Leesh Holdings GJS-500-7 Casting
Sand Casting Process for Ductile Iron Components
Professional GJS-500-7 Casting services with advanced sand casting technology. Leesh Holdings delivers high-quality ductile iron castings with precise dimensions, excellent mechanical properties, and reliable performance for industrial applications.
About GJS-500-7 Casting
GJS-500-7 Casting is a grade of ductile iron casting material conforming to the European standard EN-JS 1074 and ASTM A536 requirements. This material offers an excellent balance of strength, ductility, and machinability, making it ideal for a wide range of industrial applications.
Leesh Holdings specializes in producing high-quality GJS-500-7 Casting components through our advanced sand casting process. With our dedicated foundry facilities, experienced engineering team, and strict quality management, we deliver GJS-500-7 Casting products that meet the most demanding specifications.
Our GJS-500-7 Casting capabilities cover both small precision parts and large structural components, serving industries including automotive, machinery, pump manufacturing, and industrial equipment.
Sand Casting Process for GJS-500-7 Casting
Our sand casting process for GJS-500-7 Casting combines traditional craftsmanship with modern manufacturing technology to produce superior ductile iron components. The process flow includes the following key stages:
Pattern & Mold Making
Precision wooden or metal patterns are created based on your drawings. High-quality sand molds are prepared using resin sand or green sand casting techniques for GJS-500-7 Casting.
Melting & Pouring
Ductile iron is melted in our induction furnaces. Nodularizing agents are added to ensure proper graphite spheroidization in GJS-500-7 Casting. The molten metal is carefully poured into the prepared molds.
Cooling & Shakeout
The GJS-500-7 Casting components are allowed to cool and solidify in the molds. After cooling, the castings are shaken out and the sand is recycled for subsequent production cycles.
Fettling & Heat Treatment
Risers and gates are removed, and the GJS-500-7 Casting surfaces are cleaned. Heat treatment processes like annealing or normalizing may be applied to optimize mechanical properties.
Machining & Inspection
CNC machining services are available for GJS-500-7 Casting components. Each part undergoes rigorous inspection including dimensional checking, material analysis, and mechanical property testing.
Final QC & Shipment
Every batch of GJS-500-7 Casting passes our comprehensive quality check. Material certificates and inspection reports are provided. Secure packaging and global shipping ensure safe delivery.
Foundry Inside
Take a visual tour of Leesh Holdings' advanced foundry facilities where our GJS-500-7 Casting components are manufactured.

Melting Furnace Workshop
Advanced induction furnaces for precise temperature control in GJS-500-7 Casting production

Automatic Sand Molding Line
High-efficiency automatic molding line ensuring consistent quality for GJS-500-7 Casting

Molten Metal Pouring
Skilled workers pour molten ductile iron into molds for GJS-500-7 Casting components

Quality Control Lab
Advanced testing equipment ensures every GJS-500-7 Casting meets specifications
GJS-500-7 Casting Material Specifications
| Property | Standard Value | Test Method |
|---|---|---|
| Tensile Strength | ≥ 500 MPa | EN ISO 6892 |
| Yield Strength | ≥ 320 MPa | EN ISO 6892 |
| Elongation | ≥ 7% | EN ISO 6892 |
| Brinell Hardness | 180 – 230 HB | EN ISO 6507 |
| Charpy Impact (20°C) | ≥ 15 J | EN ISO 148 |
| Density | 7.2 g/cm³ | — |
| Graphite Form | Spherical (V~VI) | EN ISO 945 |
Standard
EN-JS 1074 / ASTM A536
Weight Range
0.5 kg – 200 kg
Tolerance
CT8 – CT11
Machining
Available on request
Applications of GJS-500-7 Casting
The excellent mechanical properties of GJS-500-7 Casting make it suitable for a wide range of demanding industrial applications where high strength and good ductility are required.
Automotive Parts
Brake calipers, steering knuckles, transmission components
Industrial Machinery
Machine tool beds, frames, gears, and housings
Pump & Valve
Pump bodies, valve bodies, pipe fittings
Mining Equipment
Crusher parts, conveyor components, wear-resistant parts
Agricultural Machinery
Tractor components, harvester parts, tillage equipment
Power Equipment
Generator housings, motor frames, electrical components
Why Choose Leesh for GJS-500-7 Casting
Advanced Foundry
Modern production facilities with automatic molding lines ensure stable and consistent GJS-500-7 Casting quality.
Expert Engineering
Experienced metallurgists and engineers specialize in ductile iron casting, optimizing every GJS-500-7 Casting project.
Fast Delivery
Efficient production workflow with short lead times for GJS-500-7 Casting prototypes and mass production.
Global Service
Worldwide shipping with complete documentation. FOB, CIF, and DDP options for GJS-500-7 Casting orders.
Custom Solutions
OEM and ODM services with DFM support for GJS-500-7 Casting components. CNC machining and surface treatment available.
Competitive Pricing
Direct from foundry pricing with no middlemen. Get the best value for your GJS-500-7 Casting investment.
Ready to Source GJS-500-7 Casting?
Contact Leesh Holdings for professional GJS-500-7 Casting services and sand casting solutions. Send your drawings or specifications for a competitive quote.
Leesh Holdings
Professional GJS-500-7 Casting & Sand Casting Manufacturer
Email: info@leesh.cn
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