Description:
Polished rod is a special sucker rod.
Sucker rod is among our leading products absorbing technical essence from home and abroad in accordance with API SPEC 11B, SY/T5029, applying the advanced technology in market and special material developed and anti-corrosion sucker rod, cooperating with international leading manufacturer to produce several sorts of sucker rod such as Grade HL/HY/KD/D with different properties consisting of high strength and toughness, anti-corrosion and surface spray, used in major oilfield home and abroad. The capacity of sucker rod is 5,000,000 meters per year, making good returns through high added value.
Usage:
| 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 |
grade C: suitable for sour medium environment where they are not susceptible to sulphuric stress cracking.
grade D: suitable for the deeper oil well in the non-corrosion or light-corrosion medium.
grade K: suitable for light loading and corrosion medium shallow well.
Technical Date:
| Size |
Rod D.(in) |
Thread D.(in) |
Length of pin(mm) |
Length of wrench(mm) |
Width of Wrench (mm) |
Length of rod(ft) |
| 5/8 |
5/8 |
15/16 |
31.75 |
≥ 31.8 |
22.20 |
2 / 4 /6 / 8 /10/25/30 |
| 3/4 |
3/4 |
1-1/16 |
36.50 |
≥ 31.8 |
25.40 |
2 / 4 /6 / 8 /10/25/30 |
| 7/8 |
7/8 |
1-3/16 |
41.28 |
≥ 31.8 |
25.40 |
2 / 4 /6 / 8 /10/25/30 |
| 1 |
1 |
1-3/8 |
47.63 |
≥38.1 |
33.30 |
2 / 4 /6 / 8 /10/25/30 |
| 1-1/8 |
1-1/8 |
1-9/16 |
53.98 |
≥41.3 |
38.10 |
2 / 4 /6 / 8 /10/25/30 |
Audited Supplier 
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