.177	4.5
5" (125mm)	5.334	140.6	5.459	138.7	0.197	5.0
6" (150mm)	6.539	166.1	6.459	164.1	0.197	5.0

Heavy Class "C"

Nominal Size 型号	Outside Diameter 外径				Wall Thickness 壁厚
Nominal Size 型号	max 最大		min 最小		Wall Thickness 壁厚
in (mm)	in	mm	in	mm	in	mm
l¹/₈" (6mm)	0.409	10.4	0.386	9.8	0.104	2.65
l¹/₄" (8mm)	0.547	13.9	0.524	13.3	0.116	2.94
l³/₈" (10mm)	0.685	17.4	0.661	16.8	0.116	2.94
¹/₂" (15mm)	0.856	21.7	0.831	21.1	0.126	3.2
³/₄" (20mm)	1.072	27.2	1.047	26.6	0.126	3.2
1" (25mm)	1.346	34.2	1.316	33.4	0.157	4.0
1¹/₄" (32mm)	1.687	42.9	1.657	42.1	0.157	4.0
1¹/₂" (40mm)	1.919	48.8	1.889	48.0	0.157	4.0
2" (50mm)	2.394	60.8	2.354	59.8	0.177	4.5
2 ¹/₂" (65mm)	3.014	76.6	2.969	75.4	0.177	4.5
3" (80mm)	3.524	89.5	3.469	88.1	0.197	5.0
4" (100mm)	4.524	114.9	4.459	113.3	0.213	5.4
5" (125mm)	5.534	140.6	5.459	138.7	0.213	5.4
6" (150mm)	6.539	166.1	6.459	164.1	0.213	5.4

日本标准不锈钢管

Dimensions and weight of stainless Steel Pipes (seamless or welded) for piping to JIS G3459 : 1997

Schedule 5S

Nominal Diameter 公称口径		Outside Diameter 外径	Nominal Wall Thickness 公称壁厚
Nominal Diameter 公称口径			Wall Thickness 壁厚	Weight (kg/m) 重量
A	B			Grade 钢号
A	B			304 304H 304L 321 321H	309 309S 310 310S 316 316H 316L 316Ti 317 317L 347 347H
mm	in	mm	mm	304 304H 304L 321 321H
6	1/8	10.5	1.0	0.237	0.238
8	1/4	13.8	1.2	0.377	0.379
10	3/8	17.3	1.2	0.481	0.484
15	1/2	21.7	1.65	0.824	0.829
20	3/4	27.2	1.65	1.05	1.06
25	1	34.0	1.65	1.33	1.34
32	1 1/4	42.7	1.65	1.69	1.70
40	1 1/2	48.6	1.65	1.93	1.94
50	2	60.5	1.65	2.42	2.43
65	2 1/2	76.3	2.1	3.88	3.91
80	3	89.1	2.1	4.55	4.58
90	3 1/2	101.6	2.1	5.20	5.24
100	4	114.3	2.1	5.87	5.91
125	5	139.8	2.8	9.56	9.62
150	6	165.2	2.8	11.3	11.4
200	8	216.3	2.8	14.9	15.0
250	10	267.4	3.4	22.4	22.5
300	12	318.5	4.0	31.3	31.5

Schedule 10S

Nominal Diameter 公称口径		Outside Diameter 外径	Nominal Wall Thickness 公称壁厚
Nominal Diameter 公称口径			Wall Thickness 壁厚	Weight (kg/m) 重量
A	B			Grade 钢号
A	B			304 304H 304L 321 321H	309 309S 310 310S 316 316H 316L 316Ti 317 317L 347 347H
mm	in	mm	mm	304 304H 304L 321 321H
6	1/8	10.5	1.2	0.278	0.280
8	1/4	13.8	1.65	0.499	0.503
10	3/8	17.3	1.65	0.643	0.647
15	1/2	21.7	2.1	1.03	1.03
20	3/4	27.2	2.1	1.31	1.32
25	1	34.0	2.8	2.18	2.19
32	1 1/4	42.7	2.8	2.78	2.80
40	1 1/2	48.6	2.8	3.19	3.21
50	2	60.5	2.8	4.02	4.05
65	2 1/2	76.3	3.0	5.48	5.51
80	3	89.1	3.0	6.43	6.48
90	3 1/2	101.6	3.0	7.37	7.42
100	4	114.3	3.0	8.32	8.37
125	5	139.8	3.4	11.6	11.6
150	6	165.2	3.4	13.7	13.8
200	8	216.3	4.0	21.2	21.3
250	10	267.4	4.0	26.2	26.4
300	12	318.5	4.5	35.2	35.4

Schedule 20S

Nominal Diameter 公称口径		Outside Diameter 外径	Nominal Wall Thickness 公称壁厚
Nominal Diameter 公称口径			Wall Thickness 壁厚	Weight (kg/m) 重量
A	B			Grade 钢号
A	B			304 304H 304L 321 321H	309 309S 310 310S 316 316H 316L 316Ti 317 317L 347 347H
mm	in	mm	mm	304 304H 304L 321 321H
6	1/8	10.5	1.5	0.336	0.338
8	1/4	13.8	2.0	0.588	0.592
10	3/8	17.3	2.0	0.762	0.767
15	1/2	21.7	2.5	1.20	1.20
20	3/4	27.2	2.5	1.54	1.55
25	1	34.0	3.0	2.32	2.33
32	1 1/4	42.7	3.0	2.97	2.99
40	1 1/2	48.6	3.0	3.41	3.43
50	2	60.5	3.5	4.97	5.00
65	2 1/2	76.3	3.5	6.35	6.39
80	3	89.1	4.0	8.48	8.53
90	3 1/2	101.6	4.0	9.72	9.79
100	4	114.3	4.0	11.0	11.1
125	5	139.8	5.0	16.8	16.9
150	6	165.2	5.0	20.0	20.1
200	8	216.3	6.5	34.0	34.2
250	10	267.4	6.5	42.2	42.5
300	12	318.5	6.5	50.5	50.8

Carbon Steel SCH 10

Nominal Size 型号		Outer Diameter 外径 O.D		Thickness 厚度		Unit Weight 单位重量
in	mm	in	mm	in	mm	Ib/ft	kg/m
14	350	14	355.6	0.250	6.35	36.71	54.68
16	400	16	406.4	0.250	6.35	42.05	62.63
18	450	18	457.2	0.250	6.35	47.39	70.59
20	500	20	508.0	0.250	6.35	52.73	78.54
22	550	22	558.8	0.250	6.35	58.07	86.50
24	600	24	609.6	0.250	6.35	63.41	94.45
26	650	26	660.4	0.312	7.92	85.60	127.50
28	700	28	711.2	0.312	7.92	92.26	137.42
30	750	30	762.0	0.312	7.92	98.93	147.36
32	800	32	812.8	0.312	7.92	105.59	157.28
34	850	34	863.6	0.312	7.92	112.25	167.20
36	900	36	914.4	0.312	7.92	118.92	177.13

Stainless Steel SCH 10S - ASTM A312 (ANSI B36.19)

Nominal Size 型号		Outer Diameter 外径 O.D		Thickness 厚度		Unit Weight 单位重量
in	mm	in	mm	in	mm	Ib/ft	kg/m
1/8	6	0.405	10.3	0.049	1.24	0.19	0.28
1/4	8	0.540	13.7	0.065	1.65	0.34	0.51
3/8	10	0.675	17.1	0.065	1.65	0.43	0.64
1/2	15	0.840	21.3	0.083	2.11	0.68	1.01
3/4	20	1.050	26.7	0.083	2.11	0.88	1.31
1	25	1.315	33.4	0.109	2.77	1.43	2.13
1 ¹/₄	32	1.660	42.2	0.109	2.77	1.85	2.76
1 ¹/₂	40	1.900	48.3	0.109	2.77	2.13	3.17
2	50	2.375	60.3	0.109	2.77	2.69	4.01
2 ¹/₂	65	2.875	73.0	0.120	3.05	3.60	5.36
3	80	3.500	88.9	0.120	3.05	4.42	6.59
3 ¹/₂	90	4.000	101.6	0.120	3.05	5.07	7.55
4	100	4.500	114.3	0.120	3.05	5.72	8.52
5	125	5.563	141.3	0.134	3.40	7.93	11.82
6	150	6.625	168.3	0.134	3.40	9.48	14.13
8	200	8.625	219.1	0.148	3.76	13.67	20.37
10	250	10.75	273.0	0.165	4.19	19.02	28.34
12	300	12.75	323.8	0.180	4.57	24.65	36.73
14	350	14	355.6	0.188	4.78	28.28	42.14
16	400	16	406.4	0.188	4.78	32.39	48.26
18	450	18	457.2	0.188	4.78	36.48	54.36
20	500	20	508.0	0.218	5.54	46.98	70.00
22	550	22	558.8	0.218	5.54	51.72	77.06
24	600	24	609.6	0.250	6.35	64.68	96.37
30	750	30	762.0	0.312	7.92	100.91	150.36

Carbon Steel SCH 20

Nominal Size 型号		Outer Diameter 外径 O.D		Thickness 厚度		Unit Weight 单位重量
in	mm	in	mm	in	mm	Ib/ft	kg/m
8	200	8.625	219.1	0.250	6.35	22.36	33.31
10	250	10.75	273.0	0.250	6.35	28.04	41.77
12	300	12.75	323.8	0.250	6.35	33.38	49.72
14	350	14	355.6	0.312	7.92	45.61	67.94
16	400	16	406.4	0.312	7.92	52.27	77.86
18	450	18	457.2	0.312	7.92	58.94	87.79
20	500	20	508.0	0.375	9.53	78.60	117.07
22	550	22	558.8	0.375	9.53	86.61	129.01
24	600	24	609.6	0.375	9.53	94.62	140.94
26	650	26	660.4	0.500	12.70	136.17	202.83
28	700	28	711.2	0.500	12.70	146.85	218.73
30	750	30	762.0	0.500	12.70	157.53	234.64
32	800	32	812.8	0.500	12.70	168.21	250.55
34	850	34	863.6	0.500	12.70	178.89	266.46
36	900	36	914.4	0.500	12.70	189.57	282.36

Carbon Steel SCH 30

Nominal Size 型号		Outer Diameter 外径 O.D		Thickness 厚度		Unit Weight 单位重量
in	mm	in	mm	in	mm	Ib/ft	kg/m
8	200	8.625	219.1	0.277	7.04	24.70	36.79
10	250	10.75	273.0	0.307	7.80	34.24	51.00
12	300	12.75	323.8	0.330	8.38	43.77	65.20
14	350	14	355.6	0.375	9.53	54.57	81.28
16	400	16	406.4	0.375	9.53	62.58	93.21
18	450	18	457.2	0.438	11.13	82.15	122.36
20	500	20	508.0	0.500	12.70	104.13	155.10
22	550	22	558.8	0.500	12.70	114.81	171.01
24	600	24	609.6	0.562	14.27	140.68	209.54
28	700	28	711.2	0.625	15.88	182.73	272.18
30	750	30	762.0	0.625	15.88	196.08	292.06
32	800	32	812.8	0.625	15.88	209.43	311.95
34	850	34	863.6	0.625	15.88	222.78	331.83
36	900	36	914.4	0.625	15.88	236.13	351.72

日本标准钢管
Carbon Steel Pipes for Ordinary Piping JIS G3452 : 1997 (sym. SGP)
黑钢管	Black Pipe without zinc coating Galvanized Pipe with zinc coating
镀锌钢管

Nominal Bore * 公称口径		Outside Diameter 外径 D		Wall Thickness ** 壁厚 t
A	B	Outside Diameter 外径 D		Wall Thickness ** 壁厚 t
mm	in	mm	in	mm	in
6	¹/₈	10.5	0.413	2.0	0.079
8	¹/₄	13.8	0.543	2.3	0.091
10	³/₈	17.3	0.681	2.3	0.091
15	¹/₂	21.7	0.854	2.8	0.110
20	³/₄	27.2	1.071	2.8	0.110
25	1	34.0	1.339	3.2	0.126
32	1 ¹/₄	42.7	1.681	3.5	0.138
40	1 ¹/₂	48.6	1.913	3.5	0.138
50	2	60.5	2.382	3.8	0.150
65	2 ¹/₂	76.3	3.004	4.2	0.165
80	3	89.1	3.508	4.2	0.165
90	3 ¹/₂	101.6	4.000	4.2	0.165
100	4	114.3	4.500	4.5	0.177
125	5	139.8	5.504	4.5	0.177
150	6	165.2	6.504	5.0	0.197
175	7	190.7	7.508	5.3	0.209
200	8	216.3	8.516	5.8	0.228
225	9	241.8	9.520	6.2	0.244
250	10	267.4	10.528	6.6	0.260
300	12	318.5	12.539	6.9	0.272
350	14	355.6	14.000	7.9	0.311
400	16	406.4	16.000	7.9	0.311
450	18	457.2	18.000	7.9	0.311
500	20	508.0	20.000	7.9	0.311

Notes :

1 * For the nominal size, either A or B shall be used and letter symbol

A or B shall be suffixed to the figures of nominal size to identify A

or B series, respectively.

2** Wall thickness t tolerances plus (+) not specified and minus (-) 12.5%max.

3. The value for weight shall be calculated from the following formula assuming 7.85 g/cm³ and rounded off to 3 significant figures in accordance with JIS Z 8401 :

W = 0.02466 x t x (D - t )

where W : unit mass of pipe (kg/m)

t : wall thickness of pipe (mm)

D : outside diameter of pipe (mm)

无缝锅炉钢管

Hot Finished Seamless Boiler Tubes & Pipes (OD 5" & above) with average wall thickness to DIN 17175

Thickness

厚度

Outer Diameter

外径

Unit Weight

单位重量

in (mm)

kg/m

0.079 (2.0)

0.840

0.985

1.000

1.060

21.3

25.0

25.4

26.9

0.952

1.13

1.15

1.23

0.091 (2.3)

0.840

0.985

1.000

1.060

1.185

1.250

1.330

21.3

25.0

25.4

26.9

30.0

31.8

33.7

1.08

1.29

1.31

1.40

1.57

1.67

1.78

0.102 (2.6)

0.840

0.985

1.000

1.060

1.185

1.250

1.330

1.500

1.670

1.750

1.900

2.010

2.125

21.3

25.0

25.4

26.9

30.0

31.8

33.7

38.0

42.4

44.5

48.3

51.0

54.0

1.20

1.44

1.46

1.56

1.76

1.87

1.99

2.27

2.55

2.69

2.93

3.10

3.30

0.114 (2.9)

0.840

0.985

1.000

1.060

1.185

1.250

1.330

1.500

1.670

1.750

1.900

2.010

2.125

2.245

2.375

2.500

2.760

2.875

3.000

21.3

25.0

25.4

26.9

30.0

31.8

33.7

38.0

42.4

44.5

48.3

51.0

54.0

57.0

60.3

63.5

70.0

73.0

76.1

1.32

1.58

1.61

1.72

1.94

2.07

2.20

2.51

2.82

2.98

3.25

3.44

3.65

3.87

4.11

4.33

4.80

5.01

5.24

0.126 (3.2)

0.840

0.985

1.000

1.060

1.185

1.250

1.330

1.500

1.670

1.750

1.900

2.010

2.125

2.245

2.375

2.500

2.760

2.875

3.000

3.250

3.500

21.3

25.0

25.4

26.9

30.0

31.8

33.7

38.0

42.4

44.5

48.3

51.0

54.0

57.0

60.3

63.5

70.0

73.0

76.1

82.5

88.9

1.43

1.72

1.75

1.87

2.11

2.26

2.41

2.75

3.09

3.26

3.56

3.77

4.01

4.25

4.51

4.76

5.27

5.51

5.75

6.26

6.76

0.142 (3.6)

0.840

0.985

1.000

1.060

1.185

1.250

1.330

1.500

1.670

1.750

1.900

2.010

2.125

2.245

2.375

2.500

2.760

2.875

3.000

3.250

3.500

4.000

4.250

4.500

21.3

25.0

25.4

26.9

30.0

31.8

33.7

38.0

42.4

44.5

48.3

51.0

54.0

57.0

60.3

63.5

70.0

73.0

76.1

82.5

88.9

101.6

108.0

114.3

1.57

1.90

1.94

2.07

2.34

2.50

2.67

3.05

3.44

3.63

3.97

4.21

4.47

4.74

5.03

5.32

5.90

6.16

6.44

7.00

7.57

8.70

9.27

9.83

0.157 (4.0)

0.840

0.985

1.000

1.060

1.185

1.250

1.330

1.500

1.670

1.750

1.900

2.010

2.125

2.245

2.375

2.500

2.760

2.875

3.000

3.250

3.500

4.000

4.250

4.500

5.000

5.240

5.500

21.3

25.0

25.4

26.9

30.0

31.8

33.7

38.0

42.4

44.5

48.3

51.0

54.0

57.0

60.3

63.5

70.0

73.0

76.1

82.5

88.9

101.6

108.0

114.3

127.0

133.0

139.7

1.71

2.07

2.11

2.26

2.56

2.74

2.93

3.35

3.79

4.00

4.37

4.64

4.93

5.23

5.55

5.87

6.51

6.81

7.11

7.74

8.38

9.63

10.3

10.9

12.1

12.7

13.4

Line Pipes

美国油钢管（无缝或焊缝管）

Carbon Steel API 5L (seamless or welded). ASTM 106 (seamless, ASTM A53 (seamless or welded)

美国不锈钢管
Stainless Steel ASTM A312 (ANSI B36.19) (Schedule 5S, 10S, 80S, (Grade: TP304, TP304H, TP304L, TP321,TP321H, TP321L, TP317, TP317L, TP247, TP309, TP310)

油钢管 Carbon Steel Pipe:10 20 30 40 60 80 100 120 140 160 STD XS XXS

不锈钢管Stainless Steel ASTM A312 (ANSI B36.19) 5S 10S 40S 80S

Stainless Steel SCH 5S ASTM A312 (ANSI B36.19)

Nominal Size 型号		Outer Diameter 外径 O.D		Thickness 厚度		Unit Weight 单位重量
in	mm	in	mm	in	mm	Ib/ft	kg/m
1/2	15	0.840	21.3	0.065	1.65	0.55	0.82
3/4	20	1.050	26.7	0.065	1.65	0.70	1.04
1	25	1.315	33.4	0.065	1.65	0.89	1.33
1 ¹/₄	32	1.660	42.2	0.065	1.65	1.13	1.68
1 ¹/₂	40	1.900	48.3	0.065	1.65	1.31	1.95
2	50	2.375	60.3	0.065	1.65	1.64	2.44
2 ¹/₂	65	2.875	73.0	0.083	2.11	2.53	3.77
3	80	3.500	88.9	0.083	2.11	3.09	4.60
3 ¹/₂	90	4.000	101.6	0.083	2.11	3.55	5.29
4	100	4.500	114.3	0.083	2.11	4.00	5.96
5	125	5.563	141.3	0.109	2.77	6.49	9.67
6	150	6.625	168.3	0.109	2.77	7.75	11.55
8	200	8.625	219.1	0.109	2.77	10.13	15.09
10	250	10.75	273.0	0.134	3.40	15.49	23.08
12	300	12.75	323.8	0.156	3.96	21.40	31.89
14	350	14	355.6	0.156	3.96	23.53	35.06
16	400	16	406.4	0.165	4.19	28.46	42.41
18	450	18	457.2	0.165	4.19	32.06	47.77
20	500	20	508.0	0.188	4.78	40.58	60.46
22	550	22	558.8	0.188	4.78	44.68	66.57
24	600	24	609.6	0.218	5.54	56.48	84.16
30	750	30	762.0	0.250	6.35	81.02	120.72

Stainless Steel SCH 40S - ASTM A312 (ANSI B36.19)

Nominal Size 型号		Outer Diameter 外径 O.D		Thickness 厚度		Unit Weight 单位重量
in	mm	in	mm	in	mm	Ib/ft	kg/m
1/8	6	0.405	10.3	0.068	1.73	0.24	0.36
1/4	8	0.540	13.7	0.088	2.24	0.43	0.64
3/8	10	0.675	17.1	0.091	2.31	0.58	0.86
1/2	15	0.840	21.3	0.109	2.77	0.87	1.30
3/4	20	1.050	26.7	0.113	2.87	1.15	1.71
1	25	1.315	33.4	0.133	3.38	1.71	2.55
1 ¹/₄	32	1.660	42.2	0.140	3.56	2.32	3.46
1 ¹/₂	40	1.900	48.3	0.145	3.68	2.77	4.13
2	50	2.375	60.3	0.154	3.91	3.72	5.54
2 ¹/₂	65	2.875	73.0	0.203	5.16	5.91	8.81
3	80	3.500	88.9	0.216	5.49	7.73	11.52
3 ¹/₂	90	4.000	101.6	0.226	5.74	9.29	13.84
4	100	4.500	114.3	0.237	6.02	11.01	16.40
5	125	5.563	141.3	0.258	6.55	14.91	22.20
6	150	6.625	168.3	0.278	7.06	19.35	28.83
8	200	8.625	219.1	0.322	8.18	29.12	43.39
10	250	10.75	273.0	0.365	9.27	41.29	61.52
12	300	12.75	323.8	0.375	9.53	50.55	75.32

Carbon Steel SCH 40

Nominal Size 型号		Outer Diameter 外径 O.D		Thickness 厚度		Unit Weight 单位重量
in	mm	in	mm	in	mm	Ib/ft	kg/m
1/8	6	0.405	10.3	0.068	1.73	0.24	0.37
1/4	8	0.540	13.7	0.088	2.24	0.42	0.63
3/8	10	0.675	17.1	0.091	2.31	0.57	0.84
1/2	15	0.840	21.3	0.109	2.77	0.85	1.27
3/4	20	1.050	26.7	0.113	2.87	1.13	1.69
1	25	1.315	33.4	0.133	3.38	1.68	2.50
1 ¹/₄	32	1.660	42.2	0.140	3.56	2.27	3.39
1 ¹/₂	40	1.900	48.3	0.145	3.68	2.72	4.05
2	50	2.375	60.3	0.154	3.91	3.65	5.44
2 ¹/₂	65	2.875	73.0	0.203	5.16	5.79	8.63
3	80	3.500	88.9	0.216	5.49	7.58	11.29
3 ¹/₂	90	4.000	101.6	0.226	5.74	9.11	13.57
4	100	4.500	114.3	0.237	6.02	10.79	16.07
5	125	5.563	141.3	0.258	6.55	14.62	21.77
6	150	6.625	168.3	0.280	7.11	18.97	28.26
8	200	8.625	219.1	0.322	8.18	28.55	42.55
10	250	10.75	273.0	0.365	9.27	40.48	60.29
12	300	12.75	323.8	0.406	10.31	53.52	79.72
14	350	14	355.6	0.438	11.13	63.44	94.49
16	400	16	406.4	0.500	12.70	82.77	123.29
18	450	18	457.2	0.562	14.27	104.67	155.91
20	500	20	508.0	0.594	15.09	123.11	183.42
24	600	24	609.6	0.688	17.48	171.29	255.14
32	800	32	812.8	0.688	17.48	230.08	342.70
34	850	34	863.6	0.688	17.48	244.77	364.58
36	900	36	914.4	0.750	19.05	282.35	420.56

Carbon Steel SCH STD 40

Nominal Size 型号		Outer Diameter 外径 O.D		Thickness 厚度		Unit Weight 单位重量
in	mm	in	mm	in	mm	Ib/ft	kg/m
1/8	6	0.405	10.3	0.068	1.73	0.24	0.37
1/4	8	0.540	13.7	0.088	2.24	0.42	0.63
3/8	10	0.675	17.1	0.091	2.31	0.57	0.84
1/2	15	0.840	21.3	0.109	2.77	0.85	1.27
3/4	20	1.050	26.7	0.113	2.87	1.13	1.69
1	25	1.315	33.4	0.133	3.38	1.68	2.50
1 ¹/₄	32	1.660	42.2	0.140	3.56	2.27	3.39
1 ¹/₂	40	1.900	48.3	0.145	3.68	2.72	4.05
2	50	2.375	60.3	0.154	3.91	3.65	5.44
2 ¹/₂	65	2.875	73.0	0.203	5.16	5.79	8.63
3	80	3.500	88.9	0.216	5.49	7.58	11.29
3 ¹/₂	90	4.000	101.6	0.226	5.74	9.11	13.57
4	100	4.500	114.3	0.237	6.02	10.79	16.07
5	125	5.563	141.3	0.258	6.55	14.62	21.77
6	150	6.625	168.3	0.280	7.11	18.97	28.26
8	200	8.625	219.1	0.322	8.18	28.55	42.55
10	250	10.75	273.0	0.365	9.27	40.48	60.29
12	300	12.75	323.8	0.375	9.53	49.56	73.86
14	350	14	355.6	0.375	9.53	54.57	81.33
16	400	16	406.4	0.375	9.53	62.58	93.27
18	450	18	457.2	0.375	9.53	70.59	105.21
20	500	20	508.0	0.375	9.53	78.60	117.15
22	550	22	558.8	0.375	9.53	86.61	129.08
24	600	24	609.6	0.375	9.53	94.62	141.02
26	650	26	660.4	0.375	9.53	102.63	152.96
28	700	28	711.2	0.375	9.53	110.64	164.90
30	750	30	762.0	0.375	9.53	118.65	176.84
32	800	32	812.8	0.375	9.53	126.66	188.78
34	850	34	863.6	0.375	9.53	134.67	200.71
36	900	36	914.4	0.375	9.53	142.68	212.65
38	950	38	965.2	0.375	9.53	150.69	224.59
40	1000	40	1016.0	0.375	9.53	158.70	236.53
42	1050	42	1066.8	0.375	9.53	166.71	248.47
44	1100	44	1117.6	0.375	9.53	174.72	260.41
46	1150	46	1168.4	0.375	9.53	182.73	272.35
48	1200	48	1219.2	0.375	9.53	190.74	284.28
50	1250	50	1270.0	0.375	9.53	198.75	296.22
52	1300	52	1320.8	0.375	9.53	206.76	308.16
54	1350	54	1371.6	0.375	9.53	214.77	320.10
56	1400	56	1422.4	0.375	9.53	222.78	332.04
60	1500	60	1524.0	0.375	9.53	238.80	355.92
64	1600	64	1625.6	0.375	9.53	254.82	379.79
68	1700	68	1727.0	0.375	9.53	270.84	403.62
72	1800	72	1828.8	0.375	9.53	286.86	427.55
76	1900	76	1930.4	0.375	9.53	302.88	451.42
80	2000	80	2032.0	0.375	9.53	318.90	475.30

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PIPES to BS 1387, JIS G3452, SS pipes,...

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