ISO 3116:2007
(Main)Magnesium and magnesium alloys — Wrought magnesium alloys
Magnesium and magnesium alloys — Wrought magnesium alloys
ISO 3116:2007 specifies the chemical composition and mechanical properties of magnesium alloys for wrought products in the form of bars and solid sections, tubes and hollow sections, forgings, and plate and sheet.
Magnésium et alliages de magnésium — Alliages de magnésium corroyés
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Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 3116
Fourth edition
2007-04-15
Magnesium and magnesium alloys —
Wrought magnesium alloys
Magnésium et alliages de magnésium — Alliages de magnésium
corroyés
Reference number
ISO 3116:2007(E)
©
ISO 2007
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ISO 3116:2007(E)
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ISO 3116:2007(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope .1
2 Normative references .1
3 Designation .1
4 Requirements.2
5 Sampling.2
6 Test pieces .3
7 Test methods.3
8 Retests .3
9 Rounding of results.3
Annex A (informative) List of national designations corresponding to the ISO designation .10
Annex B (informative) Physical properties of wrought magnesium alloys.11
Annex C (informative) Heat-treatment schedules for wrought magnesium alloys .12
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ISO 3116:2007(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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
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.
ISO 3116 was prepared by Technical Committee ISO/TC 79, Light metals and their alloys, Subcommittee
SC 5, Magnesium and alloys of cast or wrought magnesium.
This fourth edition cancels and replaces the third edition (ISO 3116:2001), which has been technically revised.
The reason for this fourth edition is to clarify that requirements for chemical composition relate to cast
analysis, and to adjust elongation values for some alloys and tempers.
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ISO 3116:2007(E)
Introduction
This International Standard classifies the commercially available magnesium alloys into a number of grades
suitable for the application to which they might be put.
Some of the alloys referenced in this International Standard can be the subject of a patent or of patent
applications and their listing herein is not to be construed in any way as the granting of a licence under such
patent rights.
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INTERNATIONAL STANDARD ISO 3116:2007(E)
Magnesium and magnesium alloys — Wrought magnesium
alloys
1 Scope
This International Standard specifies the chemical composition and mechanical properties of magnesium
alloys for wrought products in the form of bars and solid sections, tubes and hollow sections, forgings, and
plate and sheet.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 31-0:1992, Quantities and units — Part 0: General principles
ISO 2092, Light metals and their alloys — Code of designation based on chemical symbols
ISO 6892, Metallic materials — Tensile testing at ambient temperature
EN 515, Aluminium and aluminium alloys — Wrought products — Temper designations
3 Designation
3.1 Material
The material shall be designated by symbols as given in Tables 1 to 11.
The material symbol designations are in accordance with ISO 2092.
NOTE A list of national designations corresponding to this International Standard is given in Annex A and a table of
physical properties of the listed alloys is given in Annex B.
3.2 Temper designation
The following symbols shall be used for temper designation:
⎯ O: annealed;
⎯ F: as fabricated;
⎯ H×8: fully hardened (strain hardened to give maximum ultimate tensite strength);
⎯ H×4: half hardened (strain hardened to give an ultimate tensile strength approximately midway between
that of annealed and H×8 temper);
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ISO 3116:2007(E)
⎯ H×2: quarter hardened (strain hardened to give an ultimate tensile strength approximately midway
between that of annealed and H×4 temper);
⎯ T5: cooled from an elevated temperature shaping process and then artificially aged;
⎯ T6: solution heat treated and then artificially aged.
The temper designations are in accordance with EN 515.
3.3 Designations of product form
The following symbols shall be used for product form:
⎯ B: bars and solid sections;
⎯ T: tubes and hollow sections;
⎯ F: forgings;
⎯ P: plate and sheet.
3.4 Designation for ordering
EXAMPLE
An order for magnesium bars, conforming to this International Standard, of magnesium alloy ISO-WD 21150, delivered in
the as-fabricated condition (F) is as follows:
ISO 3116 - ISO-MgAl3Zn1 (A) (or WD21150) - F - B
Tonnage and dimensions are to be specified in addition.
4 Requirements
4.1 Chemical composition
The chemical composition of wrought magnesium alloys, taken as cast analysis at the time the material is
cast, shall conform to the requirements for the appropriate material given in Table 1.
4.2 Mechanical properties
The minimum values of the mechanical properties of wrought products in magnesium alloys in the defined
temper conditions shall be as given in Tables 2 to 11.
4.3 Frequency of testing
The frequency of testing shall be subject to an agreement between the manufacturer and the purchaser.
5 Sampling
Conditions for sampling, formation of batches and frequency of verification shall be subject to an agreement
between the manufacturer and the purchaser.
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ISO 3116:2007(E)
6 Test pieces
Test pieces shall be taken in the longitudinal direction. For rolled flat products of thickness > 0,6 mm, test
pieces may be taken in the long transverse direction.
7 Test methods
7.1 Chemical composition
The determination of the alloying elements given in Table 1 shall be performed in accordance with normal
practice.
7.2 T
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