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Sucker rod & pony rod
meet with API 11B
material:
grade C: SSYD-1 (similar AISI1526)
grade D: 30CrMoA (similar AISI 4130)
grade K: 20Ni2MoA (similar 4620)
mechanical properties
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 |
technical parameters
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 |
Usage:
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.
sucker rod API 11B grade K D C