Commercial vehicle brake disc/brake rotor 79787412 for YORK type.O.E.M.: 79787412Truck type:YORK;With ABS ring teeth.A: 377;B:41;C:169;D:138.5;E:196;raw material:grey iron;standards:HT 250;G3000;Certificate:TS16949;Package:poly wooden pallet;hard paper box,central pacakge or color box; 1.Chemical  specificationItemstandardsBrake discC3.1--3.43.3Si1.9--2.31.95Mn0.6--0.90.75P0.15 MAX0.1S0.12MAX0.08  2.Physical propertitiesItemstandardsBrake discTensile strength245 N/m㎡ MIN268Hardness HB187--241 HB230microstructureA 85% MIN B5%MAXA 92% MIN B 4%MAXDynamic balance Disc260 g-cm    MAX200 g-cmDynamic balance Drum1300 g-cm MAX500 g-cm  3.-Professional Manufacture 4.-Long Service Life