產品中心
管線管

 標準 Standard
   美國石油學會標準(API SPEC 5L )

● 用途 Uses
  用于石油、天然氣工業中的氣、水、油輸送
  For converyacne of gas,water and oiil in petroleum and natural gas industries

● 尺寸偏差 Deviation
標準 外徑
偏差
壁厚
偏差
Standard Outside Diameter Tolerance Wall Thickness Tolerances
Tolerances
API SPEC 5L D < 60.3mm (+ 0.41mm~-0.80mm) + 15%S~- 12.5%S
D ≥ 60.3mm (+ 0.75%D~-0.75%D)

● 規格表 Size
名義尺寸
Nominal Size
外徑
Outside Diameter
壁厚
Wall Thickness
平端管米重
Plain-end Weight
inch mm inch mm lb/ft kg/m
0.405 0.405 10.29 0.095 2.4 0.31 0.47
0.54 0.54 13.72 0.088 2.2 0.43 0.62
0.54 13.72 0.119 3.0 0.54 0.79
0.675 0.675 17.15 0.091 2.3 0.57 0.84
0.675 17.15 0.126 3.2 0.74 1.10
0.84 0.84 21.34 0.109 2.8 0.85 1.28
0.84 21.34 0.147 3.7 1.09 1.61
1.05 1.05 26.67 0.113 2.9 1.13 1.70
1.05 26.67 0.154 3.9 1.48 2.19
1.315 1.315 33.4 0.133 3.4 1.68 2.52
1.315 33.4 0.179 4.6 2.17 3.21
1.660 1.660 42.2 0.145 3.7 2.72 3.43
1.660 42.2 0.191 4.9 3.00 4.51
1.660 42.2 0.382 9.7 5.22 7.77
1.900 1.900 48.3 0.145 3.7 2.72 4.07
1.900 48.3 0.200 5.1 3.63 5.43
1.900 48.3 0.400 10.2 6.41 9.58
2 3/8 2.375 60.3 0.109 2.8 2.64 3.97
2.375 60.3 0.125 3.2 3.00 4.51
2.375 60.3 0.141 3.6 6.36 5.03
名義尺寸
Nominal Size
外徑
Outside Diameter
壁厚
Wall Thickness
平端管米重
Plain-end Weight
inch mm inch mm lb/ft kg/m
2 3/8 2.375 60.3 0.154 3.9 3.65 5.42
2.375 60.3 0.172 4.4 4.05 6.07
2.375 60.3 0.188 4.8 4.39 6.57
2.375 60.3 0.218 5.5 5.02 7.43
2.375 60.3 0.250 6.4 5.67 8.51
2.375 60.3 0.281 7.1 6.28 9.31
2.375 60.3 0.436 11.0 9.03 13.47
2 7/8 2.875 73.0 0.109 2.8 3.22 4.85
2.875 73.0 0.125 3.2 3.67 5.51
2.875 73.0 0.141 3.6 4.12 6.16
2.875 73.0 0.156 4.0 4.53 6.81
2.875 73.0 0.172 4.4 4.97 7.44
2.875 73.0 0.188 4.8 5.40 8.07
2.875 73.0 0.203 5.2 5.79 8.69
2.875 73.0 0.216 5.5 6.13 9.16
2.875 73.0 0.250 6.4 7.01 10.51
2.875 73.0 0.276 7.0 7.66 11.39
2.875 73.0 0.552 14.0 13.69 20.37
3 1/2 3.5 88.9 0.141 3.6 5.06 7.57
3.5 88.9 0.156 4.0 5.57 8.37
3.5 88.9 0.172 4.4 6.11 9.17
3.5 88.9 0.188 4.8 6.65 9.95
3.5 88.9 0.216 5.5 7.58 11.31
3.5 88.9 0.250 6.4 8.68 13.02
3.5 88.9 0.281 7.1 9.66 14.32
3.5 88.9 0.300 7.6 10.25 15.24
3.5 88.9 0.600 15.2 18.58 27.63
4 4 101.6 0.156 4.0 6.40 9.63
4 101.6 0.172 4.4 7.03 10.55
4 101.6 0.188 4.8 7.65 11.46
4 101.6 0.226 5.7 9.11 13.48
4 101.6 0.250 6.4 10.01 15.02
4 101.6 0.281 7.1 11.16 16.55
4 101.6 0.318 8.1 12.50 18.68
4 1/2 4.5 114.3 0.156 4.0 7.24 10.88
4.5 114.3 0.172 4.4 7.96 11.92
4.5 114.3 0.188 4.8 8.67 12.96
4.5 114.3 0.203 5.2 9.32 13.99
4.5 114.3 0.219 5.6 10.02 15.01
4.5 114.3 0.237 6.0 10.80 16.02
4.5 114.3 0.250 6.4 11.36 17.03
4.5 114.3 0.281 7.1 12.67 18.77
名義尺寸
Nominal Size
外徑
Outside Diameter
壁厚
Wall Thickness
平端管米重
Plain-end Weight
inch mm inch mm lb/ft kg/m
4 1/2 4.5 114.3 0.312 7.9 12.66 20.73
4.5 114.3 0.337 8.6 13.96 22.42
4.5 114.3 0.438 11.1 19.00 28.25
4.5 114.3 0.531 13.5 22.51 33.56
4.5 114.3 0.674 17.1 25.57 40.99
5 9/16 5.563 141.3 0.156 4.0 9.02 13.54
5.563 141.3 0.188 4.8 10.80 16.16
5.563 141.3 0.219 5.6 12.51 18.74
5.563 141.3 0.258 6.6 14.63 21.92
5.563 141.3 0.281 7.1 15.87 23.50
5.563 141.3 0.312 7.9 17.51 25.99
5.563 141.3 0.344 8.7 19.19 28.45
5.563 141.3 0.375 9.5 20.80 30.88
5.563 141.3 0.500 12.7 27.06 40.28
5.563 141.3 0.625 15.9 32.99 49.17
5.563 141.3 0.750 19.1 38.59 57.56
6 5/8 6.625 168.3 0.188 4.8 12.94 19.35
6.625 168.3 0.203 5.2 13.94 20.91
6.625 168.3 0.219 5.6 15.00 22.47
6.625 168.3 0.250 6.4 17.04 25.55
6.625 168.3 0.280 7.1 18.99 28.22
6.625 168.3 0.312 7.9 21.06 31.25
6.625 168.3 0.344 8.7 23.10 34.24
6.625 168.3 0.375 9.5 25.05 37.20
6.625 168.3 0.432 11.0 28.60 42.67
6.625 168.3 0.500 12.7 32.74 48.73
6.625 168.3 0.562 14.3 36.43 54.31
6.625 168.3 0.625 15.9 40.09 59.76
6.625 168.3 0.719 18.3 45.39 67.69
6.625 168.3 0.750 19.1 47.10 70.27
6.625 168.3 0.864 21.9 53.21 79.06
6.625 168.3 0.875 22.2 53.78 79.98
8 5/8 8.625 219.1 0.250 6.4 22.38 33.57
8.625 219.1 0.277 7.0 24.72 36.61
8.625 219.1 0.312 7.9 27.73 41.14
8.625 219.1 0.322 8.2 28.58 42.65
8.625 219.1 0.344 8.7 30.45 45.14
8.625 219.1 0.375 9.5 33.07 49.10
8.625 219.1 0.438 11.1 38.33 56.94
8.625 219.1 0.500 12.7 43.43 64.64
8.625 219.1 0.562 14.3 48.44 72.22
8.625 219.1 0.625 15.9 53.45 79.67
8.625 219.1 0.719 18.3 60.77 90.62
8.625 219.1 0.750 19.1 63.14 94.20
8.625 219.1 0.812 20.6 67.82 100.84
8.625 219.1 0.875 22.2 72.49 107.79
8.625 219.1 1.000 25.4 81.51 121.33
名義尺寸
Nominal Size
外徑
Outside Diameter
壁厚
Wall Thickness
平端管米重
Plain-end Weight
inch mm inch mm lb/ft kg/m
10 3/4 10.75 273.1 0.250 6.4 28.06 42.09
10.75 273.1 0.279 7.1 31.23 46.57
10.75 273.1 0.307 7.8 34.27 51.03
10.75 273.1 0.344 8.7 38.27 56.72
10.75 273.1 0.365 9.3 40.52 60.50
10.75 273.1 0.483 11.1 48.28 71.72
10.75 273.1 0.500 12.7 54.79 81.55
10.75 273.1 0.562 14.3 61.21 91.26
10.75 273.1 0.625 15.9 67.65 100.85
10.75 273.1 0.719 18.3 77.10 114.99
10.75 273.1 0.812 20.6 86.26 128.27
10.75 273.1 0.875 22.2 92.37 137.36
10.75 273.1 0.938 23.8 98.39 146.32
10.75 273.1 1.000 25.4 104.23 155.15
10.75 273.1 1.250 31.8 126.94 189.22
12 3/4 12.75 323.9 0.330 8.4 43.81 65.35
12.75 323.9 0.344 8.7 45.62 67.62
12.75 323.9 0.375 9.5 49.61 73.65
12.75 323.9 0.406 10.3 53.57 79.65
12.75 323.9 0.438 11.1 57.65 85.62
12.75 323.9 0.500 12.7 65.48 97.46
12.75 323.9 0.562 14.3 73.22 109.18
12.75 323.9 0.625 15.9 81.01 120.76
12.75 323.9 0.688 17.5 88.71 132.23
12.75 323.9 0.750 19.1 96.21 143.56
12.75 323.9 0.812 20.6 103.63 154.08
12.75 323.9 0.875 22.2 111.08 165.17
12.75 323.9 0.938 23.8 118.44 176.13
12.75 323.9 1.000 25.4 125.61 186.97
12.75 323.9 1.062 27.0 132.69 197.68
12.75 323.9 1.125 28.6 139.81 208.27
12.75 323.9 1.250 31.8 153.67 229.06