Cemented carbide components made by additive manufacturing

Using additive manufacturing for making cemented carbide components means far greater design flexibility compared to producing components by, for example, press and sintering methods. With additive manufacturing, virtually any component geometry is possible.

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Geometric capabilities (typical)
Size/Envelope Max 200x200x300mm, Typical <40x40x50mm
Wall thickness 0.5 to 30mm
Accuracy ± 0.5 to ±1.0% of nominal dimension, min ±0.04
Geometry Almost any
Channels L20mm*d0.8mm; L100mm*d1.2mm
Roughness Ra 3.2
Typical properties
Hardness, HV 1350 1450 1600
Compressive strength1, MPa 4900 5500 5300
Transverse Rupture Strength1, MPa 2800 3800 3700
Youngs modulus1, GPa 550 560 580
Thermal expansion coeff1, 106/K 5.8 6.1 5.7
ISO K40 K30 K20
H12N H13F H10F
Chemical composition, % w/w
Cobalt 12 13 10
Other - <1 <1
Balance WC WC WC

1Not tested. Typical/Target values for reference

Corrosion resistance
Corrosion resistant at pH>7

Application areas

Cemented carbide is characterized by high durability and wear resistance. Therefore, components made from cemented carbide have a typically 3-20 times longer service life compared to steels and other alloys. This makes cemented carbide suitable for a range of applications, such as wear parts.

Typical application areas
H12N H13F H10F
Wear parts Wear parts Wear parts
Nozzles Nozzles Wire drawing nibs
Mining and construction Nozzles
Metal forming tools

3D printed and optimized cemented carbide nozzles

Varel nozzles are subject to harsh conditions and constant wear and tear. This calls for hard materials and excellent wear resistance. Cue 3D printed cemented carbide.


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