size:163*139*1.6/OL12 high friction coefficient low fading competitive price ,perfect quality delivery in time

  performance and parameter of  steel mating plate

material	hardness(hrc)	angularity(mm)	surface coarseness
45# 65Mn	37-47 45-50	Φ100-Φ250  0.10 Φ250-Φ350  0.15 Φ350-Φ450  0.25 Φ450-Φ550  0.30	√3.2-√0.8

FRICTION DISC M2X120 STEEL FOR EXCAVATOR