Jiyuan City Kunyuan Forging Co., Ltd
| Packaging Details | Packaged with steel pallet, wooden case packing suitable for long distance transportation OR Adaptin |
| Delivery Time | 50~65 days after receiving the orders |
| Payment Terms | L/C,T/T |
| Supply Ability | 4000 Metric Tons per Year |
| Material | 40CrMnMo |
| Length | 9450mm |
| Size | 7'' , 8'' |
| Brand | KY |
| Certificate | ISO9001:2008 |
| Origin of Goods | Jiyuan, Henan |
| Standard | API |
| Processing type | Forging |
| Color | Bright |
| Place of Origin | Jiyuan, China (Mainland) |
| Brand Name | KY |
| Certification | ISO9001:2008 |
| Model Number |
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Product Specification
| Packaging Details | Packaged with steel pallet, wooden case packing suitable for long distance transportation OR Adaptin | Delivery Time | 50~65 days after receiving the orders |
| Payment Terms | L/C,T/T | Supply Ability | 4000 Metric Tons per Year |
| Material | 40CrMnMo | Length | 9450mm |
| Size | 7'' , 8'' | Brand | KY |
| Certificate | ISO9001:2008 | Origin of Goods | Jiyuan, Henan |
| Standard | API | Processing type | Forging |
| Color | Bright | Place of Origin | Jiyuan, China (Mainland) |
| Brand Name | KY | Certification | ISO9001:2008 |
| Model Number | |||
| High Light | slick drill collar ，spiral drill collar | ||
Drilling Tool Stabilizer Non Magnetic Drill Collars , 40CrMnMo 9450mm Length
Description:
Drill collars are manufactured from 4145H modified steel.Drill collars are bored and drifted to API Spec 7-1 and fully heated to meet or exceed the mechanical property requirements of API Spec.Hardness range of 285-341HB and a charpy “V”notch impact value of 54 joules are guaranteed one inch below the surface
When enquiries or orders,please specify:
Slick or spiral ; Drill collar OD ; Drill collar bore ; Length of drill collar; Connection type
Applications:
Drilling tool stabilizer is an important tool for oil, gas and geology exploration drilling engineering to prevent well deflection. Drill collars,heavy weight drill pipe and lifting subs are tools matched with stabilizers.
Drill collars are bored and drifted to API Spec 7-1 and fully heated to meet or exceed the mechanical property requirements of API Spec.
Specifications:
71. Material:4145H,4145Mod,40CrMnMo etc.
2. Standard size, inner diameter and thread for drill collar
|
No. |
Outer diameter |
Inner diameter |
Length |
Should chamfering diameter |
Bending |
||
|
mm |
in |
mm |
in |
||||
|
NC23-31 |
79.4 |
3 1/8 |
31.8 |
1 1/4 |
9150 |
76.2 |
2.57:1 |
|
NC26-35 |
88.9 |
3 1/2 |
38.1 |
1 1/2 |
9150 |
82.9 |
2.42:1 |
|
NC31-41 |
104.8 |
4 1/8 |
50.8 |
2 |
9150 / 9450 |
100.4 |
2.43:1 |
|
NC35-47 |
120.7 |
4 3/4 |
50.8 |
2 |
9150 / 9450 |
114.7 |
2.58:1 |
|
NC38-50 |
127.0 |
5 |
57.2 |
2 1/4 |
9150 / 9450 |
121.0 |
2.38:1 |
|
NC44-60 |
152.4 |
6 |
57.2 |
2 1/4 |
9150 / 9450 |
144.5 |
2.49:1 |
|
NC44-60 |
152.4 |
6 |
71.4 |
2 13/16 |
9150 / 9450 |
144.5 |
2.84:1 |
|
NC44-62 |
158.8 |
6 1/4 |
57.2 |
2 1/4 |
9150 / 9450 |
149.2 |
2.91:1 |
|
NC46-62 |
158.8 |
6 1/4 |
71.4 |
2 13/16 |
9150 / 9450 |
150.0 |
2.63:1 |
|
NC46-65 |
165.1 |
6 1/2 |
57.2 |
2 1/4 |
9150 / 9450 |
154.8 |
2.76:1 |
|
NC46-65 |
165.1 |
6 1/2 |
71.4 |
2 13/16 |
9150 / 9450 |
154.8 |
3.05:1 |
|
NC46-67 |
171.4 |
6 3/4 |
57.2 |
2 1/4 |
9150 / 9450 |
159.5 |
3.18:1 |
|
NC50-67 |
171.4 |
6 3/4 |
71.4 |
2 13/16 |
9150 / 9450 |
159.5 |
2.37:1 |
|
NC50-70 |
177.8 |
7 |
57.2 |
2 1/4 |
9150 / 9450 |
164.7 |
2.54:1 |
|
NC50-70 |
177.8 |
7 |
71.4 |
2 13/16 |
9150 / 9450 |
164.7 |
2.73:1 |
|
NC50-72 |
184.2 |
7 1/4 |
71.4 |
2 13/16 |
9150 / 9450 |
169.5 |
3.12:1 |
|
NC56-77 |
196.8 |
7 3/4 |
71.4 |
2 13/16 |
9150 / 9450 |
185.3 |
2.70:1 |
|
NC56-80 |
203.2 |
8 |
71.4 |
2 13/16 |
9150 / 9450 |
190.1 |
3.02:1 |
|
6 5/8 |
209.6 |
8 1/4 |
71.4 |
2 13/16 |
9150 / 9450 |
195.7 |
2.93:1 |
|
NC61-90 |
228.6 |
9 |
71.4 |
2 13/16 |
9150 / 9450 |
212.7 |
3.17:1 |
|
7 5/8 |
241.3 |
9 1/2 |
76.2 |
3 |
9150 / 9450 |
223.8 |
2.81:1 |
|
NC70-97 |
247.6 |
9 3/4 |
76.2 |
3 |
9150 / 9450 |
232.6 |
2.57:1 |
|
NC70-100 |
254.0 |
10 |
76.2 |
3 |
9150 / 9450 |
237.3 |
2.81:1 |
|
8 5/8 |
279.4 |
11 |
76.2 |
3 |
9150 / 9450 |
266.7 |
2.84:1 |
3. Mechanical property for dill collar
|
|
Yield strength σ0.2 |
Tensile strengthσb |
Elongation |
Brinell Hardness |
Impact Value |
|
|
mm |
in inch |
|||||
|
79.4～171.4 |
3 1/8～6 3/4 |
≥758 |
≥965 |
≥13 |
285～341 |
≥54 |
|
177.8～279.4 |
7～11 |
≥689 |
≥930 |
|||
Competitive Advantage:
Strict quality control
Competitive price
Just-in-time delivery
Specialist services
Quality certificate:ISO9001:2008
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
10 Million-20 Million
Employee Number:
100~150
Ecer Certification：
Active Member
Company Profile: Jiyuan City Kunyuan Forging Co., Ltd. is a specialized manufacture company, which produces large and medium-sized shafts, die plates, rings, modules, rollers, oil drilling stabilizers, centrifugal cast pipe molds, flanges and other forgings as well as fine machining pro... Company Profile: Jiyuan City Kunyuan Forging Co., Ltd. is a specialized manufacture company, which produces large and medium-sized shafts, die plates, rings, modules, rollers, oil drilling stabilizers, centrifugal cast pipe molds, flanges and other forgings as well as fine machining pro...
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