What is nodular cast iron

What is nodular cast iron

07-02-2023

Ductile iron is an alloy composed of iron and carbon. Its density is lower than that of pig iron. It is not easy to be oxidized and has good corrosion resistance. Therefore, it can be used to manufacture various industrial products. It is a kind of metal products, made of metals and alloys such as iron and steel. Its main characteristics are corrosion resistance, wear resistance and high temperature resistance. It is a special steel with strong impact resistance and corrosion resistance. It is made of malleable or weldable ductile alloy and pig iron, and has good mechanical properties and wear resistance. Pig iron is a kind of traditional low strength steel, mainly used for manufacturing tools, weapons, parts, etc.

Ductile iron

Features of nodular cast iron:

1. Good corrosion resistance, suitable for chemical industry and food processing industry.

2. It has high strength and can be used to manufacture large parts.

3. Good thermal conductivity, which can be used to manufacture internal combustion engines, air conditioners and other traditional products.

4. Low cost and mass production.

ductile alloy

The difference between nodular cast iron and pig iron:

Ductile iron is made of clay, limestone, iron oxide and other raw materials containing a large amount of iron, and has good strength and corrosion resistance. Pig iron is made from coal, iron oxide and raw oil, and has good conductivity.

The difference between nodular cast iron and pig iron is mainly shown in the following aspects:

1. The strength is much greater than that of pig iron;

2. The corrosion resistance is better than pig iron;

3. The conductivity is better than pig iron.

pig iron

Purpose of nodular cast iron:

Ductile iron has many uses, mainly for manufacturing equipment, tools, mechanical parts, furniture and sculpture. In recent years, with the continuous development of modern technology, it has been widely used in aerospace, national defense equipment, medical equipment, new energy equipment and other fields.

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