High-Strength Cast Iron Manhole Cover: Ideal for Urban Environments
Our High-Strength Cast Iron Manhole Cover is ideal for urban environments, offering exceptional durability and strength. Crafted from high-quality materials, it withstands heavy traffic and extreme weather conditions. This cover ensures safety and security, preventing accidents and injuries. Easy to install and maintain, it's a reliable choice for urban infrastructure.
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Characteristic:
Our High-Strength Cast Iron Manhole Cover is the perfect solution for urban environments, combining exceptional durability and strength with a sleek design. Crafted from high-quality cast iron, it withstands the rigors of heavy traffic and extreme weather conditions, ensuring safety and security for pedestrians and vehicles alike. This cover is easy to install and maintain, requiring minimal upkeep while providing reliable protection for urban infrastructure. Its robust construction makes it an ideal choice for high-traffic areas, offering peace of mind for years to come.
1. Good toughness. The impact value is similar to that of medium carbon steel and more than 10 times that of gray iron.
2. Strong corrosion resistance. Water spray corrosion test, 90 days of corrosion is only 1/40 of the steel pipe, is 1/10 of the gray iron pipe. The service life is 2 times that of gray iron pipe and 5 times that of ordinary steel pipe.
3. Good plasticity. Elongation ≥7%, similar to high carbon steel, while gray iron material elongation is zero.
4. High intensity. Tensile strength ob ≥420MPa, yield strength os ≥300MPa, the same as low carbon steel, is three times the gray iron material.
Grade:
| Size | Grade | Pressure | Size | Garde | Pressure |
| Φ500*600 | B125 | 10T | Φ700*800 | E600 | 60T |
| Φ500*600 | C250 | 20T | Φ700*900 | C250 | 20T |
| Φ600*700 | B125 | 10T | Φ700*900 | D400 | 40T |
| Φ600*700 | C250 | 20T | Φ800*900 | B125 | 10T |
| Φ600*700 | D400 | 40T | Φ800*900 | C250 | 20T |
| Φ700*800 | A15 | / | Φ800*900 | D400 | 40T |
| Φ700*800 | B125 | 10T | Φ1000*1200 | B125 | 10T |
| Φ700*800 | C250 | 20T | Φ1000*1200 | C250 | 20T |
