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Gray iron, or grey cast iron, is a type of cast iron that has a graphitic microstructure. It is named after the gray color of the fracture it forms, which is due to the presence of graphite. [1] It is the most common cast iron and the most widely used cast material based on weight. [2]
22 Δεκ 2022 · What Are the Most Common Uses for Gray Cast Iron? It is used for housings where the stiffness of the component is more important than its tensile strength, such as internal combustion engine cylinder blocks, pump housings, valve bodies, electrical boxes, and decorative castings.
Gray cast iron is characterised by its graphitic microstructure, which causes fractures of the material to have a gray appearance. This is due to the presence of graphite in its composition. In the figure, there is the iron–iron carbide (Fe–Fe3C) phase diagram.
1 Αυγ 2023 · Grey cast iron, also known as gray iron, is a type of cast iron with a distinctive grey-colored fractured surface. It is one of the most commonly used materials in engineering due to its unique properties, wide-ranging applications, and several advantages.
5 Αυγ 2023 · Grey cast iron, often referred to as gray iron, is a widely used engineering material known for its excellent casting properties, low cost, and good machinability. It is one of the oldest and most popular types of cast iron, primarily composed of carbon, silicon, and iron, with small amounts of other elements.
Gray cast iron is a broad term used for a number of cast irons whose microstructures are characterized by the presence of flake graphite in the ferrous matrix. Such castings often contain 2.5% to 4% carbon, 1% to 3% silicon, and some additions of manganese ranging from 0.1% to 1.2%.
Grey cast iron is characterised by its graphitic microstructure, which causes fractures of the material to have a grey appearance. It is the most commonly used cast iron and the most widely used cast material based on weight. Most cast irons have a chemical composition of 2.5–4.0% carbon, 1–3% silicon, and the remainder iron.