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High Speed Of Oil Field Drill Collars
Chemical composition
|
Grade |
Chemical composition % |
||||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
With |
To the |
V |
|
|
4145HMOD |
0.42   ～ 0.49 |
0.15 ～0.35 |
1.00 ～1.25 |
≤ 0.025 |
≤ 0.025 |
1.00 ～1.35 |
0.30-0.35 |
≤ 0.25 |
≤ 0.35 |
≤ 0.05 |
0.03 ~ 0 . 08 |
Â
Mechanical properties of drill collars
|
Outer diameter range |
Yield strength R t |
Tensile strength R m |
Elongation A% |
Brinell hardness HB |
Charpy impact energy AkvJ |
|
|
mm |
in |
MPa |
MPa |
 |  |  |
|
79.4 — 171.4 |
3 1/8 — 6 3/4 |
≥758 |
≥965 |
≥13 |
285 — 341 |
≥54 or ≥70 |
|
177.8 — 279.4 |
7 — 11 |
≥689 |
≥930 |
≥13 |
285 — 341 |
≥54 or ≥70 |
Mechanical properties of drill collars
|
Outer diameter range |
Yield strength R t |
Tensile strength R m |
Elongation A% |
Brinell hardness HB |
Charpy impact energy AkvJ |
|
|
mm |
in |
MPa |
MPa |
 |  |  |
|
79.4 — 171.4 |
3 1/8 — 6 3/4 |
≥758 |
≥965 |
≥13 |
285 — 341 |
≥54 or ≥70 |
|
177.8 — 279.4 |
7 — 11 |
≥689 |
≥930 |
≥13 |
285 — 341 |
≥54 or ≥70 |
Â
Chemical composition
|
Grade |
Chemical composition % |
||||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
With |
To the |
V |
|
|
4145HMOD |
0.42   ～ 0.49 |
0.15 ～0.35 |
1.00 ～1.25 |
≤ 0.025 |
≤ 0.025 |
1.00 ～1.35 |
0.30-0.35 |
≤ 0.25 |
≤ 0.35 |
≤ 0.05 |
0.03 ~ 0 . 08 |
Â
| Drill collar specifications | OD | ID | Length Length | Chamfer diameter Champher | Reference curved Bending strength Proportion | ||
| mm | in | mm | in | Â | mm | Intensity ratio | |
| NC23-31 | 79.4 | 3 1/8 | 31.8 | 11/4 | 9150 | 76.2 | 2.57:1 |
| NC26-35(2 3/8IF) | 88.9 | 3 1/2 | 38.1 | 11/2 | 9150 | 82.9 | 2.42:1 |
| NC31-41 (2 7 / 8IF) | 104.8 | 4 1/8 | 50.8 | 2 | 9150 | 100.4 | 2.43:1 |
| NC35-47 | 120.7 | 4 3/4 | 50.8 | 2 | 9150 | 114.7 | 2.58:1 |
| NC38-50 (3 1 / 2IF) | 127.0 | 5 | 57.2 | 2 1/4 | 9150 or 9450 | 121.0 | 2.38:1 |
| NC44-60 | 152.4 | 6 | 57.2 | 2 1/4 | 9150 or 9450 | 144.5 | 2.49:1 |
| NC44-62 | 158.8 | 6 1/4 | 57.2 | 2 1/4 | 9150 or 9450 | 149.2 | 2.91:1 |
| NC44-62(4IF) | 158.8 | 6 1/4 | 71.4 | 2 13/16 | 9150 or 9450 | 150.0 | 2.63:1 |
| NC46-65(4IF) | 165.1 | 6 1/2 | 57.2 | 2 1/4 | 9150 or 9450 | 154.8 | 2.76:1 |
| NC46-65(4IF) | 165.1 | 6 1/2 | 71.4 | 2 13/16 | 9150 or 9450 | 154.8 | 3.05:1 |
| NC46-67(4IF) | 171.4 | 6 3/4 | 57.2 | 2 1/4 | 9150 or 9450 | 159.5 | 3.18:1 |
| NC50-67(4 1/2IF) | 171.4 | 6 3/4 | 71.4 | 2 13/16 | 9150 or 9450 | 159.5 | 2.37:1 |
| NC50-70(4 1/2IF) | 177.8 | 7 | 57.2 | 2 1/4 | 9150 or 9450 | 164.7 | 2.54:1 |
| NC50-70(4 1/2IF) | 177.8 | 7 | 71.4 | 2 13/16 | 9150 or 9450 | 164.7 | 2.73:1 |
| NC50-72(4 1/2IF) | 184.2 | 7 1/4 | 71.4 | 2 13/16 | 9150 or 9450 | 169.5 | 3.12:1 |
| NC50-77 | 196.8 | 7 3/4 | 71.4 | 2 13/16 | 9150 or 9450 | 185.3 | 2.70:1 |
| NC50-80 | 203.2 | 8 | 71.4 | 2 13/16 | 9150 or 9450 | 190.1 | 3.02:1 |
| 6 5/8REG | 209.6 | 8 1/4 | 71.4 | 2 13/16 | 9150 or 9450 | 195.7 | 2.93:1 |
| NC61-90 | 228.6 | 9 | 71.4 | 2 13/16 | 9150 or 9450 | 212.7 | 3.17:1 |
| 7 5/8REG | 241.3 | 9 1/2 | 76.2 | 3 | 9150 or 9450 | 223.8 | 2.81:1 |
| NC70-97 | 247.6 | 9 3/4 | 76.2 | 3 | 9150 or 9450 | 232.6 | 2.57:1 |
| NC70-100 | 254.0 | 10 | 76.2 | 3 | 9150 or 9450 | 237.3 | 2.81:1 |
| 8 5/8REG | 279.4 | 11 | 76.2 | 3 | 9150 or 9450 | 266.7 | 2.84:1 |
HP Non Cracked Overlay Plate is a ground, non-stick surface produced to minimize or eliminate material adhering to the surface.
The low coefficient of friction allows for reduced sticking or carryback in a variety of application such as chutes, hoppers, and mobile equipment and truck box liners.
Besides this grade plate, HP Wear Resistant Group offers various products of wear plates namely Cr-Carbide Weld Clad Plates, Smooth Surface CCO plate, Heat Treated Wear Plates (AR Plate or Q&T Steel), Casting Plates, Tungsten Carbide Coated Plates in various grade and multiple size options. Composite Wear Plate is a bi-metal plate consisting of a low carbon or alloyed steel base plate and a layer of wear resistant deposit.
The low carbon steel base plate enables the plate to be welded, bolted or studded to existing structures, while the hard facing provides the premier wear-resistant surface capable of working in all applicable service conditions at either ambient or elevated temperatures.
Due to its excellent properties, HP Wear Plates work for long-lasting service life and superb performance, which are well applied to the industries like Cement Plant, Steel Mill, Mining Site, Power Generation, Construction, etc-anywhere need combat with abrasion.
|
Industrial Applications |
|
Mining, Cement and Brick |
|
Dozer Moldboards. Shovel Liners. Chute Liners. Dragline Buckets. Classifier Screens. Mine and Quarry Skips. Pug Mill Paddles. Compactor Rollers. Bucket Lips. Dipper Buckets. Ore Cars. Ore Scrapers. Dump Truck Body Beds. Loaders and High Lifts. Skid Plates. |
|
Steel Mills |
|
Blast Furnace. Coke Oven and Sinter Plants. Skip Car Liners. Sinter Breakers. Ore Bucket Liners. Receiving Hoppers. Grizzly Bars. Feeder Bins. Conveyor Buckets. Chutes. Spiked Roll Crushers. |
|
Power Plants |
|
Pulveriser Mills. Cyclones. Receiving Hoppers. Liner Plates. Coal Handling Systems. Coal Buckets. Conveyors. Fan Blades and Housings. |
|
General Industry |
|
Grain Chutes. Rub Bars for Conveyor Chains. Agitator Paddles. Dredge Pump Liners. Grit Blast Liners. Centrifugal Pump Liners. Mower Skid Plates. |
|
The mechanically strong interface between the alloy and steel backing is clearly depicted in this cross sectional photograph of Wear Plate. |
Non Cracked Overlay Plate,Smooth Hardfacing Wear Plate,Cement Vertial Mill Wear Plate,Composite Wear Plate
HuiFeng Wear Resistant Group , https://www.hpwearsolution.com