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Carbide Rockwell Hardness: Why It's Tougher Than Steel.
When it comes to choosing the right material for your tools and equipment, hardness is a crucial factor to consider. One material that stands out in terms of hardness is carbide. Carbide is a compound consisting of carbon and one or more metallic elements, typically tungsten, titanium, or tantalum. Carbide is known for its exceptional hardness and durability, making it ideal for a wide range of applications, from cutting tools to wear-resistant coatings.
Here are some reasons why carbide Rockwell hardness is tougher than steel:
1. Carbide is harder than steel.
Carbide has a hardness rating of 80-90 on the Rockwell scale, which is significantly higher than the hardness rating of steel, which is typically in the range of 20-70. This means that carbide is more resistant to wear, abrasion, and deformation than steel, making it ideal for cutting, drilling, and milling applications where high precision and stability are required.
2. Carbide maintains its hardness at high temperatures.
One of the unique properties of carbide is its ability to maintain its hardness even at high temperatures. This is because carbide has a high melting point, typically in the range of 2700-3300°C, depending on the metallic element used. In contrast, steel typically melts between 1370-1530°C, which means that it can lose its hardness and strength at high temperatures, making it unsuitable for high-temperature applications.
3. Carbide is corrosion-resistant.
Another benefit of carbide is its excellent corrosion resistance. Carbide is highly stable and non-reactive, making it resistant to rust and corrosion, even in harsh environments. This makes it an excellent choice for tools and equipment that are exposed to moisture and chemicals.
4. Carbide has a high modulus of elasticity.
The modulus of elasticity is a measure of a material's ability to resist deformation under stress. Carbide has a high modulus of elasticity, typically in the range of 550-700 GPa, which is much higher than that of steel, which is typically in the range of 190-210 GPa. This means that carbide is more resistant to bending and deformation than steel, making it ideal for applications that require high strength and stiffness.
5. Carbide has a low coefficient of friction.
The coefficient of friction is a measure of a material's ability to resist sliding against another surface. Carbide has a low coefficient of friction, typically in the range of 0.3-0.4, which is much lower than that of steel, which is typically in the range of 0.5-0.8. This means that carbide is more slippery and less likely to stick or seize than steel, making it ideal for cutting and drilling applications.
In conclusion, carbide is an exceptional material that stands out for its hardness, durability, and resistance to wear, corrosion, and deformation. Whether you're in the market for cutting tools, wear-resistant coatings, or other high-performance applications, carbide is a material that should be at the top of your list. With its unbeatable combination of hardness, toughness, and versatility, carbide is the ultimate choice for professionals who demand the best.
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