This report lists approximate hardness conversion values; test methods for Vickers Hardness, Brinell Hardness, Rockwell hardness, rockwell Superficial Hardness, Shore Hardness; and information regarding surface preparation, specimen thickness, effect of curved surfaces, and recommendations for Rockwell surface hardness testing for case hardened parts.
Số hiệu tiêu chuẩn
SAE J 417
Tên tiêu chuẩn
Hardness Tests and Hardness Number Conversions
Ngày phát hành
1983-12-01
Tiêu chuẩn liên quan
ASTM E 10 (1978) * ASTM E 18 (1979) * ASTM E 92 (1972) * AN-QQ-H-201
Từ khóa
Automotive engineering * Hardness * Hardness measurement * Mechanical * Properties * Steels * Surfaces * Vehicles * Surface hardness * Mechanical properties
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