Ferro alloy
Steelmaking FeSi 72 Ferro Silicon Lumps 10-50mm
In the steel making field, Ferro silicon is used as deoxidizer and alloying agent to precipit and diffuse deoxidation. Adding a certain amount silicon to the steel can obviously improve the strengt...
DESCRIPTION
In the steel making field, Ferro silicon is used as deoxidizer and alloying agent to precipit and diffuse deoxidation. Adding a certain amount silicon to the steel can obviously improve the strength , hardness,elasticity and permeability of steel. In the iron casting,it is used as ball mile agent and alloying agent especially in the nodular iron casting, Adding ferro silicon to cast iron ,it can prevent the formation of carbide and promote the precipitation of graphite and the nodulizing.Then the mechanical capacity can be the same of steel’s.
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Chemical Composition (%)
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Grade
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Si
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Al
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P
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S
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C
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Fe
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(max)
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(min)
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FeSi75-A
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74.0-80.0
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2.0
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0.04
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0.02
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0.2
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Balance
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FeSi75-B
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72.0-80.0
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2.0
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0.04
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0.02
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0.2
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Balance
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FeSi72
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72
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2.0
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0.04
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0.02
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0.2
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Balance
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FeSi70
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70
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2.0
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0.04
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0.02
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0.2
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Balance
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