Specifications
sucker polished rod:Sucker Rod for coal-bed gas production is an important component to connect surface pumping unit.
sucker polished rod
1.Sucker Rod for coal-bed gas production is an important component to connect surface pumping unit with down-hole pump in coal-bed gas rod production system.
2.We mainly produce 6 sorts and over 20 specifications of rods.
3.They are grade D rod, grade H ultra-strength rod, hollow rod, polished rod, pony rod and continuous carbon fiber rod.
4.steel continuous sucker rod and continuous carbon fiber currently take the lead place at home.
| Standard (in) | Length (m) | Mechanical property | ||||||
| Strength of extension MPa | Yield limit MPa | Extensibility 200mm % | Contraction of cross sectional area % | Airy notched bar impact strength | Fatigue resistance | |||
| MPa | Circulate index | |||||||
| CYG3/4 | 7.62 | 793~965 | ≥620 | ≥10 | ≥50 | ≥60.8 | 406 | ≥1×106 |
