Products Description
The calcium silicon, not called silicified calcium, contains 22 to 35% calcium and 60 to 65% silicon. The YB 525-65 stipulates that the calcium content should not be less than 31%, 28%, and 24% respectively. It is mainly used as the inoculant for cast iron. The reducing ability of the silicon-calcium alloy is very strong and is also used as the deoxidizer for high-quality steel. As a deoxidizer for steel, the silicon-calcium-barium alloy or the silicon-calcium-barium-aluminum alloy, or the silicon-calcium-manganese alloy is mostly used.
Products advantages
In addition to magnesium and rare earth metals, calcium can also reduce the oxygen and sulfur content that hinder the formation of spheroidized graphite, promoting the spheroidization of graphite in castings. Calcium is widely used as a denaturant in steelmaking and alloys. Treating metal melt with pure calcium or its alloys can improve the physical and chemical properties of metals, which is beneficial for improving the morphology of oxide and sulfide inclusions in finished steel and castings.
Products features
Calcium silicon alloy is a composite alloy composed of elements silicon, calcium and iron. It is an ideal composite deoxidizer and desulfurizer. Its performance features include:
1. Strong deoxidation ability: Silicon and calcium have a high affinity for oxygen, and calcium has a high affinity for sulfur. The deoxidation and desulfurization products can easily float and be eliminated, which can improve the performance of steel and improve the plasticity and impact toughness of steel.
2. Easy to absorb water and pulverize: Pay attention to moisture-proof during transportation and storage.
3. Produces a strong exothermic effect: Calcium turns into calcium vapor in the molten steel, which stirs the molten steel and is beneficial to the floating of non-metallic inclusions.
4. Change the shape and properties of non-metallic inclusions: Therefore, calcium silicon alloy is used to produce clean steel, high-quality steel with low oxygen and sulfur content, and special performance steel with extremely low oxygen and sulfur content.
5. Can be used as a temperature increasing agent: Calcium silicon alloy is an effective temperature increasing agent and is widely used in the production of various steel types, special alloys and cast iron.
6. Can be used as an inoculant: In cast iron production, calcium silicon alloy can be used as a deoxidizer, desulfurizer and inoculant, and is also an effective temperature increasing agent.
ZHENAN INTERNATIOANL CO., LTD
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