Tungsten Carbide Cobalt, Powder Grade EC20L

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Description

The zinc process is an environmentally friendly way to reclaim tungsten carbide-cobalt from used hard materials, such as cutting inserts, milling tools or other hard material compacts. This secondary raw material stream provides cost-effective and reliable high quality tungsten carbide powder grades. GTP's subsidiary Tikomet has consistently made improvements to the zinc reclaim process for more than two decades. Switch to an environmentally friendly raw material source and rely on our recycling experience.

This material data has been provided by Global Tungsten & Powders Corp..

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

14.91 g/cm³

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Grain size

15 - 20 μm

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tungsten carbide grain size

Particle size D90

35 μm

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max

Mechanical

PropertyTemperatureValue

Hardness, Vickers, 30

23.0 °C

1140 [-]

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Magnetic

PropertyTemperatureValue

Coercive force

23.0 °C

5174 A/m

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Chemical properties

PropertyValueComment

Aluminium

0.02 %

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max

Carbon

as WC balance

Chromium

0.05 %

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Cobalt

5 - 8 %

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Copper

0.02 %

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Iron

0.3 %

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Nickel

0.1 %

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Other

0.2 %

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Ti+Ta+Nb

Oxygen

0.3 %

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Tungsten

as WC balance

Vanadium

0.01 %

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Zinc

5E-3 %

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Technological properties

Property
Application areas

Powder grade EC20L was developed for use in a wide range of tooling products, for example road construction or coal mining tools, indexable inserts, and wear parts.

Other

Grade EC20L shows an extremely coarse WC grain size and thanks to Tikomet’s unique recycling process, the powder has a very narrow WC grain size distribution. Fully dense sintered microstrutures can be achieved even at low cobalt content.