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Sucker Rod Introduction:
The sucker rod is a steel rod that used to make up the mechanical assembly between the surface and downhole components of a rod pumping system.
The product conforms to API Specification 11B (Oil extraction rod Standard) and other related standard, authorized to use the API monogram.
All sizes of sucker rod (standard, heavy, polish rod) which conform to API specification latest version 11B are available in grade K, C, D and HL.
Technical Performances:
Adopting the advanced production line crack detecting, quenching, the continuous overall tempering and sand blasting processes to achieve higher mechanical strength ability with overall good performance.
The thread is cut by the special-purpose numerical control lathe which keeps the rod body still when cutting the threads. The special process could ensure the high precision of the thread with better reliability and life-span.
Specification parameter of sucker rod:
| Nominal Size of Rod (Steel) |
Diameter of Rod Body(mm) |
Outside Diameter of Pin shoulder(mm) |
Nominal Diameter of thread |
Nominal Size of Sucker Rod length(mm) |
Pony Rod (mm) |
| 5/8" | φ15.88 | 31.8 | 15/16" | 7518,9042 | 508 1118 1727 2337 2946 |
| 3/4" | φ19.05 | 38.1 | 1-1/16" | ||
| 7/8" | φ22.23 | 41.3 | 1-3/16" | ||
| 1" | φ25.4 | 50.8 | 1-3/8" | ||
| 1 1/8" | φ28.58 | 57.2 | 1-9/16" |
Specification of the material:
| Grade | yield strength Rel(Mpa) |
Tensile strength Rm(Mpa) |
Percentage Elongation A(%) |
Contraction Percentage of Area Z(%) |
Impact Toughness |
| C | ≥ 414 | 620-793 | ≥ 12 | ≥ 55 | ≥ 70 |
| D | ≥ 620 | 794-965 | ≥ 10 | ≥ 50 | ≥ 58.8 |
| K | ≥ 414 | 620-793 | ≥ 12 | ≥ 55 | ≥ 70 |
The predecessor of Henan Puyang Zhongshi Group Co.,Ltd. was the 5th Machine Repairing Factory of Puyang Zhongyuan Oil field, Sinopec Corp. In 1997, after being restructured according to the modern corporate system, the factory was named Puyang Zhongshi Group Co.,Ltd.
With registered capital of 60,840,000 yuan, Puyang Zhongshi Group is composed of 9 subsidiaries, including 8 manufacturers and 1 trade company. Zhongshi Group covers an area of 200,000 sq.m, including workshop area of 50,000 sq.m. Various kinds of production equipment values 38,600,000 yuan. It has a strong mechanical processing capability.
Our leading products are pumping unit , wellhead (X-mas tree), tubing pump & sucker rod pump, cementing accessories, down-hole tools,casing centralizer, drilling solid control series,float collar, pressure vessel ,camping house, air cannon, belt feeder ,float shoe and so on. They are mainly supplied to Central Asia, Southeast Asia, Africa and Middle East and many other countries.
Zhongshi Group has been the Tier One internet service provider of Sinopec. We passed ISO9001 quality management system certification and got approved to use API monograms on its oil machineries. So far, we have attained API 5CT, API 10D, API 11AX, API 11E and more are applying for.
With strong technical backup, reliable product quality, advanced marketing regime and good service system, this company wins popularity and recognition of vast consumers home and abroad.
wechat : 37798983
TM : cn200039616
Skype: cathy20059999
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