BS ISO 6279:2017 pdf download – Plain bearings — Aluminium alloys for solid bearings
1 Scope
This document specifies the composition and properties of preferred cast aluminium alloys for use in solid plain bearings. Other alloys can be specified with agreement between the manufacturer and user.
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. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 4384-2, Plain bearings — Hardness testing of bearing metals — Part 2: Solid materials
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at http:// www .electropedia .org/
— ISO Online browsing platform: available at http:// www .iso .org/ obp
4 Composition and mechanical properties
4.1 Composition
Preferred compositions are given in Table 1.
Methods of analysis shall be mutually agreed between the manufacturer and user.
4.2 Mechanical properties
Mechanical properties are given in Table 1.
Tensile strength and elongation are mandatory properties that are the subject of quality control checks carried out by the material manufacturers.
Hardness is a mandatory property that may be checked on individual bearings.
Typical values of other properties are given for design guidance.
5 Test methods
The tensile test shall be carried out as agreed between the manufacturer and user.
Test methods and mandatory values shall be agreed between the manufacturer and user.
Hardness testing shall be carried out in accordance with ISO 4384-2.
6 Designation
The designation shall include the following information, in the order given:
a) “Aluminium alloy”;
b) reference to this document, i.e. ISO 6279;
c) name of alloy.
EXAMPLE The aluminium alloy AlSn6Cu is designated by the following:
Aluminium alloy ISO 6279 – AlSn6Cu.BS ISO 6279 pdf download.