Pure Calcium Cored Wire
Products Description
Pure calcium cored wire is an additive formed by encapsulating lime or other calcium-rich substances in a wire core. It is characterised by a high melting point, high strength, high temperature stability and good electrical insulation. Pure calcium cored wire is usually made of high-density pure calcium material, while the cladding layer is made of cold-rolled bright steel strip with a thicker thickness. It is added in a precise and safe manner to significantly improve the cleanliness and performance of the steel.
Technical parameters
| Parameter | Range | Impact |
| Calcium content | 30%-40% (line weight ratio) | The higher the content, the more calcium supplement for single metre line, but the cost is high. |
| Feed line speed | 1.5-3.5m/s | Too fast is easy to spatter, too slow leads to incomplete melting of the steel strip. |
| Insertion depth | 1.5-2.5m below steel liquid surface | Too shallow calcium oxidation loss, too deep steel disturbance is insufficient. |
| Calcium absorption | 15%-30% | Affected by steel temperature, oxygen activity and stirring conditions. |
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Product Benefits
Reduced contamination
The calcium treatment process does not carry over other oxides present in the powder cores so that they do not contaminate the steel.
Increased shelf life
The high density of the mandrels and the smaller surface area of the cores allow for a longer shelf life of pure calcium coated wires.
Consistent treatment results
Higher calcium content per metre and more stable active calcium content ensure more stable calcium treatment results.
Increased recovery rate
The encapsulated steel shell and the high density of the pure calcium cores feed calcium deeper into the steel and stay below the critical depth for a longer period of time, thus increasing the calcium recovery rate.
Reduced treatment costs
The use of pure calcium lines reduces the cost of treating calcium per tonne of steel, reduces pollution and significantly reduces the labour intensity of workers on site.
FAQ
Q: Where are your products sold?
A: 30% of our products are sold to main domestic steel mills and foundries, while the rest 70% are exported to countries such as Korea, Japan, Russia, Ukraine, Turkey, Germany, India, and Australia.
Q: What services do you offer?
A: We offer comprehensive pre-sale, in-sale, and after-sale services, ensuring effective communication, timely updates, and feedback from customers to ensure satisfaction.
Feel free to contact us if you have any further questions or require additional information.
Q: Do your products meet international quality standards?
A: Yes, our products adhere to stringent international standards such as GB and are certified under the ISO 9001 quality management system to ensure consistent quality.
Q: Do you have sufficient production capacity and reliable supply channels?
A: With state-of-the-art production facilities and robust supply chains, we are equipped to handle large volume orders and guarantee timely delivery.
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