GENERAL INFORMATION OF CASTING STEEL CYLPEBS High Chrome casting steel cylpebs combine a very high density with very high hardness. Our chrome steel cylpebs have excellent surface quality, high hardness and excellent wear properties, as a result of through hardening. 1. Size: Φ17mm - Φ130mm 2. Grade: ZQCr28, ZQCr17, ZQCr10, ZQCr1 3. Hardness: HRC55-66 4. Certification: TUV ISO9001, SGS, ISO14001, ISO45001 Casting Steel Cylpebs Fetures · Even hardness · Unbreakable · Grinding resistant · High impact value · High combined efficiency of grinding mill Cast Grinding Media classification and Chemical Composition Name C Si Mn Cr S P Mo High-Cr ball/Cylpebs ZQCr28 2.0-3.5 ≤1.0 ≤1.5 28-30…