SAE AS7101

This standard establishes the minimum requirements for materials testing laboratories (MTL) accredited by NADCAP. The following test methods and processes for metallic material systems are covered in this standard. a Chemical b Mechanical c Metallography and Microhardness d Hardness e Corrosion and Oxidation f Mech. Test Specimen Preparation g Differential Thermal Analysis h Heat Treat of Specimens i Other Non-Conventional/Engineering Tests j Fastener Testing Slower quench rates tend to produce lower tensile strength in Quench + Temper and Solution + Age alloys. For example, properties of water quenched specimen material may not adequately represent oil or air quenched parts. (And in most cases, specimen material has less effective thickness -- hence a naturally faster cooling rate -- than the parts represented even when the same type quench is used.)

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