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| Product Name: |
Non-Magnetic Drill Collars
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| Supply Ability: |
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| Related proudcts |
drill collar, spiral drill collar, |
| Specifications |
Magnetic field gradient (hot spots) max: B 0.05micro tesla/100mm |
| Price Term: |
FOB |
| Port of loading: |
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| Minimum Order |
1 |
| Unit Price: |
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The non-magnetic drill collar are made of 4145H modified chromium-molybdenum alloy steel according to API Spec 7 and aSY/T 5144. All threads can be phosphated, copperised or cold worked. All threads are machined with CNC Lathes-Double-Shouldered and a special threads.
Out diamete: 3 1/8 ~ 11(inch)
Internal diameter: 1 1/4 ~ 3(inch)
Length: 9150 ~ 9450
Bending strength raio: 76.2 ~ 266.7(mm)
Bend strength ratio: 2.57: 1 ~ 2.84: 1. |
| Company: |
Beijing Metalwork Technology Trade Co.,Ltd
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| Contact: |
Mr. Feng Bo |
| Address: |
Beiyuan,Tongzhou District,Beijing |
| Postcode: |
101100 |
| Tel: |
86-010-52891298/010-81596908 |
| Fax: |
010-81596908 |
| E-mail: |
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