الحديد المطاوع

Ductile iron (DPI) is a cast iron material made by adding a small amount of nodulizer (such as magnesium) to traditional cast iron to transform the graphite structure into a spherical shape. Ductile iron exhibits excellent mechanical and processability. Compared to gray cast iron, it offers higher tensile strength, toughness, wear resistance, and fatigue resistance. Its excellent casting properties enable it to excel in the manufacture of complex castings. Through precise alloying and processing, ductile iron delivers stable performance in diverse operating environments, meeting the demands of various structural and load-bearing components.
In the precision casting industry, ductile iron is widely used in industries such as automotive, construction machinery, and pipeline equipment due to its excellent casting process adaptability and cost-effectiveness. It enables the production of complex, high-precision components through precision casting technology, and exhibits excellent mechanical properties, enabling stable operation under high loads and harsh operating conditions. Whether it’s a complex precision component or a large-scale structural part, our ductile iron castings can be tailored to your specific needs, providing reliable solutions for a variety of high-end applications.
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Common Material Grades of Ductile Iron


Alloy NameMaterial PropertiesApplication IndustrySample Widget
Ductile Iron (SG Iron)Excellent strength, toughness, wear resistance, fatigue resistance, good castability, good impact toughness and crack resistanceAutomobile, construction machinery, precision castingAutomobile engine cylinder block, gear box housing, brake disc, hydraulic cylinder block
QT400-18Good tensile strength (400 MPa), impact resistance, and high fatigue strength, suitable for components subjected to greater pressure and impactConstruction machinery, agricultural machinery, precision castingExcavator parts, agricultural machinery parts, marine engine housings
QT450-10High tensile strength (450 MPa) and good ductility, suitable for structural parts with medium loadsAutomobile, machinery manufacturing, precision castingAutomobile control arms, automobile steering systems, transmission components
QT500-7High tensile strength and toughness, strong crack resistance, widely used in parts subjected to high stress and impactAutomobile, construction machinery, precision casting, machinery manufacturingAutomobile wheels, flywheels, engine brackets, oil pump housings
QT600-3With excellent wear resistance and fatigue resistance, good corrosion resistance, suitable for high strength and wear-resistant working conditionsEngineering machinery, chemical industry, mining machinery, precision castingLarge mechanical parts, mining machinery housings, wear-resistant pump bodies, bearing housings
QT800-5High strength and toughness, excellent corrosion resistance, suitable for the manufacture of high-load and high-impact componentsHigh-end automobile manufacturing, aerospace, precision castingAircraft engine casings, large mechanical components, automobile wheels, machine tool beds
QT900-3Ultra-high strength, suitable for extreme working environments, with good crack resistance and wear resistanceHigh-intensity application areas, such as wind power, nuclear power, and automotive industryWind turbine tower bases, nuclear power pressure vessels, oversized wheels and rotating parts
EN-GJS-400-18Excellent casting properties, good strength, toughness and fatigue resistance, suitable for casting of conventional industrial partsAutomobile, machinery manufacturing, precision castingWind turbine tower bases, nuclear power pressure vessels, oversized wheels and rotating parts
EN-GJS-400-18High tensile strength and fatigue resistance, suitable for parts requiring greater strength and toughnessAutomobiles, machinery and equipment, precision castingAutomobile front and rear axles, suspension systems, and automated mechanical transmission components
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Nickel and Its Alloy Casting Process


تصنيع الفولاذ المقاوم للصدأ
الاستثمار في الصب
سمات:
Sand casting offers high flexibility and is suitable for producing medium- to large-sized ductile iron parts. This process is suitable for larger production runs, offering excellent cost-effectiveness and reliability. It is particularly well-suited for castings with complex shapes that do not require extreme precision. The combination of ductile iron’s excellent castability and sand casting results in castings with excellent mechanical properties and low production costs.
التطبيقات:
Suitable for medium-to-high-strength components such as automotive engine mounts, gearbox housings, hydraulic pump bodies, and industrial equipment casings.
If your needs are to mass-produce ductile iron parts with complex shapes or large sizes, sand casting will be a very suitable choice, which can ensure good strength, toughness and relatively economical production costs.
الطباعة ثلاثية الأبعاد
سمات:
3D printing can produce complex ductile iron parts, making it particularly suitable for low-volume production and prototyping. While 3D printing of ductile iron is more complex and expensive than other alloys, it still offers a promising solution for prototyping, complex structural geometries, and customized needs.
Suitable for:
Small-batch custom parts, rapid prototyping, and complex industrial parts.
If your needs are small-batch production or rapid prototyping, 3D printing can quickly produce complex-shaped ductile iron parts, which is particularly suitable for customized needs in engineering machinery, automotive industry and other fields.

ابدأ مشروعك مع لييروو


1. أرسل استفسارك
أرسل رسومات التصميم بمساعدة الحاسوب والملفات ثلاثية الأبعاد عبر البريد الإلكتروني، مع تحديد درجة المادة أو كمية الطلب أو تشطيب السطح أو أي تفاصيل أخرى ذات صلة.
2. حساب التكلفة
بمجرد استلامنا للتصميم الخاص بك، سيقوم فريقنا الهندسي بتقييم الرسومات بعناية وحساب السعر بناءً على تكاليف الإنتاج الفعلية في أقرب وقت ممكن.
3. بدء الإنتاج
عند الموافقة على التسعير، سيقوم فريق الإنتاج لدينا بإعداد المواد وجدولة الإنتاج على الفور، وتضمن Leierwo دائمًا التسليم في الوقت المحدد.
4. ترتيب التسليم
بعد اكتمال الإنتاج، سنقوم بتوفير تفاصيل التغليف وترتيب الشحن عن طريق البحر أو الجو. نحن ندعم الشحن العالمي لكل طلبية.

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