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Jiaxing Super Weighing System CO., LTD

Room 1308, North of Building Xiehe Plaza,Jiaxing City,Zhejiang,China

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製品仕様

Material : Cast iron : Nominal value:1kg-2000kg Class: M1,M2,M12 : Density:7.2g/cm3

タイトルまたは説明

What is Cast iron?
Cast Iron is iron or a ferrous alloy which has been heated until it liquefies, and is then poured into a mould to solidify. It is usually made from pig iron. The alloy constituents affect its color when fractured: white cast iron has carbide impurities which allow cracks to pass straight through. Grey cast iron has graphitic flakes which deflect a passing crack and initiate countless new cracks as the material breaks.
Carbon (C) and silicon (Si) are the main alloying elements, with the amount ranging from 2.1–4 wt% and 1–3 wt%, respectively. Iron alloys with less carbon content are known as steel. While this technically makes these base alloys ternary Fe–C–Si alloys, the principle of cast iron solidification is understood from the binary iron–carbon phase diagram.


Alloying elements
Cast iron's properties are changed by adding various alloying elements, or alloyants. Next to carbon, silicon is the most important alloyant because it forces carbon out of solution. Instead the carbon forms graphite which results in a softer iron, reduces shrinkage, lowers strength, and decreases density. Sulfur, when present, forms iron sulfide, which prevents the formation of graphite and increases hardness. The manganese sulfide is lighter than the melt so it tends to float out of the melt and into the slag. The amount of manganese required to neutralize sulfur is 1.7 × sulfur content + 0.3%. If more than this amount of manganese is added, then manganese carbide forms, which increases hardness and chilling, except in grey iron, where up to 1% of manganese increases strength and density.


Grey cast iron
Grey cast iron is characterized 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 is iron. Grey cast iron has less tensile strength and shock resistance than steel, but its compressive strength is comparable to low and medium carbon steel.



Specification
Cast iron rectangular weights 
Material Cast iron
Class  M1, M2
Nominal value 1kg-2000kg 
Density   7.2g/cm3

お問い合わせ

連絡先担当者:Mr. BiBo

会社:Jiaxing Super Weighing System CO., LTD

住所:Room 1308, North of Building Xiehe Plaza, Jiaxing City, Zhejiang, China,314051

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Mr. BiBo < Jiaxing Super Weighing System CO., LTD >
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