Gray Iron Castings
Cost-effective & High Damping Iron Components
- ✅ Excellent damping performance – reduces vibration & noise
- ✅ Cost-effective production – ideal for high-volume runs
- ✅ Good machinability – complex geometries with tight tolerances
Product Overview
What Are Gray Iron Castings?
Gray iron castings are produced from gray cast iron, characterized by graphite flakes in a pearlite matrix. This microstructure provides excellent vibration damping, thermal conductivity, and wear resistance. Matson Iron Casting delivers high-precision gray iron components for automotive, machinery, pipeline, and energy sectors. With over 30 years of foundry expertise, we ensure consistent metallurgy, dimensional accuracy, and cost-effective solutions for both prototyping and mass production.
Key Advantages
- High vibration damping – ideal for machine bases and structural frames
- Easy to machine – reduces post-processing time and tool wear
- Suitable for complex shapes – sand casting allows intricate designs
Key Features
Excellent Damping Capacity
Absorbs mechanical vibrations, reduces noise and prolongs equipment life.
Good Machinability
Flake graphite acts as chip breaker, enabling high-speed machining and fine surface finish.
Cost Efficiency
Lower melting point and excellent castability reduce production costs.
Stable Performance
High thermal conductivity and resistance to thermal shock for demanding environments.
Specifications
| Parameter | Details / Range |
|---|---|
| Material Grades | HT200, HT250, HT300 (ASTM A48 Class 30, 35, 40 also available) |
| Casting Process | Green sand casting, resin sand casting, shell molding |
| Tolerance | CT8-CT10 (ISO 8062) or tighter upon request |
| Weight Range | 0.5 kg – 3,000 kg (custom) |
| Max Dimensions | Up to 2000 mm single piece |
Applications
Machine Bases
CNC machine frames, press bases, and structural components requiring high rigidity and damping.
Pump Housings
Centrifugal pump casings, volutes, and hydraulic components with excellent pressure integrity.
Valve Bodies
Gate valves, globe valves, check valves for water, oil, and gas pipelines.
Manufacturing Capability
Sand Casting Capability
Automated molding lines, resin sand, green sand – up to 3000 tons/year capacity.
CNC Machining Capability
5-axis, 4-axis, turning, milling, drilling – tolerance up to ±0.01mm.
Surface Treatment Options
Powder coating, epoxy painting, anti-rust oil, zinc plating, and more.
Custom Gray Iron Parts
OEM & Custom Service
From drawing to finished casting, we provide complete custom solutions. Our engineers optimize design for castability, cost, and performance. Short lead times, no MOQ restrictions for prototyping.
Supported File Formats
STEP, IGES, CAD (DWG, DXF), PDF, STL – upload your design and get a quote within 24h.
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