Applies to the indirect verification of these machines. Gives manufacture of standardized blocks, standardizing machine, standardizing procedure, numberof indentations, uniformity of hardness and marking.
Số hiệu tiêu chuẩn
ISO 674
Tên tiêu chuẩn
Metallic materials; hardness test; calibration of standardized blocks to be used for Rockwell hardness testing machines (scales A-B-C-D-E-F-G-H-K)
Ngày phát hành
1988-12-00
Tiêu chuẩn tương đương
SANS 55:1988*SABS ISO 674:1988 (1995-03-10) * DIN 51303 (1983-11), MOD * DIN EN 10004-3 (1991-05), IDT * 91/37668 DC (1991-03-01), MOD * BS 891-2 (1964-11-26), NEQ * BS EN 10109-3 (1996-01-15), NEQ * prEN 10004-3 (1991-02), IDT * SABS ISO 674:1988 (1995-03-10), IDT
Thay thế bằng
ISO 6508-3 (1999-09)
Từ khóa
Blocks * Boards * Calibration * Checks * Comparative tests * Comparison * Control samples * Dimensions * Hardness * Hardness measurement * Hardness testers * Hardness tests * Marking * Material testing machines * Materials * Materials testing * Metals * Production * Rockwell hardness * Samples * Specification (approval) * Test equipment * Testing * Tests