Product Introduction

70-50-05 ductile iron lost wax investment casting parts

70-50-05 ductile iron profile is a cast iron material with good mechanical properties and corrosion resistance, which is widely used in machinery manufacturing, automobile manufacturing, construction engineering and other fields. In this paper, 70-50-05 ductile iron profiles will be introduced in detail from the aspects of material properties, production and application fields.

1. Material characteristics

In the naming of 70-50-05 ductile iron profiles, 70 represents its tensile strength of 70 ksi (about 480 MPa), 50 represents its yield strength of 50 ksi (about 345 MPa), and 05 represents its elongation of 5%.

These characteristics make 70-50-05 ductile iron profiles have high strength and ductility, and can withstand large loads and impact loads.

70-50-05 ductile iron profiles also have good corrosion resistance and can resist the corrosion of most chemical media.

This makes it very widely used in some special environments, such as Marine engineering and chemical equipment manufacturing.

2. Production

The production of 70-50-05 ductile iron profiles mainly includes the steps of raw material preparation, melting, casting and heat treatment.

First of all, the selection of high-quality hot metal and spheroidizing agent as raw materials, and strict chemical composition and physical properties testing to ensure that the quality of raw materials meet the requirements.

Secondly, the raw materials are put into the blast furnace for melting, the furnace temperature and smelting time are controlled, so that the elements such as carbon and silicon in the hot metal reach the appropriate content.

Then, the nodular agent is added to spheroidize the graphite in hot metal into a ball through the nodular reaction, so as to improve the toughness and plasticity of ductile iron.

Then, the molten ductile iron is poured into the pre-made cavity, and the shaped ductile iron profiles are removed after cooling and curing.

Finally, the ductile iron profile is heat treated, and the structure and properties are obtained by controlling the temperature and cooling rate.

3. Application fields

70-50-05 ductile iron profiles have good mechanical properties and corrosion resistance, and are widely used in various fields.

In the field of machinery manufacturing, 70-50-05 ductile iron profiles are often used to manufacture heavy machinery parts, such as machine tool beds, mechanical bases, etc., because of its high strength and wear resistance to the stability and life of mechanical equipment.

In the field of automotive manufacturing, 70-50-05 ductile iron profiles are widely used in key components such as engine components, suspension systems and braking systems.

Its high strength and heat resistance can meet the requirements of the car at high temperature and high-speed operation.

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