深井水泵用電焊鋼管(YB/T4028
(1)尺寸規格見表6-137。表6-137深井水泵用電焊鋼管的尺寸規格 外徑D /mm | 壁厚S/mm |
3.0 | 3.25 | 3.5 | 3.75 | 4.O | 4.5 | 5.0 | 5.5 | 6.0 | 7.O | 8.0 | 10.0 | 12.O |
理論質量/(kg/m) |
48 | 3.33 | 3.59 | 3.84 | 4.09 | 4.43 | 4.83 | 5.30 | | | | | | |
60 | 4.22 | 4.55 | 4.88 | 5.20 | 5.52 | 6.16 | 6.78 | 7.39 | 7.99 | | | | |
76 | 5.40 | 5.83 | 6.26 | 6.68 | 7.10 | 7.93 | 8.75 | 9.58 | lO.36 | 11.9l | | | |
89 | 6.36 | 6.87 | 7.38 | 7.88 | 8.38 | 9.38 | 10.36 | 11.33 | 12.28 | 14.15 | | | |
102 | 7.32 | 7.9l | 8.50 | 9.09 | 9.67 | 10.82 | 11.96 | 13.09 | 14.20 | 16.40 | | | |
114 | 8.2l | 8.88 | 9.54 | 10.19 | 10.85 | 12.15 | 13.44 | 14.72 | 15.98 | 18.47 | | | |
140 | | | 11.78 | 12.60 | 13.42 | 15.04 | 16.65 | 18.24 | 19.83 | 22.96 | | | |
159 | | | 13.42 | 14.36 | 15.29 | 17.14 | 18.99 | 20.82 | 22.64 | 26.24 | | | |
168 | | | 14.20 | 15.19 | 16.18 | 18.14 | 20.10 | 22.04 | 23.97 | 27.79 | 3l.56 | | |
194 | | | | | 18.74 | 21.03 | 23.30 | 25.57 | 27.82 | 32.28 | 36.69 | | |
219 | | | | | 21.21 | 23.80 | 26.39 | 28.96 | 31.52 | 36.60 | 41.63 | | |
245 | | | | | 23.77 | 26.69 | 29.59 | 32.48 | 35.36 | 41.08 | 46.76 | | |
273 | | | | | 26.53 | 29.80 | 33.04 | 36.28 | 39.51 | 45.92 | 52.28 | | |
324 | | | | | 31.56 | 35.45 | 39.33 | 43.20 | 47.05 | 54.72 | 62.34 | | |
355.5 | | | | | | 38.95 | 43.22 | 47.47 | 51.7l | 60.16 | 68.55 | | |
377 | | | | | | 41.37 | 45.87 | 50.39 | 54.89 | 63.87 | 72.80 | | |
406.5 | | | | | | 44.60 | 49.50 | 54.39 | 59.26 | 68.96 | 78.62 | 97.78 | |
457 | | | | | | | 55.73 | 61.24 | 66.73 | 77.68 | 88.58 | 110.23 | |
508 | | | | | | | | 68.15 | 74.28 | 86.48 | 98.64 | 122.8l | 146.78 |
註:1.鋼管的通常長度為3—12m。2.鋼管的定尺長度應在通常長度範圍內,其長度答應偏差為+20mm。 3.鋼管的倍尺長度應在通常長度範圍內,每個倍尺間應留出5-10mm的切口餘量,鋼管全長的答應偏差為+20mm。(2)答應偏差見表6—138。表6一138深井水泵用電焊鋼管的答應偏差 (mm) 外 徑 | 外徑答應偏差 | 壁 厚 | 壁 厚答應偏差 |
D<76 | +O.70 -0.10 | 3.O~12.0 | +12.5 %一10 |
76≤D≤114 | +1.0 %-O.2 |
D>114 | ±O.8% |
註:1.鋼管的彎曲度每米不大於1.2mm。 2.鋼管的圓度應不大於外徑公差的70%。(3)用途適用於深井水泵、潛水泵及其他用途。