Drilling Collar with Non-mag Material of Downhole Drilling Equipment
Drilling Collar Quick details:
1.Standard: API Spec 7-1
2.Material: AISI 4145 H Modified Alloy Steel
3.Export Percentage: 95%
4.Supply Ability: 1000 sets per month
5. Main Market: Middle East, North America, Europe
6. Delivery time: 10 days in stock, 30 days after advance payment
FACTORY DERICTLY!!
Drilling Collar Usage :
One of the most important components of the drill string is
to provide drilling bit of pressure and the drill string rigid role .
Drilling Collar Specification:
Standard size ,bores and connectionfor drill collars | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Mechanical Property :
Mechanical Property of Slick and Spiral drill collars made of AISI 4145 H
OD Range | Yield Strength MPa | TensileStrength MPa | Elongation % | Hardness HB | Impact Test J | |
mm | in | |||||
79.4171.4 | 31/863/4 | ≥758 | ≥965 | ≥13 | 285341 | ≥54 |
177.8279.4 | 711 | ≥689 | ≥930 | ≥13 | 285341 | ≥54 |
Mechanical Property of Non-mag Drill Collars
OD Range | Yield Strength MPa | TensileStrength MPa | Elongation % | Hardness HB | Impact Test J | |
mm | in | |||||
79.4171.4 | 31/863/4 | ≥758 | ≥827 | ≥18 | ||
177.8279.4 | 711 | ≥689 | ≥758 | ≥20 | ||
Kingwell Drilling Collar Detail:
Warrantee:
1. All of our goods give 1 year warranty.
2. Within guarantee period, we supply free after service. After guarantee period, we supply square parts in 20% discount.
Please contact me freely if you are interested in our products.
