汽车的一部分-刹车碟片

Our manufacturing is operated under strict quality control systems, includingISO9002 & QS9000 & VDA6.1. 100% inspections are conductedfor material, structure, dimension, dynamic balance and trace. Auto Part - Brake Disc mechanical properties 1) Tensile strength: 210Mpa 2) Hardness: HB187 - 241 3) Statement of graphite: 90% of the graphite is lamella, with a remainderof no more than 10%, lamellagraphite is mostly is type "A" 4) Length of graphite: According to ASTM A247 4 grade - 5 grade 5) Pearlite: More than 90% .