Tungsten Carbide Grade Selector Wizard

Answer a few questions and we will recommend a carbide grade profile for your application. This tool provides a practical starting point and helps you request the right material on your next quote.

Used to weight the recommendation toward typical failure modes in that segment.

3
Low Extreme
3
Low High

Cobalt binder can be sensitive in certain corrosive environments. We will flag options.

Note: This recommendation is guidance. Final grade selection depends on geometry, tolerance, and process.

Grade Selection Tool

Tungsten Carbide Grade Selector Wizard

Selecting the correct tungsten carbide grade is a critical balancing act between hardness and toughness. The Grade Selector Wizard simplifies this complex process, helping engineers and buyers identify the ideal material specifications for their unique applications.

By analyzing your specific operating conditions such as impact levels, abrasion severity, and material to be machined the wizard recommends grades optimized for performance. It accounts for key metallurgical variables like binder percentage (Cobalt/Nickel) and grain size (Sub-micron vs. Coarse).

Note: While this tool provides a highly accurate starting point, every application has unique variables. We recommend using these results to initiate a technical consultation with our engineering team.

Whether you are designing wear parts for the oil & gas sector or precision cutting tools for medical manufacturing, this wizard ensures you start with the right foundation.

Frequently Asked Questions

How do I choose between hardness and toughness?
Hardness and toughness are generally inversely related. Lower binder content (e.g., 6% Cobalt) increases hardness and wear resistance, making it ideal for abrasive environments. Higher binder content (e.g., 10-15% Cobalt) increases toughness, which is better for applications involving heavy shock or impact. The wizard helps you find the specific "sweet spot" for your needs.
Why does grain size matter in grade selection?
Grain size dramatically affects performance. Sub-micron or fine grains offer superior edge retention and hardness, perfect for precision cutting tools. Coarse grains provide better fracture toughness, making them suitable for mining, construction, or heavy industrial wear parts where breakage is a concern.
Can the wizard help with corrosive environments?
Yes. Standard tungsten carbide uses Cobalt as a binder, which can be susceptible to leaching in acidic or wet environments. For these applications, the wizard may suggest grades with Nickel or specialty alloy binders that offer significantly improved corrosion resistance without sacrificing structural integrity.
What if my application requires a custom grade?
The wizard covers our most common standard grades (like EMT100, EMT210, etc.), but many specialized applications require a custom mix. Extramet can tailor both grain size and binder composition to your exact specifications. If the wizard doesn't yield a perfect match, select "Custom" or contact us directly for a bespoke solution.
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