地質鉆探用無縫管
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地質鉆探用無縫管的尺寸公差
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尺寸公差
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標準
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外徑公差
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壁厚公差
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YB 235
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D≤89.5 ±0.8%
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按標準
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D>89.5 ±1%
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地質鉆探用無縫管的機械性能/化學成份
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機械性能/化學成份
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標準
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綱級
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抗拉強度(MPa)
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屈服強度(MPa)
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延伸率(%)
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P
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S
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YB 235
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DZ40
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637
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373
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14
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≤0.040
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0.045
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地質鉆探用無縫管規格表
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鋼級
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外徑
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壁厚（mm）
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(mm)
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長螺紋
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短螺紋
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J55
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139.7
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6.98
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7.72
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6.2
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6.54
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7.72
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K55
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177.8
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4.04
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9.19
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6.91
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8.05
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9.19
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219.1
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4.94
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10.16
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7.72
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8.94
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10.14
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244.5
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4.94
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10.03
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8.94
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10.03
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273
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9.09
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10.16
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11.43
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339.7
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9.65
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10.92
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12.19
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13.06
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N80
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139.7
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7.72
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9.17
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10.54
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177.8
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4.05
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9.19
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10.36
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11.51
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12.65
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13.72
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219.1
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10.16
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11.43
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12.72
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14.15
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244.5
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10.03
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11.05
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11.99
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13.44
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11.43
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12.57
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273
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12.19
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13.06
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339.7
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P110
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139.7
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7.72
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9.17
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19.54
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177.8
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9.19
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10.36
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11.51
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12.45
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219.1
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11.43
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12.7
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14.15
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244.5
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11.05
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11.59
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13.41
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273
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11.43
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12.57
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13.84
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15.11
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具體規格 地質鉆探用無縫管 價格 電詢 022-86658108 13820127868 為準。
