產品中心
鉆桿
● 標準 Standard
美國石油學會標準(API SPEC 5D)

● 用途 Uses
用于鉆井 For well drilling

● 尺寸偏差 Deviation
外徑、壁厚、重量允許偏差
項目 Item 允許偏差 Tolerances
管體 Pipe Body 外徑 Outside Diameter D ≤ 101.6mm ± 0.79mm D ≥
114.3mm -0.50%D~+1.00D%
壁厚 Wall Thickness - 12.5%
重量 Weight 單根 Single Lengths  -3.5%~+6.5%

●規格表 Size
規格外徑
Size Designation
公稱重量
Calculated Weight
計算重量
Calculated Weight
鋼級
Grade
壁厚
Wall Thickness
加厚形式
( 見注 )
Upset End,for
Weld-on Tool
Joints(see Note)
in mm lb/ft kg/m in mm
2 3/8 ″ 60.3 6.65 6.26 9.32 E.X.G.S 0.280 7.11 EU
2 7/8 ″ 73.0 10.40 9.72 14.48 E.X.G.S 0.362 9.19 EU
3 1/2 ″ 88.9 13.30 12.31 18.34 E.X.G.S 0.368 9.35 EU
3 1/2 ″ 88.9 15.50 14.63 21.79 E.X.G.S 0.449 11.40 EU
4 ″ 101.6 14.00 12.93 19.26 E.X.G.S 0.330 8.38 EU
4 1/2 ″ 114.3 16.60 14.98 22.31 E.X.G.S 0.337 8.56 EU
4 1/2 ″ 114.3 20.00 18.69 27.84 E.X.G.S 0.430 10.92 EU
5 ″ 127 19.50 17.93 26.71 E.X.G.S 0.362 9.19 IEU
5 ″ 127 25.60 24.03 35.79 E.X.G.S 0.500 12.70 IEU
5 1/2 ″ 139.7 21.90 19.81 29.51 E.X.G.S 0.361 9.17 IEU
5 1/2 ″ 139.7 24.70 22.54 33.57 E.X.G.S 0.415 10.54 IEU

注:  EU- 外加厚   IEU- 內外加厚   IU-內加厚
Note: EU-External Upset     IEU-Internal & External Upset    IU-Internal Upset