Tungsten Carbide is an important member of the class of inorganic compounds of carbon. It is used alone or with 6 to 20 percent of other metals to impart hardness to cast iron, cutting edges of saws and drills, and penetrating cores of armour-piercing projectiles.
| Tungsten Carbide | |
| Cas No. | 12070-12-1 |
| Chemical formula | WC |
| Molar mass | 195.85 g·mol−1 |
| Appearance | Grey-black lustrous solid |
| Density | 15.63 g/cm3 |
| Melting point | 2,785–2,830 °C (5,045–5,126 °F; 3,058–3,103 K) |
| Boiling point | 6,000 °C (10,830 °F; 6,270 K) at 760 mmHg |
| Solubility in water | Insoluble |
| Solubility | Soluble in HNO3, HF. |
| Magnetic susceptibility (χ) | 1·10−5 cm3/mol |
| Thermal conductivity | 110 W/(m·K) |
◆ Tungsten Carbide Powder Specifications
| Type | Average Particle Size Range（µm） | Oxygen Content (% Max.) | Iron Content (% Max.) |
| 04 | BET:≤0.22 | 0.25 | 0.0100 |
| 06 | BET:≤0.30 | 0.20 | 0.0100 |
| 08 | BET:≤0.40 | 0.18 | 0.0100 |
| 10 | F.s.s.s:1.01～1.50 | 0.15 | 0.0100 |
| 15 | F.s.s.s:1.51～2.00 | 0.15 | 0.0100 |
| 20 | F.s.s.s:2.01～3.00 | 0.12 | 0.0100 |
| 30 | F.s.s.s:3.01～4.00 | 0.10 | 0.0150 |
| 40 | F.s.s.s:4.01～5.00 | 0.08 | 0.0150 |
| 50 | F.s.s.s:5.01～6.00 | 0.08 | 0.0150 |
| 60 | F.s.s.s:6.01～9.00 | 0.05 | 0.0150 |
| 90 | F.s.s.s:9.01～13.00 | 0.05 | 0.0200 |
| 130 | F.s.s.s:13.01～20.00 | 0.04 | 0.0200 |
| 200 | F.s.s.s:20.01～30.00 | 0.04 | 0.0300 |
| 300 | F.s.s.s:＞30.00 | 0.04 | 0.0300 |
◆ Tungsten Carbide Powder Type
| Type | UMTC613 | UMTC595 |
| Total Carbon(%) | 6.13±0.05 | 5.95±0.05 |
| Combined Carbon(%) | ≥6.07 | ≥5.07 |
| Free Carbon | ≤0.06 | ≤0.05 |
| Main Content | ≥99.8 | ≥99.8 |
◆Chemical Component Impurities of Tungsten Carbide Powder
| Impurities | % Max. | Impurities | % Max. |
| Cr | 0.0100 | Na | 0.0015 |
| Co | 0.0100 | Bi | 0.0003 |
| Mo | 0.0030 | Cu | 0.0005 |
| Mg | 0.0010 | Mn | 0.0010 |
| Ca | 0.0015 | Pb | 0.0003 |
| Si | 0.0015 | Sb | 0.0005 |
| Al | 0.0010 | Sn | 0.0003 |
| S | 0.0010 | Ti | 0.0010 |
| P | 0.0010 | V | 0.0010 |
| As | 0.0010 | Ni | 0.0050 |
| K | 0.0015 |
Packing: In iron drums with double inner sealed plastic bags of 50kgs net each.
What is Tungsten Carbide Powder used for?
Tungsten Carbides have a wide range of application in many industry sectors such as metal machining, wear parts for mining and oil industries, metal forming tools, cutting tips for saw blades and have now expanded to include consumer items such as wedding rings and watch cases, plus the ball that is in many ball point pens.
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