Tungsten carbide burrs have been used widely in the shipping construction, auto engine porting and foundry fabrication. With its high rotating speed and hardness, it can machine a lot of different materials, such as cast iron, carbon steel, alloy steel and non ferrous material. High life service of product is warranted for virgin and excellent raw material which is one of most critical factors to the carbide burr’s life.
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Grade list
| Grade | ISO Code | Chemical Composition(%) | Physical Mechanical Properties (≥) | Application | ||||
| WC | Co | Density g/cm3 | Hardness(HRA) | T.R.S N/mm2 | ||||
| YG3 | K01 | 97 | 3 | 14.9-15.3 | ≥91 | ≥1180 | Suitable for finishing of cast iron,non-ferrous metals,alloys and non-metallic materials,and semi-finishing vehicles for intermittent cutting. | |
| YG6 | K10 | 93.5 | 6 | 14.8-15.1 | ≥92 | ≥1420 | Finishing of chilled hard alloy cast iron and heat resistant alloy steel and ordinary cast iron. | |
| YG6X | K20 | 94 | 6 | 14.7-15.1 | ≥91 | ≥1600 | Cast iron, non-ferrous metals and alloys, non-metallic materials, medium to cutting, semi-finishing and finishing. | |
| YG8 | K20-K30 | 92 | 8 | 14.5-14.9 | ≥90 | ≥1600 | Suitable for casting of cast iron, non-ferrous metals and their alloys and non-metallic materials, roughing of sections and rough cutting. | |
| YG10 | K40 | 90 | 10 | 14.3-14.7 | ≥89 | ≥1900 | Suitable for the production of drawing dies, wear parts and stamping parts and cores for hard alloy automatic presses. | |
| YG10X | K40 | 89 | 10 | 14.3-14.7 | ≥89.5 | ≥2200 | Suitable for small diameter micro drills, end mills, rotary boring tools, etc. | |
| YG15 | K30 | 85 | 15 | 13.9-14.2 | ≥87 | ≥2100 | Forging, perforating and stamping tools for steel bars and steel tubes with high compression ratios and working under large stresses. | |
| YG20 | K30 | 80 | 20 | 13.4-13.7 | ≥85.5 | ≥2500 | Stamping die, stamping watch parts, musical instrument spring piece. | |
| YG20C | K40 | 80 | 20 | 13.4-13.7 | ≥85.5 | ≥2200 | punching battery case, toothpaste skin mold, small size steel ball, screw, nut stamping die, hot rolling twist drill bit plate. | |
| YG30 | G60 | 70 | 30 | 12.80 | ≥82 | ≥2750 | Production of standard parts, bearings, tools and other industries for cold heading, cold punching, cold pressing die. | |
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