Which is better, cemented carbide, YG8 and YG20?
YG8 is generally used to do small size drawing die, the wear force is not large, such as the impact is not great, requiring wear-resistant, with YG8;YG20 is generally used as cold stamping die, cold heading die and so on
YG8 contains about 8% cobalt, the hardness is higher than YG20, and the strength is lower than YG20,
YG8 and YG20 are two grades of cemented carbide. They are not good or bad. It depends on what occasion you use
