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Drill Collar
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Product Description
API SPEC 7-1 drill collar is made with rolling or forging AISI4145H chromium molybdenum alloy steel. Therefore, it needs to control chemical composition and the content of trace elements effectively.
Specification
|
Standard |
Number |
OD |
ID |
Length |
Weight |
Typical Bending |
|
SY5144-2007/API7-1 |
NC 23-31 |
3-1/8 |
1-1/4 |
30 |
22 |
2.57:1 |
|
NC 26-35 (2-3/8 IF) |
3-1/2 |
1-1/2 |
30 |
27 |
2.42:1 |
|
|
NC 31-41 (2-7/8 IF) |
4-1/8 |
2 |
30 or 31 |
34 |
2.43:1 |
|
|
NC 35-47 |
4-3 /4 |
2 |
30 or 31 |
47 |
2.58:1 |
|
|
NC 38-50 (3-1/2 IF) |
5 |
2-1/4 |
30 or 31 |
54 |
2.38:1 |
|
|
NC 44-60 |
6 |
2-1/4 |
30 or 31 |
83 |
|
Packing and shipping
The company is located in the Free Trade Pilot Zone of Jinan City, Shandong Province, close to China's famous ports of Tianjin Port and Qingdao Port. It has a superior production and operation environment, convenient logistics exports, mature industrial facilities, and complete supporting industries.
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Phone : +8619153118618
Email: sales68@baotecn.com
WhatsApp : +8619153118618
Add : No. 28988, Jingshi Road, Huaiyin District, Jinan City, Shandong Province
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