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Oil Steel Pipe Grade D Polished Rod Sucker Rod High Performance API 11B Oil Pumping Equipment

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October 11, 2025
Category Connection: Polished Steel Rod
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#high strength steel rod #1 inch diameter steel rod #steel sucker rod
Brief: Discover the high-performance Oil Steel Pipe Grade D Polished Rod Sucker Rod, designed for API 11B oil pumping equipment. Made from AISI 4130 steel, these rods offer durability, strength, and corrosion resistance for various well conditions. Ideal for light to deep wells, they ensure long-lasting performance in oil and gas production.
Related Product Features:
  • Made from high-quality AISI 4130 steel for superior strength and durability.
  • Available in various grades (D, K, H) to suit different well conditions.
  • Heat-treated for high tensile and yield strength, ensuring long service life.
  • Corrosion-resistant, suitable for H2S, CO2, and NaCl environments.
  • Precision-engineered with advanced production and detection equipment.
  • Complies with API 11B standards for reliable oil pumping performance.
  • Offers excellent plasticity and impact toughness for demanding applications.
  • Customizable specifications to meet specific client requirements.
Faqs:
  • What are the main applications of the Grade D sucker rod?
    Grade D sucker rods are ideal for light to medium-load wells with no or mild corrosion. They are made from high-quality alloy steel, offering high strength and long life in non-corrosive or mildly corrosive environments.
  • How does the Grade K sucker rod differ from Grade D?
    Grade K sucker rods are made from Ni-Cr-Mo alloy steel, providing superior corrosion resistance in H2S, CO2, and NaCl environments. They are suitable for strong corrosive conditions in shallow, middle, and deep wells, unlike Grade D which is for non-corrosive or mildly corrosive environments.
  • What are the mechanical properties of the Grade D sucker rod?
    Grade D sucker rods have a yield strength of ≥ 620 MPa, tensile strength of 794-965 MPa, elongation of ≥ 10%, and impact toughness of ≥ 58.85 J/cm². These properties ensure high performance and durability in demanding oilfield applications.
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