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This chapter provides additional detail and illustrations for the use of temper designations in the aluminum industry today for both wrought and cast alloys. This discussion expands on the basic Aluminum Association Temper Designation System as described in Chapter 2.
Engineering data for Aluminum Tempers including specifications and designations for the most common aluminum materials. Aluminum is a lightweight structural material that can be strengthened through alloying and, depending upon composition, further strengthened by heat treatment and/or cold working.
View a complete list of aluminum alloy tempers and their subdivisions. Find the right solution for your manufacturing or industrial application.
For example, Aluminum 5052-H32. 2XXX-, 6XXX-, and 7XXX-series aluminum can be precipitation hardened, or heat-treated, signified by a -T#, such as 6061-T6. The following reference chart depicts different aluminum tempers.
Annealed 6061 (6061-O temper) has maximum ultimate tensile strength no more than 150 MPa (22 ksi), [7] [8] and maximum yield strength no more than 83 MPa (12 ksi) [7] or 110 MPa (16 ksi). [8] The material has elongation (stretch before ultimate failure) of 10–18%.
To explain, we will give a basic background in the metallurgical process differences for Aluminum 6061 – specifically in the area of thermally treated temper designations -T6, -T651 and -T6511. There are other designations such as F (As Fabricated), O (Annealed), W (Solution Heat Treated, naturally) and H (Strain Hardened), but they are not ...
6061 aluminium alloy sheets, plates, rolled or cold-rolled wire, rods, bars, and drawn tubing are aged to a metal temperature of 160 °C (320 °F) and maintaining it for 18h. Extruded rods, rods, shapes and tubes; dies and hand forgings, rolled rings are aged to a metal temperature of 175 °C (345 °F) and held for 8 hours.
Aluminum Temper Chart. The following are the primary temper designations used with aluminum alloys: F (As Fabricated): No set control on properties during fabrication.
Tempering is a heat treatment process that is often done to aluminum grades to improve the properties. These are identified using a temper designation system: Among the most common are 6061-T4, 6061-T6, and 6061-O, each offering different properties and levels of hardness.
In addition to heat treating related attributes such as aging temperature, annealing temperature, and solution temperature, MatWeb has a complete list of mechanical, electrical and thermal properties and composition specifications for aluminum alloys.