The difference between cast iron and cast iron Pig iron casting

by:XEX     2021-01-30
Engaged in pig iron casting industry friends believe are two words heard of cast iron and cast iron, cast iron and cast iron is actually there are both difference and close contact of the two concepts. Small make up today to tell you something about the difference between cast iron and cast iron. Pig iron casting pig iron is the carbon content in 2. 11% - 6. By 67% and more than iron impurities of iron carbon alloy. Pig iron impurity element is mainly silicon, sulfur, manganese, phosphorus, etc. , it is qualitative hard and brittle, lack of toughness, almost no plastic deformation ability, so you can't through methods such as forging, rolling, drawing, processing and forming, but the high silicon cast iron ( Gray iron) The casting and cutting performance is good. Pig iron is directly from the blast furnace in the production of crude steel, according to its USES can be divided into two major categories of pig iron for steel making and foundry pig iron. Customarily called pig iron for steel making pig iron, cast iron cast iron for short. Cast iron through methods such as forging, metamorphism, the ball can change its internal structure, improve and improve its mechanical properties, therefore, can be divided into the white cast iron foundry pig iron, grey cast iron, malleable cast iron, nodular cast iron and special cast iron and other varieties. Pig iron casting of cast iron can be divided into ordinary cast iron and alloy cast iron, the former including pig iron for steel making and foundry pig iron, and the latter mainly ferromanganese and ferrosilicon. Alloy cast iron for steelmaking auxiliary materials, such as deoxidizer and alloying elements additives. More than 98% of the ordinary cast iron of blast furnace smelting products, and steel accounts for more than 80% of China's current ordinary cast iron, with the improvement of industrialization level, the proportion will gradually increase. The above is about the difference between the pig iron casting of cast iron and cast iron, believe that after you see the pig iron casting also has a new understanding. Small make up today to talk about this, let's see you next time.
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