Metallurgical Testing’s covers Rockwell Hardness Testing’s HRA, HRB & HRC grades., Portable hardness Testing’s HL、HB、HRB、HRC、HRA、HV、HS Testing’s , Micro Vickers hardness Testing’s ,Case depth Testing’s , Microstructure testing’s ,Nitride layers , diffusion , compound ( white ) , oxide layer testing’s ,inclusion & grain size analysis
