Sucker Rod
Sucker Rod
- Designed and manufactured according to API spec 11B.
- Able to supply sucker rod in different grades.
- Threads are processed as to ensure high precision, reliable performance and extended service life.
- Available in 5/8″ (15.88mm), 3/4″ (19.05mm), 7/8″ (22.23mm), 1″ (25.40mm), and 1-1/8″ (28.58mm) body diameter.
Ordinary sucker rod & pony rod:
| Size (in) | Rod D. (in) | Thread D. (in) | Length (ft) | Outside Diameter of Pin Shoulder (mm) | Length of Thread (mm) | Length of Wrench Square (mm) | Width of Wrench Square (mm) |
| 5/8 | 5/8 | 15/16 | 2 4 6 8 10 25 30 | 31.8 | 31.75 | ≥ 31.8 | 22.2 |
| 3/4 | 3/4 | 11/16 | 38.1 | 36.5 | 25.4 | ||
| 7/8 | 7/8 | 1-3/16 | 41.3 | 41.28 | |||
| 1 | 1 | 1-3/8 | 50.8 | 47.63 | ≥ 38.1 | 33.3 | |
| 1-1/8 | 1-1/8 | 1-9/16 | 57.2 | 53.98 | ≥ 41.3 | 38.1 |
| Grade | Yield Strength | Tensile Strength Rm (Mpa) | Percentage Elongation A (%) | Contraction Percentage of Area Z (%) | Impact Toughness |
| Rel (Mpa) | a(3/cm2) | ||||
| C | ≥ 414 | 620-793 | ≥ 12 | ≥ 55 | ≥ 70 |
| D | ≥ 620 | 794-965 | ≥ 10 | ≥ 505 | ≥ 58.85 |
| K | ≥ 414 | 620-793 | ≥ 12 | ≥ 55 | ≥ 70 |
Polished rod:
| Size (in) | Rod D. (mm) | Length (ft) | Thread D. (in) | Thread Length (mm) | Small Diameter Taper of Thread | ||
| 1 | 25.4 | 30 25 24 16 | 15/16 | 28.58 | 9° | ||
| 1 Upset | 15/16 | 1-1/16 | 31.75 | 36.5 | |||
| 1-1/8 | 28.6 | 15/16 | 1-1/16 | 34.93 | |||
| 1-1/8 Upset | 1-3/16 | 1-3/8 | 41.28 | 47.63 | |||
| 1-1/4 | 31.8 | 1-3/16 | 34.93 | ||||
| 1-1/4 Upset | 1-3/8 | 1-9/16 | 47.63 | 53.98 | |||
| 1-1/2 | 38.1 | 1-3/8 | 44.45 | ||||
| Grade | Yield Strength Rel (Mpa) | Tensile Strength Rm (Mpa) | Percentage Elongation A (%) | Contraction Percentage of Area Z (%) | Impact Toughness ak(J/cm2) | |
| 1 | ≥ 414 | 620-827 | ≥ 12 | ≥ 55 | ≥ 70 | |
| 2 | General | ≥ 586 | 655-1102 | ≥ 10 | ≥ 50 | ≥ 58.8 |
| Anti-corrosion | ≥ 414 | ≥ 12 | ≥ 55 | ≥ 70 | ||
Sucker rod is steel rod that manufactured according to API SPEC 11B with C, D, H and K Grades. It is used to connect the pumping unit on the ground and the oil well pump down in the well. Sucker rod is an important part in the oil production system. Different grades of sucker rod has features of high strength, non-corrosive medium, good tensile and long service life.
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