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AS 1816-1990

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Metallic materials - Brinell hardness test
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

30-06-2017

Language(s)

English

Published date

01-01-1990

Preview

1 - AS 1816-1990 - METALLIC MATERIALS - BRINELL HARDNESS TEST
4 - PREFACE
5 - CONTENTS
6 - SECTION 1 SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 REFERENCED DOCUMENTS
6 - 1.3 DEFINITIONS
6 - 1.3.1 Calibration
6 - 1.3.2 Calibrating authority
6 - 1.3.3 Hardness test blocks
6 - 1.3.4 Standard hardness blocks
6 - 1.3.5 Standardizing authority
6 - 1.3.6 Test piece
6 - 1.3.7 Test specimen
6 - 1.4 PRINCIPLE OF TEST
7 - 1.5 DESIGNATION OF BRINELL HARDNESS
7 - 1.6 TABLES OF HARDNESS VALUES
7 - 1.7 HARDNESS CONVERSIONS
8 - SECTION 2 TESTING OF METALS
8 - 2.1 SCOPE OF SECTION
8 - 2.2 RELATION OF FORCE TO BALL DIAMETER
8 - 2.3 TESTING MACHINE
8 - 2.3.1 General
8 - 2.3.2 Installation
8 - 2.3.3 Calibration
8 - 2.3.4 Indenting forces
9 - 2.4 INDENTER
9 - 2.4.1 Description
9 - 2.4.2 Diameter of ball
9 - 2.4.3 Hardness of ball
9 - 2.5 MEASURING APPARATUS
9 - 2.5.1 Illumination
9 - 2.5.2 The measuring scale
9 - 2.6 SUPPORT OF TEST PIECE
9 - 2.7 PERFORMANCE OF MACHINE
9 - 2.8 MAINTENANCE OF THE TESTING MACHINE BY THE USER
9 - 2.8.1 General
9 - 2.8.2 Inspection of components and operation
9 - 2.8.3 Performance check tests by the user
10 - 2.8.4 Record of user tests
10 - 2.8.5 Assessment of results of user tests
10 - 2.9 TEST PIECE
10 - 2.9.1 Preparation of test piece
10 - 2.9.2 Thickness of test piece
11 - 2.10 TEST PROCEDURE
12 - 2.11 RECORD OF TEST RESULTS
13 - 2.12 TEST REPORT
14 - SECTION 3 COMPLETE CALIBRATION OF THE TESTING MACHINE
14 - 3.1 GENERAL
14 - 3.2 PRELIMINARY INSPECTION
14 - 3.3 INDENTING FORCES
14 - 3.3.1 Range of nominal forces
14 - 3.3.2 Calibration of applied forces
14 - 3.4 CALIBRATION OF BALLS
14 - 3.5 MEASURING APPARATUS
15 - 3.6 PERFORMANCE TEST
15 - 3.7 RECORD OF RESULTS
15 - 3.8 REPORT OF COMPLETE CALIBRATION
16 - SECTION 4 PARTIAL CALIBRATION OF THE TESTING MACHINE
16 - 4.1 GENERAL
16 - 4.2 PRELIMINARY INSPECTION
16 - 4.3 INDENTING PROCEDURE
16 - 4.4 ASSESSMENT OF PERFORMANCE
16 - 4.4.1 Acceptance
16 - 4.4.2 Repeatability
17 - 4.4.3 Error
17 - 4.5 RECORD OF RESULTS
17 - 4.6 REPORT OF PARTIAL CALIBRATION
18 - SECTION 5 CALIBRATION OF STANDARD HARDNESS BLOCKS
18 - 5.1 GENERAL
18 - 5.2 REQUIREMENTS FOR STANDARD HARDNESS BLOCKS
18 - 5.3 CALIBRATION OF STANDARD HARDNESS BLOCKS
18 - 5.3.1 Procedure
18 - 5.3.2 Uniformity of hardness
18 - 5.3.3 Assigned value
18 - 5.3.4 Report
19 - 5.4 STANDARDIZING MACHINE
19 - 5.4.1 General
19 - 5.4.2 Indenting forces
19 - 5.4.3 Ball indenter
19 - 5.4.4 Measuring apparatus
19 - 5.4.5 Duration of force application
19 - 5.4.6 Measurement of indentation
19 - 5.4.7 Verification of standardizing machine
20 - SECTION 6 CALIBRATION OF BALL INDENTERS
20 - 6.1 GENERAL
20 - 6.2 SURFACE CONDITION
20 - 6.3 DIAMETER
20 - 6.4 HARDNESS
21 - APPENDIX A - TABLES OF BRINELL HARDNESS VALUES
21 - A1 GENERAL
21 - A2 APPLICATION

Sets out requirements for measuring the Brinell hardness of metals and for the installation, calibration and maintenance of the testing machine. It also specifies requirements for the calibration of standard hardness blocks and ball indenters. In this edition, the testing and calibration requirements have been combined into one Standard.

This Standard sets out methods for measuring the hardness of metals and metal products on scales of Brinell hardness. It includes requirements for the installation and calibration of the testing machine, and recommendations for its maintenance by the user.NOTE: In some Brinell hardness testing machines, the indentation measuring apparatus is integral with the machine. In others, the function of the machine is limited to the indenting process, the measurement of the indentation being made separately. It is acceptable, therefore, for the indenting process to be performed in a compression testing machine which has suitable indenter attachments and which can apply the appropriate force in accordance with this Standard.This Standard does not preclude the use of portable hardness testing machines which meet those requirements of Section 2 which are appropriate to non-portable machines.

Committee
MT-006
DocumentType
Standard
ISBN
0 7262 6461 X
Pages
29
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Under Revision see DR 02227. Under Revision see DR 02395 CP. Under Revision see DR 02398 CP

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