ISO 3738-2:1988

Hardmetals — Rockwell hardness test (scale A) — Part 2: Preparation and calibration of standard test blocks

Publication date: Dec 29, 1988

General information

Current stage: 90.20 Effective date: Apr 15, 2026

Originator: ISO

Owner: ISO/TC 119/SC 4

Type: International Standard

ICS: 77.040.10 77.160

Languages: French English

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Status: Published

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Scope

Specifies primary standard test blocks, secondary standard test blocks and working standard test blocks calibrated from master standard test blocks to be used for the verification of Rockwell hardness testing machines and indenters for testing hardmetals. This part of ISO 3738 should be read in conjunction with ISO 3738-1.

Life cycle

NOW

PUBLISHED
ISO 3738-2:1988
90.20 Standard under periodical review
Apr 15, 2026

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