- Overview
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High Tensile Strength: Minimum 400 MPa tensile strength ensures reliable performance under heavy loads
Excellent Elongation: 15% minimum elongation provides superior impact resistance and toughness
Good Fatigue Resistance: Withstands cyclic loading conditions without failure
Excellent Machinability: Superior to steel and other iron grades, reducing manufacturing costs
Good Wear Resistance: Maintains dimensional stability under friction and abrasive conditions
Precision Sand Casting: Resin sand molding ensures dimensional accuracy within CT8-9 tolerance grades
Spectrometer Control: Real-time chemical composition monitoring guarantees material consistency
Controlled Nodularization: Advanced magnesium treatment ensures 80-90% nodularity for optimal properties
Heat Treatment Capabilities: Annealing, normalizing, and stress relieving available per requirements
Casting Weight Range: 1 kg to 500 kg per single component
Dimensional Accuracy: CT8-9 per ISO 8062 standards
Surface Quality: 6.3-12.5 μm Ra as-cast finish
Annual Production Capacity: 3,000+ tons of high-quality ductile iron castings
Quality Certification: ISO 9001:2015 certified manufacturing processes
Design Optimization: Engineering support for casting-friendly designs
Pattern Making: Wood, plastic, and metal patterns for various production volumes
Machining Services: CNC and conventional machining capabilities
Surface Treatments: Shot blasting, painting, and anti-corrosion coatings
Automotive Components: Brake calipers, suspension parts, and transmission cases
Industrial Machinery: Pump housings, valve bodies, and gearbox components
Construction Equipment: Hydraulic components, structural parts, and mounting brackets
Agricultural Machinery: Implement parts, tractor components, and harvester elements
Mechanical Testing: Tensile and impact testing per EN 1563 standards
Microstructure Analysis: Graphite nodularity and matrix structure evaluation
Non-Destructive Testing: Ultrasonic and magnetic particle inspection available
Dimensional Inspection: CMM verification for critical dimensions
As a specialized manufacturer in the casting industry, we provide Customized Ductile Castings using high-grade Iron GGG40 (also known as EN-GJS-400-15), delivering components with exceptional mechanical properties and dimensional accuracy. Our precise manufacturing process ensures that every casting meets stringent international standards, offering superior performance for automotive, machinery, and construction applications worldwide.
Premium Material Properties of GGG40 Ductile Iron
GGG40 ductile iron is engineered to deliver an optimal balance of strength and ductility, making it ideal for demanding applications:
Advanced Manufacturing Process and Quality Control
Our foundry employs state-of-the-art production technology:
Technical Specifications and Manufacturing Capabilities
Comprehensive Customization Services
Our manufacturing flexibility allows for complete customization:
Industry Applications and Performance Benefits
Our GGG40 ductile iron castings serve critical functions in:
Quality Assurance and Testing
Every component undergoes rigorous quality verification:
Partner with our manufacturing expertise for GGG40 ductile iron castings that combine superior material properties with precision engineering. Our customized approach ensures components that deliver optimal performance, reliability, and value for your most demanding applications, backed by comprehensive technical support and quality assurance.



Material |
steel, stainless steel, aluminum,iron, carbon steel,copper, brass, alloy, etc. |
Thickness |
0.1mm to 12mm, as your request |
Sizes |
1) According to customers' drawings 2) According to customers' samples |
Surface treatment |
Anodizing, galvanized, zinc, nickle, chrome plating, powder coating, painting, etc. |
Drawing format |
DWG, DXF, STEP, STP, STL, AI,PDF, JPG, Draft. |
Packing |
Polybag+Carton box+Wooden case/Pallet, according to customer's request |
Shipment |
1) By courier, like DHL, TNT, Fedex, etc, usually 5-7 days to arrive |
2) By air to air port, usually, 3-4 days to arrive |
|
3) By Sea port, usually 15-30 days to arrive |
|
Delivery Time |
depend on the quantities, usually around 20 days. |
Payment Term |
T/T, Paypal, Trade Assurance |
Certification |
ISO |
Logo service |
provided |
Application |
widely used on construction, industry, automobile industry. |







