GCr15 bearing steel

Product Name: Bearing Steel

　　Product Type: GCr15

　　Standard: YB (T) 1-1980

　　● Features and Scope: good overall performance, quenching and tempering, the hardness of high and uniform, wear resistance, and contact fatigue strength. Good thermal processing of steel, the ball good after annealing machinability.Wall thickness should be made ≤ 12mm, ≤ 250mm diameter all bearing rings, ball diameter ≤ 50mm, conical, spherical roller diameter ≤ 22mm and all size needle; can also be used to make measuring tools, mold, wood cutting tools

● Chemical Composition:

　　Carbon C: 0.95 ~ 1.05

　　Si Si: 0.15 ~ 0.35

　　Manganese Mn: 0.25 ~ 0.45

　　S S: ≤ 0.025

　　P P: ≤ 0.025

　　Chromium Cr: 1.40 ~ 1.65

　　Ni-Ni: ≤ 0.30 to allow the residual content

　　Copper Cu: ≤ 0.25 to allow the residual content

　　Mo Mo: ≤ 0.08 to allow the residual content

　　Note: Allow the residual content of Ni + Cu ≤ 0.50

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