Uses and benefits of the product: There are three main types of pig iron: primary pig iron, which is mainly used in electric arc steelmaking, cast pig iron, which is mainly used in making copla gray iron castings, and nodular cast iron (SG GRADE). which is used in making ductile iron. Pig iron is used in steelmaking, casting, alloy production, automotive casting, and other iron-based castings. There are 3 types of cast iron Primary pig iron Pig iron is an intermediate product extracted from iron ore and is the first product of iron making. Pig iron has a very high carbon content, typically 3.5-4.5%, in addition to silica, manganese, sulfur, phosphorus, titanium, and other trace elements. Cast iron Pig iron (also known as hematite iron): Mainly used for making gray iron castings in domes. 
High Purity Cast Iron (also known as Ductile Iron): Used to make ductile iron castings [also known as Ductile or Ductile - SG]. malleable iron Ductile iron, also known as ductile iron, is an iron characterized by nodules of spherical graphite in the microstructure. Cast iron is nothing but impure iron obtained from iron ore. Cast iron has many engineering properties and therefore it can be used in various applications such as sanitary fittings, armchairs, casting molds, etc. Pig iron has a very high carbon content, typically 3.8-4.7%, in addition to silica and other dross, which makes it very brittle and cannot be used directly as a material except for limited applications. The pig gotten from the impact heater is called pig. It contains about 4% carbon and many other impurities such as S, P, Si, Mn, etc. Cast iron, on the other hand, is made by melting pig iron with scrap iron and coke using hot air jets. Cast iron is hard, wear-resistant, fusible, and very brittle. Except for limited applications, it cannot be used directly as a material. Compared to steel, it features a lower dissolving point. 
10 uses of pig iron
Today you will get to know the definition, application, properties, composition, and types of pig iron traders. Pig iron is a solid form of molten iron obtained from recycled iron ore or scrap and processed in a blast furnace or electric arc furnace. Pig iron is used as a raw material for iron making, and most of these materials are imported. Pig iron, which is also called cast iron, is an intermediate product in the production of steel by the iron and steel industry, which is obtained by melting iron ore in a blast furnace. Pig iron has a very high carbon content, typically 3.8-4.7%, in addition to silica and other dross, which makes it very brittle and cannot be used directly as a material except for limited applications. The traditional form of molds for cast iron ingots is a branched structure formed in sand, with many individual ingots at right angles to a central channel or "runner", like the litter of pigs fed by a rooster. When the metal cools and hardens, smaller steel ingots ("pigs") are simply removed from the runners ("planted"), hence the name "iron". Since pig iron is used for remelting, its size is not uniform, the addition of ingots and a small amount of sand will cause minor problems due to the ease of casting and handling of the ingots. Pig iron can moreover be utilized to deliver gray iron. 
This is achieved by remelting pig iron as well as large amounts of steel and scrap, removing unwanted impurities, adding alloys, and adjusting the carbon content. Some grades of pig iron are suitable to produce ductile iron. Steelmaker uses pig iron as a premium source of pure iron units. Demand for pig iron has increased in recent years as steel mill operators have realized that pig iron has distinct advantages over other alternative iron sources. Pig iron is used as a raw material for iron making, and most of these materials are imported. The availability of pig iron (from scrap) is limited, so steel producers and the foundry industry cannot maximize production. The supply of imported scrap is often problematic, as not all scrap is separated from hazardous and toxic materials. 
types of pig iron
Pig iron is a product of the iron production process. high carbon fuel coke is utilized to warm press metal. This results in the production of pig iron with a high carbon content. Chilled cast iron is called commercial cast iron and it is cast in the form of blocks or ingots. These are then sold as feed to the steel industry and steel foundries. Commercial cast iron is divided into the following three types: Primary Pig iron - used in electric arc furnace steelmaking. Cast Iron - This type of pig iron, also known as hematite cast iron, is used to cast grey iron in cupolas. High Purity Pig Iron - Synonymous with ductile iron, used to produce ductile iron castings, also known as SG or ductile iron. It is used by manhole cover manufacturers. primary pig iron Pig iron is an intermediate product, the first iron-making product extracted from iron ore. Pig iron has a very high carbon content, typically 3.5–4.5%, as well as silica, manganese, sulfur, phosphorus, titanium, and other trace elements. cast iron. Cast iron pig iron (also known as hematite pig iron): mainly used in the manufacture of dome furnace gray iron castings. 
High Purity Pig Iron (also known as Ductile Iron): Used to make ductile iron parts. Different from hematite, cast iron is divided into standard steel strips with an average silicon content of 2-3% and special steel strips with a silicon content of 1.5-2% and 3-3.5%, respectively, due to the high phosphorus content. The standard type is generally used as dome raw material to produce high-quality grey cast iron. Cast iron can also provide lower phosphorus content (0.10 to 0.50% P) and is described as semi-hematite. Ductile Iron Ductile iron, also known as ductile iron, is a cast iron with spherical graphite nodules in its microstructure. Due to this structure, ductile iron offers special properties, such as increased yield strength and tensile strength, which are key factors in the intended use. 
Uses of Pig Iron in Building Construction
Types of cast iron used as building materials in construction works the following are the types of cast iron used as building materials in construction and their uses: grey cast iron malleable cast iron speckled cast iron hardened cast iron white cast iron Ductile Iron Chilled cast iron grey cast iron as the name suggests, it's grey. It has a coarse crystal structure. It has a very low melting point and therefore poor strength and is only used for casting purposes. Malleable cast iron. Ductility is a property that helps a material take any shape without breaking or cracking. Therefore, malleable iron is used to manufacture many materials. It has good corrosion resistance. Its production process consists of two stages. In the first step, it is cast into regular cast iron and cooled, then reheated to 1050°C and soaked in water for a long time (hours or days). speckled cast iron Spotted cast iron is a medium grade cast iron with properties between grey cast iron and white cast iron. It contains a small amount of graphite in its composition. 
Therefore, speckle-type fractures are generated in its microstructure. hardened cast iron Hardened cast iron is a combination of cast iron and wrought iron. To obtain these scraps, wrought iron and cast iron are melted together. The composition of wrought iron is about 0.15 to 0.25 of the weight of cast iron. white cast iron It is silver. It has a high melting point, so it's better in terms of strength, but it's not used for fine casting. Due to its strength, it cannot be used easily. Ductile Iron Ductile iron is also called ductile iron. Its manufacturing process is very simple compared to other types. Its production process includes manganese treatment, which helps increase the carbon content and prevents graphite from forming in flake form. It has very good engineering properties compared to malleable cast iron. 
Why is it called pig iron?
Cast iron is an intermediate product of melting steel ore with coke and resin. Pig iron has a high carbon content, typically 3.5-4.5%, which makes it brittle and cannot be used directly as a material except for limited applications. The traditional form of mold used for these ingots is a branched structure formed in sand, with many individual ingots at right angles to a central channel. This configuration resembles a litter of piglets suckling on a sow. As the metal cools and hardens, the smaller ingots (pigs) fall off the thinner runners (suve), hence the name pig iron. The term "pig iron" dates to the days when molten iron was cast into ingots before being loaded into steel mills. 
The molds are placed on a sand bed so that they can be fed from a common runner. A group of molds resembles a litter of suckling pigs, calling the ingots "pigs" and the runner's "mud". Pig iron is an intermediate product obtained by smelting iron ore in blast furnaces. It is a mixture of 92% iron, up to 3.5% carbon, and trace amounts of manganese, silicon, sulfur, phosphorus, and impurities. The traditional modular form used for iron ingots is a branched structure formed in the sand, with many individual iron ingots at right angles to a central channel or runner, like a litter of piglets sucked by a rooster. Once the metal cools and hardens, the smaller ingots (pigs) simply snap off the runners (pigs), hence the name pig iron. 
Properties of Pig Iron
Properties of pig iron Pig iron is also called pig iron. This material is obtained from smelting furnaces in the form of rectangular blocks and has a very high carbon content between 3.5 and 4.5 because it contains 90% iron. By smelting iron ore with a high-carbon fuel and a reducing agent such as coke, limestone is usually produced as a flux. Other materials such as anthracite and charcoal are used as fuel. The term "pig iron" is derived from the old method of using molten iron. It flows directly from the furnace into open channels which feed many short channels on either side, sort of like iron piglets being sucked by a rooster. Cast iron falls from the cock when solid. A small amount of cold iron is still called pig iron today. The term "hot metal" is used to denote molten iron. Pig iron contains about 90-95% elemental iron and several other elements, mainly carbon, silicon, phosphorus, manganese and sulfur, the proportions of which depend on the composition of the raw materials and how the blast furnace is operated. Pigs may contain 3.0-4.5% carbon, 0.5-4.0% silicon, 0.025-2.5% phosphorus, 0.15-2.15% manganese, and up to 0.2% sulfur. The composition needed to make steel is different from what foundries need to make cast iron. 
Pig iron vs Cast iron
Cast iron Pig iron is an iron-carbon combination with a carbon substance of more than 2% (2.11%). industrial pig for the most part encompasses a carbon substance of 2.5% to 4.0%, and contains components such as Si, MN, S, and P This iron ore product is melted in a blast furnace. Pig iron is divided into iron number according to silicon content (Si), classification according to manganese content (MN), classification according to phosphorus content (P) and classification according to sulfur content (S). 1) Cast iron steelmaking Steel-making pig iron does not contain more than 1.7% silicon, as well as carbon in the form of Fe3C. So, it is hard and brittle, and the fracture is white. Basically, utilized as crude fabric for steelmaking and moldable cast pig. Steel pig iron is shown in the table below. Cast iron for steelmaking (according to GB717-82 standard) Iron code L04 L08 L10 2) Cast iron The silicon content of cast iron is 1.25 to 3.6%. Carbon exists basically within the shape of graphite Fractures are grey. 
Smooth processing and easy cutting. It is mainly used to produce various cast iron raw materials such as beds and boxes. Cast iron is appeared within the table underneath: Cast iron (according to YB/T14-91) Actor Level 34 Actor 30 Actor 26 Actor 22 Actor 18 Actor 14. 2. Cast iron Cast iron is an iron-carbon alloy with a carbon substance of more than 2.11%. Scrap is obtained by remelting pig iron (part of steelmaking pig iron) in a furnace and adding iron alloys and reheating the iron to adjust the composition. Unlike cast iron, which is a secondary process, it is further transformed into cast iron parts. Cast iron has excellent castability, can be processed into complex parts, and generally has good machinability. 1) White cast iron the carbon in white cast iron is all in the form of carburizing (Fe3C) because the fracture is bright white. Therefore, it is called white cast iron. 
Due to the existence of a large amount of hard and brittle Fe3C, white cast iron has high hardness, high brittleness, and difficult processing. 2) Grey cast iron Most or all the carbon in cast iron is in the form of free flake graphite. Fractures are grey. Has good casting properties, good machinability, good wear resistance and wear resistance. In addition, its smelting material is simple, and the cost is low. Widely used in the manufacture of complex structural castings and wear parts.
Conclusion
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