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Casting production is a forming process from smelting metal, manufacturing molds, pouring molten metal into molds, and solidifying to obtain metal part blanks with a certain shape, size and performance. During this process, solid, gas waste and harmful gas will be discharged.
The five major elements in cast iron are carbon, silicon, manganese, sulfur, and phosphorus. Carbon and silicon are the two main chemical elements in ordinary gray cast iron.They have a decisive influence on the structure and properties of cast iron. In production, it is often controlled by controlling and adjusting the content of carbon and silicon.
Installation methods of cast iron workbench: respectively, adjustable steel bracket installation, adjustment horn installation, <BR>, ground anchor installation, anchor bolt installation, shock absorption spring installation.
Approximate carbon content. The steel with low carbon content has fine grains in cross section and its color is grayish white; the steel with high carbon content has slightly coarse grains in cross section and its color is white. The fracture of alloy steel is generally fine. The section of high-speed steel has finer grains and broken fine porcelain
Cast iron is an iron-carbon alloy with a carbon content of more than 2.11% (typically 2.5-4%). It is a multi-component alloy with iron, carbon, and silicon as the main constituent elements and containing more impurities such as manganese, sulfur, and phosphorus than carbon steel. Sometimes to improve the mechanical properties of cast iron
Under high pressure, make parts that are subject to friction and impact, such as gears, etc.
ZG200, --400 has good plasticity, toughness and welding performance, and is used for various mechanical parts that are not stressed and require high toughness, such as chassis, transmission housing, etc.
Recently, it was learned from a press conference jointly held by the Hebei Provincial Environmental Protection Department and the Hebei Provincial Quality Supervision Bureau that the `` Ultra Low Emission Standards for Air Pollutants of the Iron and Steel Industry '' in Hebei Province will be implemented on January 1, 2019. Emission limits
Cast iron has superior castability, and is suitable for manufacturing complex shapes or thin-walled castings. Commonly used cast iron is gray cast iron ,, malleable cast iron ,, ductile iron, etc. Carbon in grey cast iron mainly exists in the form of flake graphite ,,,
Green water and green mountains are the Jinshan and Yinshan. This year, the city took the rectification and upgrading of the foundry industry as a breakthrough and promoted the transformation of traditional industries to standardization, informationization and greening. Jianxin Foundry responded positively and combined with its own development reality, waited and worked actively.