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Cemented Carbide Grades for Wear Parts
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| Grade | Density
g/cm3 | Hardness
HRA | Strength
N/mm2 Min. | Applications | ISO |
| YG3 | 15.1-15.3 | 92-93 | 1700 | High Hardness, good wear resistance but lower strength, lower impact toughness.Suitable for drawing of thin steel wire,non-ferrous metal wire and alloy wire. | K05-K10 |
| YG3X | 15.1-15.3 | 92.8-94 | 1450 | High Hardness, good wear resistance but lower strength, lower impact toughness.Suitable for drawing of thin steel wire,non-ferrous metal wire and alloy wire with diameter of less than 6mm. | K05-K10 |
| YG6 | 14.85-15.1 | 90.5-92 | 2100 | Good hardness and normal strength, suitable for normal rods,bars,burrs... | K10-K20 |
| YG6X | 14.8-15 | 91.7-93 | 2000 | High wear resistance and high hardness. It is a popular grade for producing rods,plates,bars,nozzles and other wear parts. | K10-K20 |
| YG8 | 14.5-14.8 | 89-91 | 2300 | Good strength and impact toughness; suitable for plates,bars,saws,seal rings,tubes etc. And it is one of the most popular grade for wear parts. | K20-K30 |
| YG8X | 14.6-14.85 | 90-92 | 2500 | Good strength and impact toughness; suitable for plates,bars,saws,seal rings etc. And it is one of the most popular grade for wear parts. | K20-K30 |
| YG15 | 13.95-14.15 | 87-88.5 | 2300 | High Strength and impact toughness, but lower hardness and wear resistance. Normally used for producing the dies. | / |
| YG20 | 13.4-13.6 | 86-87 | 2450 | Suitable some special dies and some machinery parts. | / |
| ZK10UF | 14.75-14.95 | 92.6-93.6 | 2500 | Fine-grained alloy, good wear resistance and high strength.It is one of the most popular grade for rods,bars,tubes and other wear parts, which need high wear resistance and good cautery resistance and low impact toughness. | K10-K15 |
| ZK10UF-1 | 14.83-15.03 | 91.2-92.7 | 2600 | So Fine-grained alloy, good wear resistance and high strength. It is best for producing the submarine oil pump accessory, such as bushes and sleeves. | K10-K15 |
| ZK30UF | 14.3-14.55 | 91.2-92.2 | 2800 | Fine grain grade. Excellent wear resistance, high in strength and impact resistance. Suitable for rough machining of cast iron,non-ferrous metals,nonmetallic materials and heavy cutting. | K30 |
| YG6N | 14.9-15.1 | 90.5-92.5 | 2100 | Good wear resistance and cautery resistance, high strength and fine impact toughness. Suitable for the submarine oil pump parts such as bushes and sleeves with excellent impact toughness. | Ni: 5.7-6.3% |
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