Calcium Silicon For Spheroidal Graphite Iron
Calcium silicon （CaSi） is commonly used in the production of spheroidal graphite iron (SGI), also known as ductile iron or nodular iron. SGI is a type of cast iron that contains graphite in the form of spherical nodules, which imparts excellent strength, ductility, and impact resistance to the material.
Description
Description
Calcium silicon （CaSi） is commonly used in the production of spheroidal graphite iron (SGI), also known as ductile iron or nodular iron.
SGI is a type of cast iron that contains graphite in the form of spherical nodules, which imparts excellent strength, ductility, and impact resistance to the material.
Specification
|
Content of the composition |
|||||
|
model |
Chemical Composition (%) |
||||
|
Si |
Ba |
Ca |
Al |
|
|
|
Si-Ba-Ca Inoculant |
69-74 |
1-3 |
1-2.5 |
1-2 |
|
|
69-74 |
4-6 |
1-2.5 |
1-2 |
|
|
|
69-74 |
6-8 |
1-2.5 |
1-2 |
||
Here's how calcium silicon is utilized in the production of SGI:
- Nucleation and Graphitization: Calcium silicon is added to the molten iron during the production of SGI to promote nucleation and graphitization.
- Nodule Count and Morphology: The addition of calcium silicon helps control the size, count, and morphology of graphite nodules in SGI. It influences the shape and distribution of nodules, which, in turn, affects the mechanical properties of the castings.
- Graphite Growth Control: Calcium silicon influences the growth of graphite during solidification, helping to prevent the formation of undesired graphite structures such as flake graphite.
- Desulfurization: Calcium silicon assists in the removal of sulfur from the molten iron, as it reacts with sulfur to form calcium sulfide (CaS).
The addition of calcium silicon in the production of SGI requires careful control of its composition and the overall alloy composition. The specific concentration of calcium silicon and its interaction with other alloying elements are crucial to achieve the desired nodularity and mechanical properties of the SGI. It is advisable to consult with materials experts or process engineers to determine the appropriate usage and optimal conditions for calcium silicon in SGI production.
FAQ
Q: How’s the package?
A: Normally are cartons, but also we can pack it according to your requirements.
Q: How’s the delivery time?
A: It depends on the quantity you need, 7-10 days usually.
Q:Are you manufacturer or trading company?
A:We are experienced manufacturer.
Q:Can you supply free samples?
A:Yes,we can.
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