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8mm Thin-Walled Cast Steel Manhole Cover Pallet Bottom Ring | Durable

Explore the official product page for 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray
8mm Thin-Walled Cast Steel Manhole Cover Pallet Bottom Ring | Durable
Product overview of 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray
Industry Trends & Market Overview
The global infrastructure market witnesses a growing demand for robust and durable industrial pipe accessories. 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray emerges as a preferred solution, attributed to:
  • Urbanization and increased utility pipeline projects
  • Rising requirements for corrosion-resistance and sustainability
  • Stricter ISO 9001, EN124, and ANSI industry standards driving quality upgrades
  • Lean manufacturing focusing on lightweight yet high-strength elements
Industry data: According to Statista, the global pipeline market size surpassed $68 billion in 2023, with the demand for advanced manhole accessories growing at 5.1% CAGR.
8mm Thin-Walled Cast Steel Manhole Cover Pallet Bottom Ring | Durable
On-site installation of 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray
Technical Specifications – Product Data Sheet
Parameter Specification Industry Standard
Wall Thickness 8mm (±0.3mm tolerance) EN124 / ISO 1083
Material QT450-10 Cast Steel (Ductile Cast Iron Standard) ISO 1083 / ASTM A536
Surface Treatment Anti-corrosive epoxy coating ISO 12944
Outer Diameter Range 500mm ~ 2200mm (customizable) Project specific
Tensile Strength ≥ 450 MPa ISO 1083
Yield Strength 320 MPa (min.) ISO 1083
Impact Resistance ≥ 10 J (at -20°C) ISO 148
Coating Thickness ≥80μm ISO 12944-6
Typical Weight ~32 kg (for 800mm diameter) N/A
8mm Thin-Walled Cast Steel Manhole Cover Pallet Bottom Ring | Durable
Precision cast surface and sealing edge details
Manufacturing Process Flowchart
Step 1
Material Selection
Choose QT450-10 ductile cast steel for optimum ductility and load resistance.
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Step 2
High-Precision Molding
Automated sand casting molds are prepared, ensuring consistent 8mm wall thickness.
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Step 3
Casting & Cooling
Molten steel is poured; controlled cooling prevents internal stress and microcracks.
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Step 4
Rough Machining
Excess material removed using CNC turning-lathes for high dimensional accuracy.
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Step 5
Quality Inspection
Ultrasonic flaw-detection, surface roughness & hardness checks to ISO / ANSI standards.
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Step 6
Surface Coating
Epoxy or zinc-rich coating per ISO 12944, average thickness ≥ 80μm.
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Step 7
Final Assembly
& Packaging
Assemble with custom fasteners if needed, pack with impact-resistant protection.
See a typical manufacturing process video for similar cast steel components.
8mm Thin-Walled Cast Steel Manhole Cover Pallet Bottom Ring | Durable
In-house ISO-certified quality inspection of 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray
Key Technical Advantages: Why Choose This Product?
  • High Load-Bearing: 8mm thickness tailored for urban trunk pipelines, supports up to 40 tons static load (heavy-duty class).
  • Corrosion Resistance: Epoxy/zinc surface, 1500+ hours salt-spray test, ideal for rainwater, sewage, and corrosive environment applications.
  • Precision Fit: ±0.3mm tolerance, guaranteeing reliable sealing with concrete pipe interfaces.
  • Lightweight Yet Strong: Thin-wall casting reduces deadweight, easing installation and transport versus traditional 12-18mm wall rings.
  • Compliance: Certified to ISO 9001, EN124 B/E class, and ANSI A112.3.1.
  • Lifecycle: Independently tested for >30 years service in standard municipal conditions.
8mm Thin-Walled Cast Steel Manhole Cover Pallet Bottom Ring | Durable
Corrosion-resistance test & surface coating quality
Product Performance Comparison Chart
8mm Thin-Walled Cast Steel Manhole Cover Pallet Bottom Ring | Durable
CNC finishing for superior fit and durability
Distribution by Application Industry
8mm Thin-Walled Cast Steel Manhole Cover Pallet Bottom Ring | Durable
Urban pipeline system utilizing 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray
Surface Coating Effectiveness vs Environmental Exposure
8mm Thin-Walled Cast Steel Manhole Cover Pallet Bottom Ring | Durable
Pallet bottom ring/tray ready for project delivery
Application Scenarios: Field-Proven Performance
  • Municipal Drainage & Water Treatment Plants: Used in main sewer connections and water supply lines for leak-tight, rigid pipe interfaces.
  • Petrochemical Industries: Resists exposure to acids, oil vapors, and extreme temperature cycles. Cited in projects such as Sinopec (China) pipelines in 2023.
  • Industrial Parks & Heavy-duty Roadways: Withstands dynamic truck traffic, preventing manhole movement or subsidence.
  • Steel & Metallurgy: Used as support rings for cooling water and effluent pipes in steel mills (e.g., Wuhan Steel Group case study, 2022).
Case Study – Waterworks Project (2023, Hebei, China):
  • Challenge: Existing grey iron trays (18mm) suffered corrosion and fitment issues, leading to repeated pipeline leaks.
  • Solution: Switched to 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray with epoxy coating.
  • Result: Reduced replacement downtime by 45%, improved pipe sealing, and cut annual maintenance costs by 33%.
End-user feedback cited ease of installation and noticeable durability improvement.
Manufacturer Comparison: Selection Guide
Manufacturer Material Max Diameter (mm) Coating Type Certifications Lead Time (days)
Casiting QT450-10 Cast Steel 2200 Epoxy/Zinc-rich ISO 9001, EN124 15-25
KingIron Ductile Iron 1800 Bitumen EN124 22-30
SS PipeFit Forged Steel 1600 Galvanized ISO 14001 18-35
EastFoundry Grey Cast Iron 1500 Enamel Paint ANSI A112.3.1 20-28
Customization & Tailored Engineering Solutions
  • Diameter Customization: Available from 500mm to 2200mm. Non-standard shapes possible via advanced 3D sand-mold printing.
  • Material Options: Alternate grades (QT500, forged steel) or special alloys for extreme environments.
  • Coating Solutions: Dual-layer, acid-proof and abrasion-resistant coatings as per customer request.
  • Marking & Traceability: Laser-engraved batch codes and RFID tags for project lifetime traceability.
  • On-Demand Testing: Third-party (SGS) testing reports available; FEA mechanical strength simulation per ISO 9001 project specs.
User Experience: Client Testimonials
"Since switching to Casiting's 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray, our maintenance workload dropped significantly. The rings fit perfectly and have shown no sign of corrosion even in challenging chemical runoff."
— Utility Infrastructure Engineer, Guangdong Municipal (2023)
"Quick installation, robust quality, highly recommend for high-load drainage projects."
— Senior Project Manager, City Drainage Co. (2022)
Certifications, Corporate Partnerships & Industry Recognition

Casiting's 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray complies with:

  • ISO 9001:2015 certified factory processes
  • Independent EN124 B/E class load certification
  • ANSI A112.3.1:2021 listed for North America
  • Supplying to leading EPCs: Sinopec, Baosteel, China State Construction, Asian Water Utilities
30+ years' service record, with successful deployments in over 20 nations worldwide.
Lead Time, Warranty, and Professional Support
  • Lead Time: Standard delivery within 15-25 days (for orders < 500 units). Large-scale project delivery by phased schedule.
  • Warranty: 5-year product warranty covering materials and manufacturing defects (standard conditions).
  • Aftersales: Dedicated technical engineering team available for installation advice, on-site training, and troubleshooting.
  • Support: 24/7 online customer service, quick response for claims, and free replacement within warranty term for verified defects.
  • Testing & Documentation: Each shipment includes full material certificate, test records, and CE/ISO compliance declaration as needed.
FAQ: Professional Technical FAQ
Q1: What is the base material used in the 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray?
A1: The standard material is QT450-10 ductile cast steel, known for its high tensile strength (≥450 MPa) and superior elongation, meeting ISO 1083 and ASTM A536 specifications.
Q2: What surface coatings are available, and how do they resist corrosion?
A2: Options include epoxy (ISO 12944), zinc-rich, or dual-protection coatings. All coatings pass 1300–2200 hours in neutral salt-spray tests, ensuring long-term protection even in aggressive environments.
Q3: What are the available diameter and dimensional ranges?
A3: Standard diameters range from 500mm up to 2200mm; custom sizing is supported per client specification or project drawings.
Q4: What international quality standards does the product meet?
A4: Fully compliant with EN124, ISO 9001, and ANSI A112.3.1. Additional third-party inspections (e.g., SGS, TUV) available per client request.
Q5: How should the pallet bottom ring/tray be installed for concrete pipe connections?
A5: Install level onto reinforced base concrete; ensure proper keying and sealing. Follow project-specific alignment and vibration-resistance requirements.
Q6: Can the product be used in high-traffic or corrosive environments?
A6: Yes. The cast steel base and advanced coatings make the ring/tray suitable for road crossings, industrial zones, and chemical disposal sites, providing 30+ years of expected service life.
Q7: What aftersales and technical documents are supplied?
A7: Each shipment includes material certificates, NDT records, load-test results, and installation manuals. Custom third-party inspection and FEA reports upon request.
Conclusion
Choosing a certified, precision-engineered 8mm thin-walled cast steel concrete pipe manhole cover pallet bottom ring/tray offers tangible advantages for utility infrastructure, industrial pipelines, and municipal projects. Its proven load-resistance, exceptional anti-corrosive properties, and customization flexibility position it as a future-ready upgrade for demanding applications.

Maximize safety and longevity for your pipeline connection projects. Partner with certified experts for efficient, reliable solutions.
Further reading & references:
- ResearchGate: Quality Control for Manufacturing of Manhole Covers using Cast Iron
- IJERT: Comparison of Materials Used in Manhole Covers — A Review
- Eng-Tips Forum: Pipe and Manhole Cover Design Discussions
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