With regards to the transverse tensile strength, here is some more information that you may require:  The tensile bond strength between the mild steel and wear media needs to be greater than 24 MPa.  Mild steel yield strength greater than 345 MPa  Mild steel tensile strength greater than 410 MPa  Cemented Tungsten Carbide Cobalt wear liner Transverse Rupture Strength (ISO3327 B) 2000 –3000 N/mm2