China Geological Equipment Group Co., Ltd.
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Polished Rod

Introductions

CGEG produces two types of polished rods: general polished rod and end upset polished rod. All polished rods are made of high-quality alloy cold-draw steel, with great strength and toughness, smooth surfaces and extended lifespan.

General polished rods comply with API Spec 11B Standard, with the same exterior threads at both ends (cone angle=9°), including three specifications: 1-1/8", 1-1/4" and1-1/2".

End upset polished rods comply with SY/T5029 Standard, including three specifications: 1", 1-1/8" and 1-1/4". The upset ends are the same with those of sucker rods. In application, the upset ends are connected with the couplings of sucker rods.

Mechanical Property
Type General Polished Rod End Upset Polished Rod
Alloy Steel D HL HY KH
Rm (MPa) 655~1103 (95000~ 160000psi) 793~965 (115000~ 140000psi) 965~1195 (140000~ 173000psi) 965~1195 (140000~ 173000psi) 965~1195 (140000~ 173000psi)
Specification
Type Material Chemical Composition (wt.%)
C Mn Si Cr Mo Ni V S P Cu
General 42CrMoA (AISI 4142) 0.38~ 0.45 0.50~ 0.80 0.17~ 0.37 0.90~ 1.20 0.15~ 0.25 ≤0.30 ≤ 0.07 ≤ 0.025 ≤ 0.025 ≤0.20
End Upset 30CrMoA (AISI 4130) 0.26~ 0.33 0.40~ 0.70 0.17~ 0.37 0.80~ 1.10 0.15~ 0.25 ≤0.30 ≤ 0.07 ≤ 0.025 ≤ 0.025 ≤0.20
Corrosion Resistance 30CrMnNi2MoVA (AISI 4330) 0.30~ 0.35 0.80~ 1.10 0.15~ 0.35 0.80~ 1.10 0.20~ 0.30 1.65~ 2.00 0.05 ~0.1 ≤ 0.025 ≤ 0.025 ≤0.20
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China Geological Equipment Group Co., Ltd.

Add.: 5th Floor, Botai Mansion, No. 221 Wangjing Xiyuan, Beijing 100102

Contact Us:
Tel: +86-510-83769831

Other products
    1. Sinker Bars
    2. Sinker Bars
    1. Couplings (Class T)
    2. Couplings (Class T)
    1. Drive Sucker Rod
    2. Drive Sucker Rod
    1. Centralized Sucker Rod
    2. Centralized Sucker Rod
  • Exploration Core Drill Rigs
  • Geotechnical Drilling Rigs
  • Hydrogeological & Water Well Drilling Rigs
  • Underground Drill Rigs
  • Associated Drilling Equipment & Accessories
  • Drilling Tools
  • Oilfield Tools
    1. Sucker Rods
      1. Steel Sucker Rods
      2. Polished Rod
      3. Sinker Bars
      4. Couplings (Class T)
      5. Drive Sucker Rod
      6. Centralized Sucker Rod
    2. Couplings
    3. Casing
  • Geophysical Instrument
  • Analytical Instrument
Tags
Oilfield tool sucker rod polished rod end upset polished rod geological equipment
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