API Polished Rod
Negotiable /Piece
Min.Order:10 Pieces
Sinotai Petroleum Equipment Co., Ltd.
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 |