Ductile Cast Iron Tree Grates (Tree Surround Grates)

I. 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)

I. 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)

I. 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

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 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

Technical 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

Technical 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

Ductile 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...