Casting Alloy HR1
Casting Alloy HR1 is a specially formulated casting alloy designed for applications requiring excellent mechanical strength, wear resistance, and corrosion protection. HR1 is optimised for heavy-duty industrial castings where dimensional stability and toughness are critical.
Chemical Composition
| Element | Typical Range / Max (%) |
|---|---|
| Tin (Sn) | 45 – 46 |
| Lead (Pb) | Balance |
| Antimony (Sb) | 3.25 – 3.75 |
| Copper (Cu) | Max 0.05 |
| Zinc (Zn) | Max 0.005 |
| Iron (Fe) | Max 0.10 |
| Nickel (Ni) | Max 0.01 |
| Bismuth (Bi) | 3.25 – 3.75 |
| Cadmium (Cd) | Max 0.05 |
| Silver (Ag) | Max 0.10 |
| Gold (Au) | Max 0.05 |
| Arsenic (As) | Max 0.25 |
| Aluminium (Al) | Max 0.005 |
| Indium (In) | Max 0.10 |
| Phosphorus (P) | Not specified |
Key Benefits
- Formulated specifically for casting applications requiring toughness and stability
- Balanced tin and lead content with optimised antimony and bismuth for enhanced strength
- Carefully controlled trace elements to maximise corrosion resistance and wear performance
- Good castability while maintaining enhanced mechanical properties
- Ideal for custom large-scale casting projects
Why Choose DKL Metals’ Casting Alloy HR1?
DKL Metals guarantees consistency and traceability in Casting Alloy HR1’s composition and quality. Our UK-based manufacturing enables reliable supply and expert technical support for your casting needs.
Learn More!
DKL – About Pewter & Casting Alloys


