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Send EmailSilicon Copper Master Alloy, 7440-50-8, 7440-21-3
Product Name: Silicon Copper Master Alloy
CAS No.: 7440-50-8 (Copper) / 7440-21-3 (Silicon)
GTIP Code: 7403.29.00
| Grade | Liquidus (K) | Solidus (K) | Liquidus (°C) | Solidus (°C) |
|---|---|---|---|---|
| 11Si | 1132 | 1075 I* | 859 | 802 |
| 15Si | 1083 | 1075 I* | 810 | 802 |
*The “I” notation may indicate an incipient melting point or a specific transformation temperature.
| Element | Weight % |
|---|---|
| Copper (Cu) | Balance |
| Silicon (Si) | 11.0 ± 1.0 or 15.0 ± 1.0 (depending on grade) |
Trace elements and impurities are below the specified maximum limits. A detailed certificate of analysis is provided with each shipment.
| Property | Value |
|---|---|
| Appearance | Metallic ingot, silver-grey |
| Density | ~8.3 g/cm³ |
| Melting Range | Depends on grade (see table above) |
| Ingot Weight | Approximately 10–25 kg per ingot |
Used as a master alloy in copper-based systems.
Improves strength, wear resistance and corrosion resistance.
Applied in electrical, automotive and metallurgical industries, particularly in the production of bronze, brass and other copper alloys.
Standard ingots, approximately 10–25 kg each.
Palletized and shrink-wrapped.
Custom packaging options are available upon request.
Store in a dry, well-ventilated area.
Avoid contact with moisture to prevent oxidation.
Protect ingots from mechanical impact; no risk of fracture or crumbling.
Not classified as hazardous under normal handling conditions.
During melting operations: Wear protective gloves, a full-face shield, heat-resistant clothing and appropriate respiratory protection due to high temperatures, metal splashes and possible fumes.
For more detailed information, please refer to the Safety Data Sheet (SDS).
The information in this technical data sheet is based on our current knowledge and experience and is provided for general product description purposes only. It does not constitute a specification or guarantee of properties. The suitability of the product for a particular application must be determined by the user through appropriate testing. This document does not replace a binding specification.