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Development of Grey Cast Iron Automotive Exhaust Manifold

With the development of the automobile industry, the exhaust temperature of the engine is increasing continuously, which leads to the continuous development of the exhaust manifold materials.Material of exhaust manifold for automobiles in developed countries in Europe and America has experienced the development process of stainless steel, including common...

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Inoculation treatment of grey cast iron

1. Characteristics of inoculation treatment Up to now, there is no agreement on the mechanism of inoculation treatment at home and abroad, but the inoculation treatment of cast iron has the following commonness : (1) Furnace front performance and fluidity. Inoculation treatment is generally to add inoculant into molten...

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Chemical composition of grey cast iron

The chemical composition of grey cast iron is composed of two parts: one is the basic composition, i.e. the five elements of C, Si, Mn, P, s; the other is to add a small amount of alloy elements, such as Cu, Cr, Mo, Ni, Sb, Sn, etc., as required...

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Classification of graphite distribution in grey cast iron

Graphite in grey cast iron is flaky, and its distribution shape can be divided into a, B, C, D, e and F. Different distribution shapes have different effects on the mechanical properties, service properties, physical properties and technological properties of gray cast iron. The graphite distribution shape of gray...

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Practical production cases of grey cast iron

In recent years, although nodular iron castings, vermicular iron castings and various light alloy castings have been developed rapidly, but due to the unique advantages and relatively cheap price of gray iron, its consumption is still large, and its application is still very wide. Therefore, further strengthening the research...

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Properties and characteristics of grey cast iron

Gray cast iron characterized by flake graphite has certain strength, hardness, modulus of elasticity, shock absorption, wear resistance and thermal conductivity, especially with excellent casting performance, good cutting performance and low casting cost. So far, it is still the most widely used cast iron in the world. According to...

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