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Mechanic Properties of Common Cemented Carbide Grades for Precision Wear Parts
Grade | Hardness HRA | Transverse Rupture Strength N/mm2 | Impact Toughness (N.m/cm2) | Material features and recommended applications |
YG5 | 93.1 | 2500 | 4.7 | Superior wear resistance, good comprehensive properties, suitable for making non-standard structure components with higher wear resistance. |
YG15 | 87.5 | 3300 | 5.5 | Good strength andf impact toughness, suitable for making non-standard structurer and mechanic components in working conditions of large stress. |
YG9C | 88 | 3000 | 6.5 | Good wear resistance, high strength, suitable for nozzles and sleeves of water spray hole of PDC drill bits and cone roller bits. |
YG11C | 87.3 | 3100 | 6.8 | Better wear resistance, good impact resistance, suitable for high pressure nozzles in the petroleum, chemical and chenic industries. |
YG20C | 83.5 | 2600 | 8.5 | Optimal strength and impact, toughness, suitable for making non-standard structure and mechanic components in working conditions of very large stress. |
ZLT10 | 89.5 | 2000 | 5.5 | Good wear, corrosion and thermal shock resistance, non-magnetism, light specific gravity, high pumping effect, suitable for making valve ball, valve seat of back pressure valve of oil raising pump. |
ZK30 (YG8) | 90.2 | 3000 | 3.2 | Good wear resistance and higher strength, suitable for making non-standard structure and mechanic components under working conditions of normal stress. |
| ZK35.5 | 87.3 | 2900 | 5.2 | Good corrosion resistance and strength, suitable for impact resistant seal-ring. |
ZN106G | 91.5 | 2500 | 4.8 | Good wear and corrosion resistance, suitable for making parts of corrosion resistant submerged oil pump and acid proof pump. |
| ZN109G | 90.5 | 2800 | 5.4 | Good wear and corrosion resistance, suitable for making parts of the drink water pump. |
| ZN211G | 88.6 | 3000 | 5.1 | Good corrosion resistance, high strength, suitable for making parts of corrosion and impact resistant submerged oil pump. |
| ZK10F-1 | 92 | 2900 | 3.9 | Good wear resistance and strength, suitable for making parts of standard and deep-sea submerged oil pump. |
ZK10F-1 | 91.7 | 3100 | 7.6 | Higher wear resistance and strength, suitable for making impact resistant non-standard structural and mechanic components. |
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