
C103 Powder
At Elmet Technologies, we proudly showcase the exceptional capabilities of C103 powder, a cutting-edge material designed to meet the demanding requirements of modern industries. As a key player in additive manufacturing technologies, our C103 powder is specifically engineered to address the stringent demands of space propulsion applications, where performance and reliability are critical.

This advanced niobium-based alloy stands out due to its remarkably high-temperature strength, superior ductility, low density, and excellent creep resistance, making it an ideal choice for extreme environments. In addition to its mechanical properties, C103 powder offers outstanding performance in high-stress applications, ensuring durability and efficiency. By utilizing C103 powder, we help drive technological advancements, delivering solutions that push the boundaries of innovation and exceed industry standards.
With the ideal characteristics for powder metallurgy technologies, C-103 powder stands out with its remarkable capacity to maintain strength at temperatures up to 2,700 °F (1,482 °C), making it particularly suitable for high-performance rocket nozzle applications. Notably, it offers significant advantages within the aerospace industry by providing a cost-effective alternative to platinum group metals.
Elmet’s unique global reach enables us to maintain close collaboration with our customers, ensuring we meet their specific needs to help them excel in their projects.


Properties of C103 Powder
- Spherical shape
- Homogeneous elemental distribution
- Good flowability
- Low oxygen content
Chemical Characteristics
Element | Percent % |
---|---|
Nb | 88 min |
Hf | 9-11 |
Ti | 0.7-1.3 |
Ta | 0.5 max |
W | 0.5 max |
Zr | 0.7 max |
C | <0.015 |
O | <0.05 |
Physical Characteristics
Property | L-PBF | DED |
---|---|---|
Bulk Density, g/cc | >4.5 | >4.5 |
Flow, s/50g | <15 | <17 |
PSD. d10. μm | >10 | >40 |
PSD, d90, μm | <53 | <150 |
Advantages Of C103 Powder
- Excellent flowability
- High tap density
- Near-perfect spherical shape
- Narrow particle size distribution
- Strong processability and weldability
- Exceptional corrosion resistance
Applications for C103 Powder

AM Printing
Elmet prints complex, high-performance parts through the advanced process of laser-powder bed fusion.

Aerospace
C103 stands out as the go-to choice for satellite and rocket motor propulsion. It’s vital for aerospace advancement.

Defense
C103 can be found in fighter jet engine exhaust systems and leading-edge components for hypersonic vehicles.


Innovation in Manufacturing
Elmet Technologies, a proudly US-owned and operated company, strategically operates across three pivotal manufacturing sites in the United States: Lewiston, Maine; Coldwater, Michigan; and Euclid, Ohio.
Each facility specializes in producing a diverse range of high-quality refractory metal materials, components, and solutions. We consistently provide industry-leading products defined by cutting-edge technological advancements.