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Ductile Iron Manhole Cover

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November 12, 2025
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Tags:
#drainage manhole cover #rainwater manhole cover #ductile iron cover and frame
Brief: Discover the High Strength Ductile Iron Manhole Cover, designed for heavy load applications with exceptional toughness and corrosion resistance. Perfect for high-traffic areas and humid environments, this square cover features anti-theft mechanisms and customizable sizes. Learn more about its performance and specifications in this video.
Related Product Features:
  • High strength with tensile strength ≥420MPa and yield strength ≥300MPa, capable of withstanding large loads up to 40 tons.
  • Excellent toughness with impact value comparable to medium carbon steel, making it resistant to breakage from vehicle impacts.
  • Strong corrosion resistance, with a service life 2x longer than gray iron and 5x longer than ordinary steel pipes.
  • Anti-theft features include bolt fixing and special lock mechanisms to prevent unauthorized access.
  • Aesthetic adaptability with a square design that blends seamlessly into urban environments.
  • Available with anti-slip surface treatments and customizable sizes from 500×500mm to 800×800mm.
  • Ideal for humid and corrosive environments such as sewage systems.
  • D400 grade can withstand approximately 40 tons, making it suitable for high-traffic areas.
Faqs:
  • How to get a quote for the Ductile Iron Manhole Cover?
    Quotation requires material specifications, pressure ratings, and caliber details.
  • Can you produce parts according to samples?
    Yes, we offer reverse engineering services for custom production.
  • Do you provide samples of the Ductile Iron Manhole Cover?
    Samples are available after order confirmation, tailored to your requirements.
  • What certifications does your company have for quality assurance?
    We hold ISO9001, API, SGS, and CE certifications for quality assurance.
  • What are the primary shipping ports for the Ductile Iron Manhole Cover?
    Primary shipping ports include Shanghai, Tianjin, Qingdao, and Ningbo. We also accommodate custom port requests and have extensive railway transport experience.
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