Tin Nickel Master Alloy
High Purity 5% and 10% Nickel
The Tin Nickel Master Alloy from DKL Metals enables the easy and controlled introduction of high-temperature Nickel into lower-melting tin-based alloys. As a trusted global supplier, we provide seamless international distribution and dependable export logistics to support manufacturers worldwide.
Manufactured exclusively from premium virgin raw materials, our master alloys deliver the consistent metallurgical quality and reliable supply chain security required for demanding high-volume industrial production.
Material Benefits & Performance
Efficient Alloying
Enables effortless addition of high-temperature Nickel directly into lower melting temperature tin alloys.
Industry Standard
Widely deployed across mass-scale electronic solder manufacturing and high-demand Babbitt bearing alloy production.
Certified Quality
Features consistent metallurgical analysis with a guaranteed 99.9% minimum combined pure tin and nickel content.
Flexible Formats
Available in versatile shapes including 4kg breakable waffle plates and standard ingots for meticulous batch additions.
Melting Range Properties
| Alloy | Melting Range (°C) | Melting Range (°F) |
|---|---|---|
| 95Sn-5Ni | 600 to 620°C | 1112 to 1148°F |
| 90Sn-10Ni | 745 to 780°C | 1373 to 1436°F |
Product Specifications
| Element | 95Sn-5Ni Composition | 90Sn-10Ni Composition |
|---|---|---|
| Tin (Sn) | 94.5% to 95.5% | 89.5% to 90.5% |
| Nickel (Ni) | 4.5% to 5.5% | 9.5% to 10.5% |
| Tin + Nickel (Sn+Ni) | 99.9% Min | |
| Antimony (Sb) | 0.030% Max | |
| Lead (Pb) | 0.030% Max | |
| Bismuth (Bi) | 0.010% Max | |
| Copper (Cu) | 0.020% Max | |
| Arsenic (As) | 0.010% Max | |
| Iron (Fe) | 0.010% Max | |
| Cadmium (Cd) | 0.001% Max | |
| Zinc (Zn) | 0.001% Max | |
| Other | 0.010% Max | |
- 5% Nickel, balance tin (95Sn-5Ni)
- 10% Nickel, balance tin (90Sn-10Ni)
- Available Forms: 4kg waffle plate (breakable for precise additions), 5kg ingots, 2.5kg ingots
Typical Applications
- High-quality electronic solder manufacturing
- Specialised bearing alloys for demanding mechanical applications
- Industrial alloying involving tin-nickel metallurgical systems
Why Choose DKL Metals for Tin Nickel Master Alloys? +
DKL Metals provides expertly sourced, high-purity tin nickel master alloys with consistent analysis and reliable UK supply, suitable for both large-scale manufacturing and specialised industrial use.
What are the structural mechanical properties of a tin-nickel master alloy? +
- High Friability (Brittleness): The material features a brittle crystalline matrix with hard intermetallic phases (like Ni₃Sn₄). This allows our 4kg waffle plates to be easily fractured and broken into precise chunk sizes for accurate weight additions without stringy metallic deformation.
- Optimised Mass Density (7.4–7.6 g/cm³): Engineered to be slightly denser than pure tin, ensuring that when chunks are added to a molten bath, they immediately sink below the surface slag line to dissolve efficiently rather than floating and oxidising.
- Finished Product Impact: While the master alloy itself is brittle, introducing it into your final melt drastically refines the finished product’s grain structure. This significantly improves thermal fatigue resistance in electronic solders and elevates load-bearing wear life in Babbitt bearing alloys.
What are the risks of improper nickel levels in tin alloys? +
Deviating from precise nickel thresholds causes critical manufacturing and metallurgical failures:
- Too Much Nickel: Creates a “gritty” liquid mix and thick intermetallic sludge that clogs nozzles. It also spikes the melting point, forcing higher furnace temperatures and causing excessive waste.
- Too Little Nickel: Accelerates copper dissolution from PCBs into electronic solder pots. It also degrades the joint’s grain structure, leaving solders and Babbitt bearings prone to cracking under thermal stress.