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03
2023
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02
Introduction to ductile iron?
From the name of ductile iron, we can see what this product is used for. After continuous improvement, this product has more and more functions. In order to let more people know it, the following editor will introduce some basic information about ductile iron. If you want to know, let's take a look together, and hope to bring you help.
Ductile iron We can tell from its name what this product is used for. After continuous improvement, this product has more and more functions. In order to let more people know about it, the following editor will introduce it to you. Ductile iron What are some of its basic information? If you want to know, let’s take a look together, and I hope it can help you.
Ductile iron is 20 century 50 A high-strength cast iron material developed in the 1960s. Its comprehensive performance is close to that of steel. It is based on its excellent performance that it is successfully used to cast some complex stresses, strengths, toughness and wear resistance. Ductile iron is Performance requirements very High parts. It It has rapidly developed into a widely used cast iron material second only to gray cast iron. Ductile iron is obtained through spheroidization and inoculation treatment, which effectively improves the mechanical properties of cast iron, especially the plasticity and toughness, thereby obtaining higher strength than carbon steel. Ductile iron of Cast iron is a carbon-iron alloy with a carbon content greater than 2.11% . It is made of industrial pig iron, scrap steel and other steel and alloy materials through high-temperature smelting and casting. In addition to Fe Other cast irons also contain carbon precipitated in the form of graphite. For example, cast iron with precipitated graphite in the form of strips is called gray cast iron or gray iron, cast iron with precipitated graphite in the form of vermicular is called vermicular cast iron, cast iron with precipitated graphite in the form of flocculent is called malleable cast iron or code iron, and cast iron in the form of spherical graphite is called ductile iron. Ductile iron The chemical composition of ductile iron other than iron is usually: carbon content
3.0-4.0% , silicon content 1.8-3.2% , the total amount of manganese, phosphorus and sulfur does not exceed 3.0% , and contains appropriate amounts of rare earth, magnesium and other spheroidizing elements. In terms of acid-resistant ductile iron, the rare earth high-silicon ductile iron produced in my country is finer, more uniform and denser than ordinary high-silicon cast iron. As a result, corrosion resistance is improved ~ 10% , and its mechanical strength has also been significantly improved. Rare earths can spheroidize graphite. Since 90% Since cerium was first used to obtain ductile iron, many people have studied the spheroidization behavior of various rare earth elements and found that cerium is the most effective spheroidizing element, and other elements also have different degrees of spheroidization ability. H.Morrogh My country has carried out a lot of research work on rare earth element spheroidization and found that the commonly used ductile iron composition (
C3.6~3.8wt% Si2.0~2.5wt ， ) Rare earth elements are difficult to obtain ) Complete and uniform spherical graphite; moreover, when the rare earth content is too high, various deformed graphite will appear, and the whitening tendency will also increase. But if it is a high-carbon hypereutectic composition ( % C>4.0wt% ), when the rare earth residual amount is 0.12-0.15wt% , good spherical graphite can be obtained. Then we also suggest that you go to regular and powerful manufacturers when purchasing. In this way, the price is also guaranteed. The company strongly guarantees the usability of ductile iron
So it is completely worthy of everyone's trust. ,所以说完全是值得大家信赖的。
Ductile iron
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Shandong Gongchen Machinery Technology Co., Ltd.
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Phone:0536-7691368 7691229
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Address: Mucun Town, Fangzi District, Weifang City, Shandong Province
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