Quality of wear resistant steel plate to identify the quality of the appearance of flatness: the four corners of the tablet, the weld cracking: evenly spaced, small cracks, to expand not wide; the surfacing layer dimensions: the level of formation, there is no obvious uneven welding defects: surface paint within reasonable limits; : paint Bohou uniform, putty; around the cutting edge: straight line, no flash; forming a good large plasma cutting machine, the intrinsic quality of the wear layer thickness: the measured polished, surfacing layer is obvious, take multi-point measurement averaging ; the total thickness of the steel sheet: control within the allowable range of ± 0.5 mm Hardness: within the required range, HRC55-62 component: if possible to carry out measurements, detection of the alloy composition; metallographic: If possible do metallographic analysis;