The QML20Cr produced by XINGTAI STEEL has characteristics of stable chemical composition, low percentage of harmful elements, high purity, slight decarburisation, good surface quality. After spheroidize annealing, this product has characteristics of good cold heading properties ,stable heat-treatment properties and good hardenability. A customer of XINGTAI STEEL used this material to make seat gear and fed back that the product quality was stable and met the product demand.