K gold is an alloy. The main metal of this alloy is gold, which can be divided into 1k ~ 24K according to the gold content k, and the gold content represented by 1666%. Theoretically, 24k gold is pure gold with 100%, but in fact there is no gold with 100% gold content. Generally, gold with a gold content of 99.6% is called 24k gold.
Compared with ordinary gold, K gold has relatively small gold content and low cost. Moreover, the color of K-gold is richer, and it can present many colors such as rose, yellow, red, blue, black and white. At the same time, it has the characteristics of high hardness, wear resistance, difficult deformation and stable performance.
K gold is one of the main metal materials used to make exquisite jewelry in the jewelry market. Among them, the common K gold is 18k, 20k and 22k, which refer to gold with gold content of 75%, 83.3% and 9 1.6% respectively. This kind of K gold has the characteristics of good ductility and strong toughness.