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| Product Name: |
API Drill Collar
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| Specifications |
AISI 4145 H or 4145 H modified alloy steel |
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Drill collars are made of AISI 4145 H or 4145 H modified alloy steel. Its bores are trepanned from one direction with no mismatch. All drill collars are Q&T overall length by our own unique Power Frequency Induction Heating Treatment machine.
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| Company: |
Shanghai BYGEN Machine Equipment CO., Ltd
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| Contact: |
Ms. yang irene |
| Address: |
Room 309 N0.1599 West Yanan Road Yixiang Buliding,Changning District Shanghai.China |
| Postcode: |
200050 |
| Tel: |
86 21-62120283 |
| Fax: |
86 21-62120283 |
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