In industrial applications, comprehending the materials used for pipe fittings becomes paramount. In the world of pipe fittings manufacturing, malleable iron and ductile iron are the two most used types of iron. Every sort of material has some properties that make it the best fit for the specific application in the field. This article will address the differences between these two materials, the applications of ductile iron and malleable iron.
Understanding Malleable Iron and Ductile Iron
Malleable Iron
Malleable iron, a type of cast iron possesses certain characteristics that can be markedly improved by a heat treatment process. This type of iron becomes very elastic after the process that makes shaping and forming of the material. Malleable iron has a reputation of being durable, tough, and wear-resistant. It is commonly used in situations where the task of high force application is involved. This is for the malleable iron fittings’ fabrication, for example.
Malleable iron is created by being cast in shapes and then taken through a hardening process by being heated. Malleable iron is used in a range of pipe fittings, including black malleable iron pipe fittings, elbows, tees, and unions. Thus it is extremely suitable for plumbing and HVAC installations.
Ductile Iron
We can conceive of ductile iron as spheroidal graphite iron which, also a kind of cast iron, contains tiny alloy additives similar to magnesium. These additives creates a material capable of a wider range of deformation and a high degree of strength and resilience. The feature of ductile iron that stands out is the good tensile strength, the excellent fatigue strength, and the improved ductility.
Key Differences Between Malleable Iron and Ductile Iron
Microstructure:
Malleable iron has a carbon structure which gives it characteristic malleability and toughness.
Carbon in ductile iron is in the form of nodular graphite and this is what gives it such superior strength and malleability.
Strength and Durability:
While the strength and wear resistance of the malleable iron are good, the performance under extreme conditions may not be as good as that of ductile iron.
The ductile iron parts have a higher resistance to breakage and a greater capacity to bear the load. It makes them the proper choice for high-pressure applications.
Applications of Malleable Iron and Ductile Iron
Malleable Iron Applications
There are various applications where malleable-iron pipe fittings are widely used, including:
Plumbing: The malleable iron fittings are crucial in the residential and commercial piping sector. They can undoubtedly cope with the high pressure of the water supply lines and are also corrosion-resistant.
HVAC Systems: In heating, ventilation, and air conditioning systems, the malleable iron fittings are such that they ensure dependable connections that can even withstand temperature fluctuations and pressure waves.
General Manufacturing: Malleable iron is used in manufacturing various components that require strength and durability without compromising flexibility.
Ductile Iron Applications
Ductile iron has been used in applications that need a lot of strength, for example in:
Water and Sewage Systems: Ductile iron pipes and fittings are the most commonly used in municipal water supply systems in most countries and the sewage systems as well, they are able to withstand high pressures and to oppose corrosion.
Heavy Machinery: Ductile iron components are utilized in the production of heavy machinery which ensures one or more of the following strength, flexibility, or die-hardness for demanding environments.
Automotive Parts: With the capability of having high tensile strength, an extensive range of car parts like the crankshafts and gears can be made from ductile iron.
Jianzhi’s Malleable Iron Pipe Fittings
Jianzhi, a professional malleable iron pipe fittings maker, has a wide range of products designed to cater for different industries. Our fittings include elbows, tees, crosses, and unions, all crafted from high-quality malleable iron.
Key Features of Jianzhi Malleable Iron Fittings:
Longevity: Our malleable iron fittings are designed with the ability to survive the harsh condition of the industry, such as high pressure and high temperature.
Versatility: Sold in a variety of sizes and designs, our fittings can accept various types of piping applications.
Corrosion Resistance: Jianzhi malleable iron fittings are made to be corrosion resistant, which means they are good choices for water, oil, and gas conveyance.
Conclusion
Summing up malleable iron vs. ductile iron comparison, it is essential to be well-versed in the characteristics of the raw materials in your selection of the proper one for your piping needs. Jianzhi malleable iron pipe fittings supply the reliable solutions for the fields of plumbing and HVAC, while ductile iron is perfect for use in the heavy industry. Feel free to contact us for inquiries!