China Ductile Iron Casting Foundry
China Ductile Iron Casting– Global Standards & Grades
| Region | Grade | Tensile Strength (MPa) |
Min. Elongation (%) |
Matrix |
|---|---|---|---|---|
| ISO | 400-18 | 400 | 18 | Ferritic |
| GB / China | QT400-18 | 400 | 18 | Ferritic |
| EN / EU | EN-GJS-400-15 | 400 | 15 | Ferritic |
| ASTM / US | 60-40-18 | 414 | 18 | Ferritic |
| ISO | 450-10 | 450 | 10 | Ferrite-Pearlite |
| GB / China | QT450-10 | 450 | 10 | Ferrite-Pearlite |
| ISO | 500-7 | 500 | 7 | Ferrite-Pearlite |
| GB / China | QT500-7 | 500 | 7 | Ferrite-Pearlite |
| EN / EU | EN-GJS-500-7 | 500 | 7 | Ferrite-Pearlite |
| ISO | 600-3 | 600 | 3 | Pearlitic |
| GB / China | QT600-3 | 600 | 3 | Pearlitic |
| ISO | 700-2 | 700 | 2 | Pearlitic |
| GB / China | QT700-2 | 700 | 2 | Pearlitic |
Main Standards China Ductile Iron Casting
- ISO 1083:2018 – International standard for spheroidal graphite cast irons
- ASTM A536 – US standard for Ductile Iron Castings
- EN 1563 – European foundry grades
- GB/T 1348-2019 – Chinese national standard (aligned with ISO)
Material Characteristics
- Spheroidal graphite shape provides high strength, toughness and ductility
- Better castability, vibration damping and wear resistance than steel
- Lower cost and easier production compared to carbon steel castings
- Weldable and machinable with proper processing
China Ductile Iron Casting | Direct Cast Parts Manufacturer
As a professional China ductile iron casting manufacturer and factory, we specialize in high-quality ductile iron casting services for global customers. With advanced production lines, strict quality control systems, and rich experience, we provide reliable casting solutions for machinery, auto parts, valves, pumps, and construction equipment.
Professional Ductile Iron Casting Services in China
Our China ductile iron casting factory supports custom production, OEM, ODM, and bulk orders. We offer sand casting, resin coated sand casting, heat treatment, and CNC machining to meet different product requirements. All cast parts are produced according to international material standards with high tensile strength and good toughness.
Applications of China Ductile Iron Casting Parts
QT400-18 / GJS-400-15 / 60-40-18
Valves, pump housings, hubs, gearboxes, low-temperature components, pressure parts
QT450-10 / QT500-7
Automotive components, brackets, housings, general machinery parts
QT600-3 / QT700-2
Crankshafts, camshafts, gears, wear-resistant parts, heavy machinery
QT800-2 / ADI grades
High-stress transmission parts, lightweight structural components
- Ductile iron casting for auto parts
- Ductile iron casting for valve bodies and pump parts
- Ductile iron casting for agricultural machinery
- Ductile iron casting for construction equipment
- Ductile iron casting for hydraulic components
Production Process & Quality Control
Our China ductile iron casting production process includes pattern making, molding, melting, pouring, shakeout, cleaning, heat treatment, machining, and final inspection. Each process is strictly controlled to ensure stable quality, precise tolerance, and long service life of cast products.
Why Choose Our China Ductile Iron Casting Factory
- High-quality ductile iron casting with competitive price
- Fast lead time and stable delivery
- Custom design and OEM/ODM services
- Full inspection and testing for each order
- Long-term export experience to global markets
If you are looking for a reliable China ductile iron casting supplier or need custom ductile iron cast parts, welcome to contact us for quotations, samples, and detailed product solutions. We are committed to being your long-term casting partner.
