Metal Casting Factory's Investment Casting Service Grey/Ductile Iron Cast Parts

Precision Investment Casting for Superior Iron Components
Our metal casting factory specializes in investment casting services for both grey iron and ductile iron components, delivering precision parts with exceptional surface quality and dimensional accuracy. Utilizing the lost-wax process, we manufacture complex iron castings that meet the most demanding requirements across various industrial sectors, providing reliable solutions where performance and precision are paramount.

Advanced Material Selection and Properties
We offer comprehensive iron casting capabilities with focus on material excellence:

Grey Iron Grades:

• Class 25 (G2500): Tensile strength 250 MPa, excellent vibration damping

• Class 30 (G3000): Tensile strength 300 MPa, good wear resistance

• Class 35 (G3500): Tensile strength 350 MPa, superior machinability

• Class 40 (G4000): Tensile strength 400 MPa, enhanced strength properties

Ductile Iron Grades:

• 400-18 (GGG40): Good impact resistance and elongation

• 500-7 (GGG50): Balanced strength and ductility

• 600-3 (GGG60): High strength with good wear resistance

• 700-2 (GGG70): Premium grade for high-stress applications

All materials feature controlled microstructure and undergo rigorous metallurgical testing to ensure consistent performance.

Enhanced Performance Characteristics
Our investment cast iron components deliver outstanding operational benefits:

• Superior surface finish (Ra 3.2-6.3 μm) reducing machining requirements

• Excellent dimensional accuracy with tolerances to ±0.005 inches per inch

• Good pressure tightness for fluid handling applications

• Enhanced mechanical properties through precise microstructure control

• Superior wear resistance in abrasive environments

• Excellent machinability for secondary processing operations

Precision Investment Casting Process
Our sophisticated manufacturing ensures quality:

Pattern Development

• Wax injection molding with precision temperature control

• 3D printed patterns for rapid prototyping

• Assembly of complex pattern clusters

• Quality verification of pattern dimensions

Shell Building

• Multi-layer ceramic shell application

• Controlled drying environment maintenance

• High-temperature firing (1000°C) for optimal shell strength

• Shell quality inspection and testing

Casting & Finishing

• Controlled atmosphere melting and pouring

• Precision temperature management (±15°C)

• Automated shell removal and cutting

• Heat treatment for enhanced properties

Quality Assurance Protocol

• Comprehensive dimensional inspection using CMM

• Ultrasonic testing for internal integrity

• Mechanical property verification

• Microstructure examination

• Surface quality assessment

Technical Specifications

• Part size range: 0.1 kg to 50 kg

• Wall thickness: 3 mm to 75 mm

• Dimensional tolerance: CT4-CT6 per ISO 8062

• Surface finish: Ra 3.2-12.5 μm as-cast

• Annual capacity: 1,200 tons of iron castings

Industry Applications

• Automotive components and transmission parts

• Hydraulic valve bodies and pump components

• Machinery parts and equipment components

• Hardware and tooling applications

• Architectural and construction elements

Competitive Advantages

• 30+ years iron casting expertise

• Complete in-house pattern making

• Engineering support for design optimization

• Flexible production volumes

• Global quality certifications

Our investment casting services for grey and ductile iron combine traditional foundry expertise with modern precision manufacturing, delivering components that excel in performance, durability, and reliability. The superior surface finish and dimensional accuracy achieved through our investment casting process significantly reduce machining costs while ensuring consistent quality across production batches.