Robust Cast Iron Manhole Cover: Urban Stamina & Charm
Our Robust Cast Iron Manhole Cover boasts urban stamina and timeless charm. Crafted from high-quality cast iron, it's durable and reliable, designed to withstand heavy traffic and harsh weather. Its classic design complements urban settings, blending functionality with aesthetic appeal.
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Characteristic:
Our Robust Cast Iron Manhole Cover combines urban stamina with timeless charm, making it a perfect fit for municipal infrastructure projects. Crafted from high-quality cast iron, it offers unmatched durability and reliability, designed to withstand the rigors of heavy traffic and extreme weather conditions. Its classic 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 robust solution for protecting underground utilities while adding a touch of charm to urban spaces.
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 |
