A supplier submits a material test certificate and everything looks acceptable on paper. The heat number matches, the tensile values fall within range, and the hardness numbers check out. Then the component cracks in service after six weeks. This scenario plays out more often than most quality engineers would like to admit. A certificate of conformance is not the same as actual material characterization. The numbers on a mill certificate tell you what the material was declare

Material Testing is the scientific and systematic process of examining and evaluating the physical, mechanical and chemical properties of raw materials, metals and manufactured products. It helps determine whether the material being used in a product is strong enough, durable enough and safe enough for real-world applications. Today, industries strongly depend on a Material Testing Laboratory Accredited by NABL to ensure that testing results are accurate, reliable and global