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square cast iron manhole covers
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Galvanized Heavy Duty Vehicular Steel Grating With Hinge Open For Drain Trench Cover In modern infrastructure construction, the quality and performanc...
2025-08-01 00:23:03
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D400 Extra Heavy Duty Hinged Round Access Cover With Round And Square Frame DESIGN FEATURES : Load Class Maximum Load Application Scenarios A15 ≤1.5 ...
2025-08-01 00:23:03
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... is spheroidized by a spheroidizing agent, so that the internal structure of the cast iron is more tightly combined, the density is significantly ...
2025-08-01 00:23:03
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...: Ductile iron (common grades such as QT500-7). After spheroidization, the graphite inside the cast iron is spherical. The strength and toughness ...
2025-08-01 00:23:03
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Convenient Installation Ductile Iron Water Box For Pipeline Facilities Product Features: (1) High strength and durability Ductile iron material: The ...
2025-08-01 00:23:03
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Ductile Iron Surface Box For Water Meter Class D400 E600 F900 Product Description Ductile iron water meter box is a professional box used to protect ...
2025-08-01 00:23:03
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Ductile Iron Water Box For Pedestrian Areas And Greenbelts D400 Product Description: Ductile iron water meter box is a durable product specially ...
2025-08-01 00:23:03
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Ductile Iron Square Walkway Grating For Outdoor Tree Slab Pit Grating Applications Product Features: High Strength and Durability: 1.Ductile iron is ...
2025-08-01 00:23:03
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...specifically used for tree protection and landscape decoration. They are widely used in public places such as urban roads, parks, squares, and ...
2025-08-01 00:23:03
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Sand Casting Foundry Support Seat Lower Cover High Precision Product structure and features: Main material: Metal castings (such as cast iron, cast ...
2025-08-01 00:23:03
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