Min. Order: | 5 Metric Ton |
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Trade Term: | FOB |
Payment Terms: | L/C, T/T, WU |
Supply Ability: | 500 Metric Ton/Metric Tons per Month |
Place of Origin: | Henan |
Location: | Zhengzhou, Henan, China (Mainland) |
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Business Type: | Manufacturer, Trading Company |
Main Products: | Drill Pipe, Tinplate, Galvanized Coil, Steel Pipe, Round Steel Bar |
Model No.: | 35CrMo4,Cr-Mo alloy |
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Means of Transport: | Ocean |
Thickness:: | 38 - 53 mm |
Standard:: | API 5DP,API |
Grade:: | 35CrMo4,Cr-Mo alloy |
Certification: | API |
Model Number:: | 35CrMo4,Cr-Mo alloy |
Secondary Or Not: | Non-secondary |
Application:: | Oil Pipe |
Outer Diameter:: | 79.4 - 279.4 mm |
Surface Treatment: | Other |
Section Shape:: | Round |
Production Capacity: | 500 Metric Ton/Metric Tons per Month |
Packing: | in Bundles |
Delivery Date: | 20-30 days |
Thickness: 38 - 53 mm
Grade: 12CrMo,35CrMo4,15MnV
Outer Diameter: 79.4 - 279.4 mm
Application: Drill Pipe
The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity.
Drill Collar Number | O.D | I.D | Length | Bevel Diameter | Refbend g Strength ratio | ||
mm | in | mm | in | (mm) | |||
NC23-31 | 79.4 | 3 1/8 | 31.8 | 1 1/2 | 9150 | 76.2 | 2.57:1 |
NC26-35(2 3/8 IF) | 88.9 | 3 1/2 | 38.1 | 1 1/2 | 9150 | 82.9 | 2.42:1 |
NC31-41(2 7/8 IF) | 104.8 | 4 1/8 | 50.8 | 2 | 9150 | 100.4 | 2.43:1 |
NC35-47 | 120.6 | 4 3/4 | 50.8 | 2 | 9150 | 114.7 | 2.58:1 |
NC38-50(3 1/2 IF) | 127 | 5 | 57.2 | 2 1/4 | 9150 | 121 | 2.38:1 |
NC44-60 | 152.4 | 6 | 57.2 | 2 1/4 | 9150&9450 | 144.5 | 2.49:1 |
NC44-60 | 152.4 | 6 | 71.4 | 2 13/16 | 9150&9450 | 144.5 | 2.84:1 |
NC44-62 | 158.8 | 6 1/4 | 57.2 | 2 1/4 | 9150&9450 | 149.2 | 2.91:1 |
NC46-62(4IF) | 158.8 | 6 1/4 | 71.4 | 2 13/16 | 9150&9450 | 150 | 2.63:1 |
NC46-65(4IF) | 165.1 | 6 1/2 | 57.2 | 2 1/4 | 9150&9450 | 154.8 | 2.76:1 |
NC46-65(4IF) | 165.1 | 6 1/2 | 71.4 | 2 13/16 | 9150&9450 | 154.8 | 3.05:1 |
NC46-67(4IF) | 171.4 | 6 3/4 | 57.2 | 2 1/4 | 9150&9450 | 159.5 | 3.18:1 |
N50-67(4 1/2 IF) | 171.4 | 6 3/4 | 71.4 | 2 13/16 | 9150&9450 | 159.5 | 2.37:1 |
NC50-70(4 1/2 IF) | 177.8 | 7 | 57.2 | 2 1/4 | 9150&9450 | 164.7 | 2.54:1 |
NC50-70(4 1/2 IF) | 177.8 | 7 | 71.4 | 2 13/16 | 9150&9450 | 164.7 | 2.73:1 |
NC50-72(4 1/2 IF) | 184.2 | 7 1/4 | 71.4 | 2 13/16 | 9150&9450 | 169.5 | 3.12:1 |
NC56-77 | 196.8 | 7 3/4 | 71.4 | 2 13/16 | 9150&9450 | 185.3 | 2.70:1 |
NC56-80 | 203.2 | 8 | 71.4 | 2 13/16 | 9150&9450 | 190.1 | 3.02:1 |
6 5/8 REG | 209.6 | 8 1/4 | 71.4 | 2 13/16 | 9150&9450 | 195.7 | 2.93:1 |
NC61-90 | 228.6 | 9 | 71.4 | 2 13/16 | 9150&9450 | 212.6 | 3.17:1 |
7 5/8 REG | 241.3 | 9 1/2 | 76.2 | 3 | 9150&9450 | 223.8 | 2.81:1 |
NC70-97 | 247.6 | 9 3/4 | 76.2 | 3 | 9150&9450 | 232.8 | 2.57:1 |
NC70-100 | 254 | 10 | 76.2 | 3 | 9150&9450 | 237.3 | 2.81:1 |
8 5/8 REG | 279.4 | 11 | 76.2 | 3 | 266.7 | 2.84:1 |
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