Request for Retained Austenite Depth Measurement – AMS5678G

We are seeking an accredited testing laboratory with demonstrated capability to measure Retained Austenite Depth in accordance with AMS 5678G, specifically Section 3.3.2.2. The laboratory should be experienced in metallurgical characterization of specialty alloys and able to provide compliant test methods, documentation, and reporting suitable for aerospace or high-performance material qualification.