Premium Tungsten Carbide Rod
- Extreme hardness HRA 89–94 (equivalent to HRC 70–85) — far surpassing high-speed steel
- Wear resistance 5–10 times higher than high-speed steel
- High transverse rupture strength (TRS) up to 4,000 N/mm² for superior toughness
- High elastic modulus 550–700 GPa ensures exceptional rigidity and minimal deflection under load
- Available in multiple grades: YG6, YG6X, YG8, YG10X, YG15, YL10.2, and custom compositions
- Diameter range: 1.0–42.0mm, length up to 330mm (standard), custom lengths available
- Surface finishes: unground (blank) and precision-ground
Description Of Premium Tungsten Carbide Rod
Premium Tungsten Carbide Rod is a high-performance composite material manufactured through powder metallurgy. It consists of tungsten carbide (WC) as the hard phase and metallic cobalt (Co) as the binder phase, with the material's performance derived from the synergistic effect of these two components. Through advanced sintering and precision processing, tungsten carbide rods achieve near-theoretical density and exceptional mechanical properties that far surpass traditional tool steels.
The tungsten carbide hard phase provides the material with its extreme hardness and wear resistance. With a hardness typically ranging from HRA 89 to HRA 94 — equivalent to HRC 70 to 85 — tungsten carbide rods are significantly harder than high-speed steel (approximately HRC 60 to 65). In terms of wear performance, tungsten carbide offers more than 5 to 10 times the wear resistance of high-speed steel, making it ideal for applications subject to high friction loads.
The metallic cobalt binder phase provides toughness and impact resistance. By adjusting the cobalt content — typically ranging from 3% to 25% — the material's hardness and toughness can be precisely balanced to suit different applications. Lower cobalt content (3–6%) yields higher hardness and wear resistance, while higher cobalt content (15–20%) improves toughness and impact resistance. The transverse rupture strength (TRS) of tungsten carbide rods generally ranges from 1,800 N/mm² to 4,000 N/mm², with some advanced grades achieving values exceeding 4,000 N/mm².
Tungsten carbide rods also possess a high elastic modulus (E modulus) of 550–700 GPa — approximately three times that of steel — providing exceptional rigidity and resistance to deflection under load. This combination of hardness, toughness, and rigidity makes tungsten carbide rods the material of choice for manufacturing high-performance cutting tools, molds, and wear-resistant components.
Features Of Premium Tungsten Carbide Rod
Extreme Hardness: Tungsten carbide rods offer hardness of HRA 89 to 94 (equivalent to HRC 70–85), far surpassing high-speed steel (HRC 60–65). This exceptional hardness ensures cutting edges remain sharp for extended periods, reducing tool change frequency and improving productivity.
Superior Wear Resistance: The wear resistance of tungsten carbide is 5 to 10 times higher than that of high-speed steel. This characteristic makes tungsten carbide rods ideal for applications subject to high friction loads, such as cutting tool edges and mold working surfaces.
High Strength and Toughness: Transverse rupture strength (TRS) generally ranges from 1,800 to 4,000 N/mm². Advanced grades such as YL10.2 achieve TRS values of 4,000 N/mm², balancing high hardness with good toughness. Nanocrystalline tungsten carbide rods can achieve TRS values exceeding 4,500 N/mm².
Exceptional Rigidity: With a high elastic modulus of 550–700 GPa — approximately three times that of steel — tungsten carbide rods provide outstanding rigidity and resist deflection under load, ensuring dimensional accuracy in high-speed machining operations.
Excellent Thermal Stability: Tungsten carbide maintains its hardness and mechanical properties at elevated temperatures, making it suitable for high-speed dry cutting conditions. The material's good thermal conductivity helps dissipate heat from the cutting zone.
Corrosion Resistance: Tungsten carbide offers good resistance to corrosion in various environments, extending the service life of components in demanding conditions.
High Compressive Strength: Tungsten carbide rods exhibit excellent compressive strength, making them suitable for high-pressure applications such as cold heading punches and stamping tools.
Multiple Grade Options: Available in a wide range of grades including YG6, YG6X, YG8, YG10X, YG15, YL10.2, and custom compositions to suit different applications.
Precision Dimensions: Available in diameters from 1.0mm to 42.0mm with standard lengths of 310–330mm. Precision-ground rods offer tight dimensional tolerances and excellent surface finish.
Coolant Hole Options: Available with one or two straight cooling holes, or spiral cooling holes for high-performance internal cooling applications.
Specifications Of Premium Tungsten Carbide Rod