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Grade D API Sucker rod for oilfield
Sucker rods and couplings are manufactured in accordance with API 11B.
We can supply sucker rods as follows:
Grade: C,D,K,KD,HY,HL
Size (in,): 5/8" (16 mm), 3/4"(19 mm), 7/8"(22 mm) , 1"(25 mm), 1-1/8" (28 mm)
The pony sucker rods and conventional/slim hole couplings with various sizes are available as well.
We can also provide conventional API sucker rods, corrosion resistant sucker rods, FRP (fiber glass reinforced plastic) sucker rods, polished sucker rods and couplings, special sucker rods for progressive cavity pumps, hollow sucker rods and electric heating systems.
Wehas provided sucker rods to Sudan, USA, Canada, Australia, India, Kazakhstan and Indonesia ,
Egypt etc.
1. API Conventional Sucker Rod
Our conventional sucker rods are API monogrammed.
Grade C sucker rod: Moderate strength, not susceptible to sulfide stress cracking, suitable in sour medium.
Grade D sucker rod: Made of quality heat treated steel alloy, with high tensile and yield strength; suitable for non-corroding or mildly corroding environment.
Grade K, KD sucker rod: With good corrosion resistance in H2S, CO2 and NaCl media, superior tensile strength.
Grade HL and HY sucker rod: High strength; structure and size matching with grade D sucker rod; withstanding 966-1, 136 MPa (140, 000-164, 720 psi); suitable for deep and large displacement wells


2. Special Structure Sucker Rod
The rod connectors are welded on the sucker rod body by friction welding. Mechanical properties and sizes of all parts of solid sucker rod conform to API 11B
3. Steel Sinker Rod
The steel sinker rod is heavier than the conventional rod. It is used at the bottom of the sucker rod string to keep the rod string under tension and to reduce crooks of the sucker rod string during downward travel

4. Polished Rod
Three types of polished rods are available: conventional grade D polished rod, one end diameter enlarged polished rod and high-strength, long stroke, corrosion resistant polished rod. All the polished rods are made of quality alloy steel and machined by using the advanced machining technology with high strength, smooth surface and long service life. All types of the polished rods are API and ISO9002 certified.

5. Hollow Sucker Rod
The hollow sucker rod is manufactured in accordance with China national standard: SY/T5550-1998 Hollow Sucker Rod (see below table). The rod is used to:
Inject thermal media (e.g. hot oil. water and chemicals) to reduce its viscosity and remove paraffin
Insert the cable and run down through the hole of the hollow sucker rod to enable the cable and the rod body to built up an electric circuit
Heat the crude oil above and bellow the pump during the whole process to reduce the oil viscosity and remove the paraffin of the crude oil

Special Purpose Hollow Sucker Rod for PC Pump
The special purpose hollow sucker rod for progressive cavity (PC) pump has the features of large torque bearing capacity of hollow sucker rod to drive PC pump. Compared with the solid sucker rod with the same weight, the torque bearing capacity of the hollow sucker rod is three times larger than that of the solid sucker rod. The large capacity PC pump is usually fitted with the special purpose hollow sucker rod.
The following sizes are available: 34 mm, 36 mm and 38 mm (see above table). The Max allowable torque is 3, 200 Nm (2, 360 lb.ft) and 3, 800 Nm (2, 800 lb.ft).
6. Hot-spray Coated Corrosion-proof Sucker Rod
The sucker rod withstands cyclic load and well fluid corrosion. It has the high comprehensive mechanical properties and good resistance to corrosion. Since the corrosion of sucker rod surface is the primary cause of accident of sucker rod, it is necessary to protect the sucker rod surface. Hot spray, as a high-efficiency corrosion-proof technology, can be applied to various types of sucker rods. According to different corrosion media, different hot spraying powder can be chosen. After sand blast or shot peening the sucker rod surface, the hot spray can be conducted to promote the anticorrosion performance and the load capacity of the sucker rod. There are two kinds of anticorrosion coating: metal coating and nonmetal coating.
7. Anticorrosion Sucker Rod
The anticorrosion sucker rod is manufactured by using the advanced technology of ICO Inc. (USA). The sucker rod surface is corrosion-proof treated by using the special surface coating technology to make the rod body not to crack and can prolong its service life. After corrosion-proof treatment, the sucker rod can prevent paraffin, salt and scale deposit, reduce the fluid resistance and increase the oil output. It is applicable to deep wells, high productivity wells, heavy oil wells and high corrosion wells.
| Place of Origin | Tianjin, China (Mainland) |
| Brand Name | China petroleum Equipment |
| Model Number | 5/8"-1-3/4" |
| Type | Sucker Rod |
| Machine Type | Oil production |
| Certification | API |
| Material | Alloy steel |
| Processing Type | Forging |
| Use | Oil production |
| Grade | C, D, K, KD, H |
| Technique | Hot Rolled Hot forging |
| Grade C | Moderate strength Not susceptible to sulfide stress cracking suitable in sour medium |
| Grade D | Heat treated steel alloy High tensile and yield strength Suitable for non-corroding or mildly corroding environment |
| Grade K | Superior tensile strength Good corrosion resistance in H2S, CO2 and NaCl media |
| Grade HL and HY | High strength suitable for deep and large displacement wells |



packaging:standard packing or as customer requirment
port:tianjin xingang

1. API certificate
2. good quality
3.Strong supply capacity
4. Good after-sales service

Tianjin Soright Petroleum Equipment Technology Co., Ltd. (hereafter called Soright Tech) is one of the exporting windows of China Petroleum Machinery. Our company integrates the R&D, machinery processing and technical service of petroleum machinery products.
Soright Tech aims at providing clients with satisfying products and service to benefit both clients and employees.
Being master in petroleum machinery, Supplying high quality products to clients, Being honesty to everyone.


Grade D API Sucker rod for oilfield
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