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標稱管徑
(Designator)
外徑
(Outside Diameter)
外徑許可差
(Tolerance on Outside Diameter)
厚度
(Thickness)
不包括接頭之單位重量
(Unit Weight Exclusive Coupling)
A B 螺紋鋼管
(Threaded)
其他鋼管
(Others)
mm mm kg/m
15 1/2 21.7 ±0.5mm ±0.5mm 2.8 1.31
20 3/4 27.2 ±0.5mm ±0.5mm 2.8 1.68
25 1 34.0 ±0.5mm ±0.5mm 3.2 2.43
32 1-1/4 42.7 ±0.5mm ±0.5mm 3.5 3.38
40 1-1/2 48.6 ±0.5mm ±0.5mm 3.5 3.89
50 2 60.5 ±0.5mm ±1% 3.8 5.31
65 2-1/2 76.3 ±0.7mm ±1% 4.2 7.47
80 3 89.1 ±0.8mm ±1% 4.2 8.79
90 3-1/2 101.6 ±0.8mm ±1% 4.2 10.1
100 4 114.3 ±0.8mm ±1% 4.5 12.2
125 5 139.8 ±0.8mm ±1% 4.5 15.0
150 6 165.2 ±0.8mm ±1.6mm 5.0 19.8
200 8 216.3 ±1.0mm ±0.8% 5.8 30.1
250 10 267.4 ±1.3mm ±0.8% 6.6 42.4
300 12 318.5 ±1.5mm ±0.8% 6.9 53.0
350 14 355.6   ±0.8% 7.9 67.7
400 16 406.4   ±0.8% 7.9 77.6
450 18 457.2   ±0.8% 7.9 87.5
500 20 508.0   ±0.8% 7.9 97.4

註(Note):

  1. 適用種類SGP。(Equivalent to JIS G3452 SGP.)
  2. 水壓試驗:鋼管經25kg/cm2之水壓測試,無洩漏或其它缺陷。
    (Hydrostatic Test:Its Strength to Withstand the Pressure 25kg/cm2 Without Leakage and Other Defects.)
  3. 厚度許可差:+無規定/-12.5%。(Tolerance on Thickness:+Not Specified/-12.5%.)

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