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drill collar api7-1 new condition! HOT SALES!
USD $1,000 - $5,000
/ Ton
1 Ton(Min. Order)
- Qingdao
- T/T
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Product Details
| Place of Origin | Shandong, China | Brand Name | Hongsheng | |
| Model Number | A | Type | Drill Collar | |
| Machine Type | Drilling Equipment | Certification | API | |
| Material | Carbon Steel | Processing Type | Casting | |
| Use | Coal Mining |
Product Description
Specifications
1)high resistance to YAI (yield approach index)2)cerfication api7-1
3)low price for buyers and good quanlity good price
According to the drill collar material is divided into two kinds of shape and form.
A type (cylindrical type): Use common alloy steel pipe inside and outside are circular cross-section;
B-type (spiral): ordinary alloy steel tube outer surface with a spiral groove.
| Outside diameter(in) | Yield Strength (MPa) | Tensile strength (MPa) | Elongation (%) | Brinell hardness (HB) | “V” Impact rate (J) |
A | 3-1/8 ~ 6-3/4 | ≥758 | ≥965 | ≥13 | 285~341 | ≥54 |
B | 7 ~ 11 | ≥689 | ≥930 | ≥13 | 285~341 | ≥54 |
Contact Us
- Lijin Hongsheng Industry Co., Ltd.
- Contact nameKevin Wang Chat Now
- Phone86-546-7709698
- Address(North Of Li 3rd Road, West Of Jin 6th Road) Lijin Economic Development Zone
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