-
Ductile Cast Iron Tree Grates (Tree Surround Grates)
2025-05-24I. Technical Features 1. Material & Manufacturing Material Properties: Ductile iron (Mg/rare earth nodularization) ensures spherical graphite distribution, delivering high tensile strength (≥420 MPa) and elongation (≥10%), far surpassing gray iron. Surface Treatment: Anti-rust galvanizing or epoxy coating enhances corrosion resistance for humid, saline, or harsh environments. 2. Structural Design ...
-
Ductile Cast Iron Subsidence Grate (Trench Cover Plate)
2025-05-24I. Technical Features 1. Material & Manufacturing Ductile Iron Base Material: Magnesium/rare earth nodularization ensures spherical graphite distribution, achieving tensile strength ≥420 MPa, elongation ≥10%, and superior wear resistance (cast iron) combined with steel-like toughness. Dynamic load capacity exceeds gray iron (HT250). Anti-Corrosion Processes: Zinc Spraying + Asphalt Coating: Zinc layer ≥80 ...
-
Ductile Cast Iron Single Grate (Trench Cover)
2025-05-24I. Technical Features 1. Material & Process Ductile Iron Substrate: Spheroidal graphite distribution via magnesium/rare-earth treatment, tensile strength ≥420 MPa, elongation ≥10%, offering superior strength, toughness, and dynamic load capacity vs. gray cast iron (HT250). Anti-Corrosion Process: Zinc Spray + Asphalt Coating: Zinc layer ≥80 μm + asphalt overlay, salt spray resistance ≥1,000 hours (ASTM B117)...
-
Ductile Cast Iron Overflow Manhole Cover
2025-05-24Technical Features 1. Material & Process Ductile Iron Substrate: Spheroidal graphite distribution via magnesium/rare-earth treatment, tensile strength ≥420 MPa, elongation ≥10%, offering superior strength and dynamic load capacity vs. gray cast iron. Overflow Hole Design: Directional holes (rectangular/honeycomb patterns) with drainage capacity ≥50 L/s·m², meeting extreme rainfall standards (e.g., 100-year...
-
Ductile Cast Iron Openable Rainwater Grate
2025-05-23Technical Features 1. Material & Process Ductile Iron Substrate: Spheroidal graphite distribution via magnesium/rare-earth treatment, tensile strength ≥420 MPa, elongation ≥10%, outperforming gray cast iron in strength and impact resistance. Surface Anti-Corrosion: Zinc spraying (≥80 μm) or epoxy coating, salt spray resistance ≥1,000 hours (ASTM B117), suitable for pH 5–10 soil and rainwater environments. Op...
-
Ductile Cast Iron Square Water Meter Box
2025-05-23Technical Features Material & Process Ductile Iron Substrate: Spheroidal graphite distribution via magnesium/rare-earth treatment, tensile strength ≥420 MPa, elongation ≥10%, outperforming gray cast iron (HT250). Anti-Corrosion Process: Zinc spray (≥80 μm) + asphalt/epoxy coating, salt spray resistance ≥1,000 hours (ASTM B117), suitable for pH 5–10 soil and humid environments. Custom Design: Square structure a...
-
Ductile Cast Iron Standard Square Manhole Covers
2025-05-21Ductile Iron Standard Square Manhole Covers - Strength, Durability, and Eco-Friendly Design ManufacturingProcess&StructuralDesign Material&Process MaterialProperties:Ductileironundergoesmagnesium/rare-earthnodularization,creatingsphericalgraphitedistributionforexceptionalstrength(tensilestrength≥420MPa)andtoughness(elongation≥10%),farexceedinggraycastiron. CastingProcess:Producedviaresinsandcastingorl...