Grade D K H Oilfield Sucker Rods For Deep Well PCP Pumps
API Spec 11B Grade D & K GradeH Sucker Rod Suit For Deep Well And PCP Pumps
Product Description:
Sucker rod is manufactured according to API Spec 11B which mainly includes grade D and K. Grade H sucker rod is developed to suit for deep well and pcp pumps. Zhongshi alway provide the sucker rods which have the D ,K, KD , HL, HY type sucker rod.
Sucker Rod Manufacturing Process:
1. Inspected rod bars weather have any demage, fault and discontinuities.
2. Rod Bars are been machine straightened and cold drawn to the required size.
3. The rod bar ends are hot forged according to the designed sizes
4. The rods are heat treated with the full length
5. Then The rods are checked again for straightness.
6. Rods are cleaned by shot-blasting and remove any scale and oxidation.
7. Then machine forged ends on C. N. C. Lathe machines as per API dimensions and checked with API approved gauges.
Sucker Rod Specification:
|
Size in (mm) |
Rod Body diameter in (mm) | diameter of ext. thread in (mm) |
Full size Coupling OD mm (in) |
Coupling OD mm (in) |
Wrench square W*L mm (in) | Length series m (ft) |
| 5/8 (16) | 5/8 (15.88) | 15/16 (23.81) | 38.10(1.5) | 31.8 (1.25) | 22.2×31.8 (7/8×1-1/4) | 7.62 (25) |
| 3/4 (19) | 3/4 (19.05) | 1-1/16(26.99) | 41.28(1.625) | 38.1 (1.5) | 25.4×31.8 (1×1-1/4) | 9.14 (30) |
| 7/8 (22) | 7/8 (22.23) | 1-3/16 (30.16) | 46.0(1.812) | 41.3 (1.625) | 25.4×31.8 (1×1-1/4) | 0.6 (2), 1 (3) |
| 1 (25) | 1 (25.40) | 1-3/8 (34.93) | 55.6(2.187) | 50.8 (2) | 33.3×38.1(1-5/16×1-1/2) | 2 (6), 3 (10) |
| 1-1/8 (28) | 1-1/8 (28.58) | 1-9/16 (39.7) | 60.33(2.375) | 57.2 (2.25) | 38.1×41.3 (1-1/2×1-5/8) |
Mechanical Properties of Sucker Rods:
| Grade |
Min Yield strength 0.2% offset M Pa (psi) |
Tensile strength M Pa (psi) |
Elongation δ% |
Reduction of area ψ% |
| K | 414 (60, 000) | 621-793(90, 000-115, 000) | ≥13 | ≥60 |
| C | 414 (60, 000) | 621-793(90, 000-115, 000) | ≥13 | ≥50 |
| D | 586 (84, 970) | 793-965 (114, 985-139, 925) | ≥10 | ≥50 |
| KD | 590(85, 000) | 793-965 (114, 985-139, 925) | ≥10 | ≥50 |
| HL | 795(115,000) | 965-1,195(140,000-173,339) | ≥10 | ≥45 |
| HY | 540 (78, 300) | 965-1,195(140,000-173,339) | ≥42 | ≥224 |
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