Ductile Iron Spigot and Socket Pipe Connection System for Buried Town Distribution Network

Overview

Model NO.	DN15-450	Sand Core Type	Sodium Silicate Sand Core
Application	Furniture Parts	Machining	Boring Machine
Material	Copper and Copper Alloy	Surface Treatment	Electroplating
Surface Roughness	Ra0.05	Standard	GB
Certification	CE, RoHS, ISO 9001:2000, ISO 9001:2008	Product Name	Agricultural Machinery Parts
Keywords	Ductile Iron Castings	Color	Customized
Shape	Customized	OEM & ODM Custom	Accept
Sample	Accept	Logo Custom	Accept
Transport Package	Standard Packaging or Customized	Production Capacity	50000pieces/Year

Product Description

DUCTILE IRON CASTINGS

Ductile iron castings (also called nodular cast iron or spheroidal graphite iron) are engineered iron components designed to deliver high strength, toughness, and excellent fatigue resistance for a wide range of industrial and mechanical applications.

By controlling the microstructure so that the graphite forms in spheroidal (nodular) shapes, ductile iron offers mechanical properties close to steel while retaining the castability, vibration damping, and cost advantages of cast iron.

These castings are widely used in valves, pipe fittings, pump bodies, automotive parts, agricultural machinery, construction equipment, and municipal infrastructure, where long service life and reliability under shock, pressure, and cyclic loads are critical.

Specification

Product Name	Agricultural Machinery Parts
Keywords	Ductile Iron Castings
Material	Ductile Iron & Grey Iron
Application	Industry Machinery
Surface Finish	Sand Blasting, Mill Finishing, Electrophoresis, Galvanizing, Eco-Friendly Primer, Antirust Oil
Process	Sand Casting
OEM & ODM	Accept

Functional Advantages

HIGH STRENGTH COMPARABLE TO STEEL

Developed to provide tensile and yield strength levels close to low-carbon steel, ductile iron castings can handle high loads, internal pressure, and impact forces.

EXCELLENT DUCTILITY AND TOUGHNESS

Thanks to the spheroidal graphite structure, these castings exhibit good elongation and fracture toughness, reducing the risk of brittle failure.

SUPERIOR FATIGUE AND IMPACT RESISTANCE

The nodular graphite morphology significantly enhances fatigue strength, allowing components to withstand repeated stress cycles and dynamic loading.

GOOD WEAR RESISTANCE AND DURABILITY

Ductile iron offers inherent wear resistance and can be heat-treated for improved hardness, delivering long life in pump and gear housings.

Core Applications

Pipes, Fittings, and Fluid Handling Systems: Used for pipes, flanged fittings, valves, and hydrants in water supply and industrial fluid systems.
Valves, Pumps, and Hydraulic Components: Ideal for valve bodies, pump casings, and hydraulic manifolds for water and oil handling.
Automotive and Commercial Vehicle Parts: Applied in suspensions, steering knuckles, differential housings, and brake components.
Agricultural and Construction Machinery: Used in tractors, harvesters, and excavators for rugged structural performance.
Industrial Machinery and Power Transmission: Suitable for gearbox housings, bearing supports, sprockets, and machine bases.