INTERN MPAPS A-52 PDF

This specification provides a means of specifying the surface metallurgical quality, as related to grinding temper of steel parts, primarily heat treated parts such as gears, bearings and crankshafts. It is intended to be used at the discretion of the design and materials engineers in applications acknowledged to be sensitive to material alterations resulting from grinding temper and should not be used indiscriminately for all ground parts. Reference section 7.0 (method of test) for evaluating this quality.