Use of Products: GCr15 is a commom steel which is used to produce balls and rings of bearing. The product has characteristics of uniform-chemical composition, low percentage of harmful elements, high purity, well-distributed carbide, good surface quality. It also has characteristics of wide scope of plastic，stable heat-treatment quality, uniformand high hardness, high wear resistance，high strength of touching fatigue. It has excellent machining property afer spheroidize annealing.