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Is tungsten carbide as hard as diamond?


As a professional manufacturer in the thermal spraying technology industry, Guangzhou Sanxin is committed to educating everyone about tungsten carbide—such as its hardness. Many people only know that tungsten carbide is relatively hard, so... Tungsten carbide spraying It can significantly enhance the product’s hardness, durability, and wear resistance.

 

 

Many people don’t really have much of a grasp on the hardness of different materials; they just know that diamonds are the hardest substance. In fact, “diamond” and “diamond” are simply two different names for the same material. Therefore, tungsten carbide is definitely not as hard as diamond.

Although tungsten carbide isn't as hard as diamond, it’s still extremely, extremely hard—ranking among the hardest substances known. According to our research, tungsten carbide has a Mohs hardness of roughly between 9 and 9.5, while diamond itself has a Mohs hardness of exactly 10. That’s right—the Mohs scale uses diamond’s hardness as its ultimate benchmark.

Although tungsten carbide is not as hard as diamond, it excels in several other physical properties. For instance, its stiffness can be twice that of steel, and its Young’s modulus ranges from approximately 530 to 700 GPa—also twice that of steel.

It is precisely because tungsten carbide has high hardness and excellent other properties that... Tungsten carbide spraying Technology will then see extensive application.

Relevant Information


The complete set of plasma-sprayed equipment has been shipped to the customer’s site in Thailand.

Core spraying equipment: SX-80 plasma spray main unit, with a 15,000℃ flame suitable for multiple materials including zirconia and silicon carbide; powder feeding accuracy of ±1%, and coating thickness tolerance ≤ ±5 μm. Environmental protection support system: Customized soundproof booth + pulse dust collector—effectively addressing spray noise pollution while achieving highly efficient dust recovery, compliant with Thai environmental standards. Automated equipment: 6-axis industrial robot + intelligent spray cart, enabling precise spraying of complex workpieces and automated loading/unloading, boosting production efficiency by 40%.


Live coverage from Fuzhou!

On-site engineers provide hands-on training, focusing on the core operations of plasma spraying equipment such as the SX-80. Sanxin has customized a complete solution for its customers, including an automated spraying robotic arm, a soundproof booth, and a dust removal system—ensuring both high spraying efficiency and compliance with environmental standards.


Guangzhou Sanxin Thermal Spraying Turntable Shipment

Guangzhou Sanxin Company manufactures single-station and multi-station thermal spray turntables, which can be paired with plasma equipment, supersonic equipment, and arc equipment. We offer rapid, customized production tailored to customer requirements and product dimensions. A thermal spray turntable is a high-precision rotary worktable specifically designed for thermal spraying processes—including flame spraying, plasma spraying, and arc spraying. By providing controllable rotational speed and exceptional stability, it ensures uniform coating thickness on the workpiece surface, thereby enhancing spraying efficiency and quality.


SX-80 plasma equipment is being used at a customer site in Russia.

SX-80 plasma equipment is being used at a customer site in Russia.

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