ISO/DIS 9418

Aerospace series -- Rivets, solid, in aluminium or aluminium alloys -- Procurement specification

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DRAFT INTERNATIONAL STANDARD
ISO/DIS 9418
ISO/TC 20/SC 4 Secretariat: DIN
Voting begins on: Voting terminates on:
2021-01-08 2021-04-02
Aerospace series — Rivets, solid, in aluminium or
aluminium alloys — Procurement specification
ICS: 49.030.60
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
This document is circulated as received from the committee secretariat.
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STANDARDS MAY ON OCCASION HAVE TO
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WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 9418:2021(E)
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TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
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PROVIDE SUPPORTING DOCUMENTATION. ISO 2021
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ISO/DIS 9418:2021(E)
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ISO/DIS 9418:2021(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Quality assurance ................................................................................................................................................................................................ 2

4.1 General ........................................................................................................................................................................................................... 2

4.1.1 Approval of manufacturers ..................................................................................................................................... 2

4.1.2 Acceptance of solid rivets ......................................................................................................................................... 2

4.2 Acceptance inspection and test conditions .................................................................................................................... 3

4.3 Use of “Statistical process control (SPC)” ........................................................................................................................ 3

5 Requirements and test methods .......................................................................................................................................................... 3

6 Records and test reports ...........................................................................................................................................................................10

7 Certificate of compliance ..........................................................................................................................................................................10

© ISO 2021 – All rights reserved iii
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ISO/DIS 9418:2021(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles,

Subcommittee SC 4, Aerospace fastener systems.

This second edition cancels and replaces the first edition (ISO 9418:1998), which has been technically

revised.
The main changes compared to the previous edition are as follows:
— ISO7966 superseded by ISO7870-3
— ISO8258 superseded by ISO7870-2
— ISO9002 superseded by EN9100
— ISO/TR 13425 canceled
— Subclause 5.2: optical devices introduced
— Subclause 5.4.1: ASTM B565 added

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2021 – All rights reserved
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DRAFT INTERNATIONAL STANDARD ISO/DIS 9418:2021(E)
Aerospace series — Rivets, solid, in aluminium or
aluminium alloys — Procurement specification
1 Scope

This International Standard specifies the characteristics and quality assurance requirements for solid

rivets made in aluminium or aluminium alloy for aerospace construction.
It is applicable whenever it is referenced in a definition document.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. The latest edition of the referenced document (including

any amendments) applies.

ISO 2859-1, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by

acceptance quality limit (AQL) for lot-by-lot inspection
ISO 7870-1, Control charts — Part 1: General guidelines
ISO 7870-2, Control charts — Part 2: Shewhart control charts
ISO 7870-3, Control charts — Part 3: Acceptance control charts

EN 9100, Quality management systems – Requirements for Aviation, Space and Defence Organizations

ASTM E112: Standard Test Methods for Determining Average Grain Size

ASTM B565: Standard test method for shear testing of aluminum and aluminum-alloy rivets and cold-

heading wire and rods
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1
batch

quantity of finished rivets, manufactured using the same process, from a single material cast (single

heat of alloy), having the same definition document number, diameter and length code, heat treated

together to the same specified condition and produced as one continuous run
3.2
rivet wire sample

length of wire, sampled at one end of the coil used for the manufacture of rivets of the batch

Note 1 to entry: The rivet wire samples must undergo the same heat treatments as the rivets of the batch, at the

same time.
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ISO/DIS 9418:2021(E)
3.3
rivet sample
rivet sampled at random from the batch
3.4
definition document
document specifying directly or indirectly all the requirements for rivets

Note 1 to entry: The definition document may be an International Standard, an in-house standard or a drawing.

3.5
crack

rupture in the material which may extend in any direction and which may be intercrystalline or

transcrystalline in character
3.6
seam
longitudinal open surface defect
3.7
lap

surface defect caused by folding over metal fins or sharp corners and then forming them into the surface

3.8
cold shut
doubling over of metal which may occur during the cold heading operation
3.9
blistering

defect in the metal on or near the surface, resulting from expansion of gas in a sub-surface zone

3.10
pit

small cavity in a metal surface caused by non-uniform electrodeposition or by corrosion

4 Quality assurance
4.1 General
4.1.1 Approval of manufacturers

The manufacturer’s operations shall be an approved production organization for aerospace products

and shall demonstrate that is has implemented and is able to maintain a quality management system

(e.g. according to EN 9100 or another in aerospace accepted and established quality management

system).
4.1.2 Acceptance of solid rivets

The purpose of acceptance inspection and tests of a solid rivet is to check, as simply as possible, using

a method which is inexpensive but the most representative of the actual conditions of use, with the

uncertainty inherent in statistical sampling, that the solid rivets satisfy the requirements of this

International Standard.

Acceptance inspections and tests shall be carried out by the manufacturer, or under his responsibility.

The manufacturer is responsible for the quality of the solid rivets manufactured.

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ISO/DIS 9418:2021(E)
4.2 Acceptance inspection and test conditions

Acceptance inspections and tests (requirements, methods, numbers of solid rivets) are specified in

Table 1. They shall be carried out on each batch. Solid rivets shall be selected from the batch to be

tested by simple random sampling.

Each solid rivet may be submitted to several inspections or tests, provided that none of its characteristics

has been alte
...