Durable Cast Iron Manhole Cover: Urban Toughness & Class
Our Durable Cast Iron Manhole Cover combines urban toughness with timeless class. Crafted from high-quality cast iron, it's designed to withstand heavy traffic and harsh weather. Its sleek design complements urban settings, blending functionality with elegance.
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Characteristic:
Our Durable Cast Iron Manhole Cover combines urban toughness with timeless class, making it a perfect fit for municipal infrastructure projects. Crafted from high-quality cast iron, it's designed to withstand the demands of heavy traffic and extreme weather conditions. Its sleek and elegant design complements any urban landscape, blending functionality with aesthetic appeal. Easy to install and maintain, this cover requires minimal upkeep and is a reliable solution for protecting underground utilities while enhancing the urban environment's charm.
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 |
