Laboratory Testing receives Nadcap accreditation for grinding, polishing

Laboratory Testing Inc., Hatfield, Pa., has expanded its scope of Nadcap accreditation with the addition of Z2 low-stress grinding and polishing for fatigue specimen preparation. Its fracture mechanics lab performs high-cycle fatigue, low-cycle fatigue, fatigue crack growth, and fracture toughness testing. The in-house machine shop prepares specimens required for these tests and other mechanical testing services.

LTI’s Nadcap scope of accreditation in materials testing covers a range of chemical analysis, mechanical, metallography, and corrosion testing services, as well as weld evaluation, specimen heat treating, and specimen preparation. The company’s accreditation for specimen preparation according to AC7101/7 approves it for (Z) standard specimen machining, (Z1) low-stress grinding, (Z3) cast specimens, and (Z4) special preparation.