T10 Cooled from an elevated temperature shaping process. The aluminum is heat treated by carrying out a solution treatment process, in which the metal is heated to an elevated temperature followed by rapid cooling, then a precipitation hardening process (or “aging” process). The analysis of a curious metal ornament found in the tomb of Chou-Chu, a military leader in 3 rd century China, turned out to be 85% aluminium. But it is important to recognize and understand what the letters and numbers mean. T3510 Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar, shapes and tube, 0.5% to 3% for drawn tube) and naturally aged. The first digit indicates the specific combination of basic operations, as follows: H-1 Strain-hardened only: Applies to products which are strain-hardened to obtain the desired mechanical properties without supplementary thermal treatment The number following this designation indicates the degree of strain-hardening. datiou UNS No. Aluminum is usually named in 4 numerical digits and follows by a temper designation. Currently there are over 400 wrought aluminum and wrought aluminum alloys and over 200 aluminum alloys in the form of castings and ingots registered with the Aluminum Association. The tempers are designated by –T followed by a digit. Applies to products which are cold worked to improve strength, or in which the effect of cold work in flattening or straightening is recognized in mechanical property limits. -0 Annealed, recrystallized (wrought products only): Applies to the softest temper of wrought products. Four basic temper designations are used for aluminum alloys. H-2 Strain-hardened and then partially annealed: Applies to products which are strain-hardened more than the desired final amount and then reduced in strength to the desired level by partial annealing. Applies to products for which the rate of cooling from an elevated temperature shaping process, such as casting or extrusion, is such that their strength is increased by room temperature aging. In this case 2 = 1/4 hard.Aluminum/magnesium alloy The Aluminum Alloy Temper and Designation System - In North America, The Aluminum Association Inc. is responsible for the allocation and registration of aluminum alloys. Laurence M. Perks Example: Purple = 275°C / 545°F Applies to products which are cooled from an elevated temperature shaping process, such as casting or extrusion, and then artificially aged to improve mechanical properties or dimensional stability or both. The following temper designations have been assigned for wrought products heat-treated from 0 or F temper to demonstrate response to heat-treatment. The second digit indicates strain hardening to the following degrees: The following three digit -H temper designations have been assigned for wrought products in all alloys: -H111, -H311 and -H321 apply to products which are strain-hardened less than the amount required for -H11, -H31 and -H32, respectively. -H Strain-hardened (wrought products only): Applies to products which have their strength increased by strain-hardening with or without supplementary thermal treatments to produce partial softening. Melting Temperature of Metals Table Chart. We guarantee that your information will not be … Qualitative representation of continuous increase in corrosion resistance and decrease in strength from T79 to T73 (T77 excluded).4,5 of … The melting point (or, rarely, liquefaction point) of metals is the temperature at which a substance changes state from solid to liquid at atmospheric pressure. In fact, its typical strength in the T6 temper is higher than most mild steels. The amount of time at temperature for these particular alloys must only be enough to thoroughly heat either the entire work-hardened area or the complete part. We are looking for a chart that describes what the Webster reading should be for the following: 6061 T6 6005 T5 6066 T5 6063 T6 6064 T4. Five aluminium alloy temper designations. The temper designation follows the alloy designation and is separated from it by a hyphen. T4 Solution heat-treated and naturally aged to a substantially stable condition. 5052= Aluminum/magnesium alloy, H3 = strain hardened and stabilized by low temperature heating. OUR ROLE Growing Aluminum’s Voice Developing Key Research Txx511-Products that may receive minor straightening after stretching to comply with standard tolerances. Related Topics . 1 Machinery's Handbook, 18th Edition, 1970, Industrial Press (Color text the same from 5th to 20th Editions with exception of the addition of Light blue at 640°F). Applies to the following products when stretched the indicated amounts after solution heat-treatment or cooling from an elevated temperature shaping process. Temper designations T42 and T62 may also be applied to wrought products heat-treated from any temper by the user when such heat-treatment results in the mechanical properties applicable to these tempers. The last digit after the second representing the hardness on the Aluminum. Applies to products which are stress-relieved by compressing after solution heat-treatment, or cooling from an elevated temperature shaping process to produce a permanent set of 1 to 5 percent. ALUMINUM ASSOCIATION ALLOY TEMPER DESIGNATION SYSTEM John Weritz – The Aluminum Association Ladan Bulookbashi – The Aluminum Association Francesca Licari – The Aluminum Association February 24, 2016 . 7075 is the other “aircraft grade” aluminum. Applies to products which are cold worked to improve strength. The versatility of aluminium makes it the most widely used metal after steel. T8 Solution heat-treated, cold worked, and then artificially aged. Applies to products which are artificially aged after cooling from an elevated temperature shaping process, such as casting or extrusion, and then cold worked to further improve strength. Aluminum 6061-T6 Square Tube. The specifications, properties, classifications and class details are provided for aluminium and aluminium alloys. United Aluminum can supply 6061 in the annealed temper for maximum formability. T9 Solution heat-treated, artificially aged, and then cold worked. Txx52 Stress-relieved by compressing. Aluminum Melting Point, Steel Melting Point, Gold Melting Temperature The main alloy ingredients of 6061 aluminum ... GENERAL ALUMINUM INFORMATION 1100 This grade is commercially pure aluminum. Temper designations of wrought aluminum alloys consist of suffixes to the numeric alloy designations. If steel is heated in an oxidizing atmosphere - like air - a film of oxide forms on the surface and the color changes as the temperature increases. Add: 15F, Building 3, Futian Fortune Plaza, Eastern Hanghai Road, Zhengzhou City, Henan Province, China. The formed parts can be subsequently heat treated to higher strength. Alloy designations are four-digit numbers. The Aluminum Alloy Temper and Designation System. R209 Si Coml]m~don, wt~) Fe Cu Mn Mg Cr Ni Zn Ga V Sl~Cm~ other dements 3'1 Unspecmed I other Applies to products which are not cold worked after solution heat-treatment, or in which the effect of cold work in flattening or straightening may not be recognized in mechanical property limits. Table 1 Typical mechanical properties of wrought aluminum alloys(a) Tension Elongation, % Alloy and temper Strength, ksi Ultimate Yield In2in. Figure 1. In North America, The Aluminum Association Inc. is responsible for the allocation and registration of aluminum alloys. Applies to embossed or patterned sheet or strip, fabricated from the corresponding Hxx temper. Various industries have different material specification methods. This designation applies only to the magnesium-containing alloys which, unless stabilized, gradually age-soften at room temperature. When it comes to choosing the right grade of aluminum for a particular application, it’s best … Aluminum alloy temper designations are described in terms of heat treating, strain hardening, aging, etc. Originally called "Alloy 61S", it was developed in 1935. The temper designation also reveals the method by which the hardness was obtained. WHO WE ARE The Aluminum Association 111 . 6061 is commonly used for structural components, screw machine parts, frames, brackets, jigs, fixtures, base ... Understanding Extruded Aluminum Alloys ... Tempers for Aluminum and Aluminum Alloy Products. T3 Solution heat-treated and then cold worked. Here is a chart that contains the yield strength and tensile strength of aluminum in varying tempers. Approximate Hardness Conversion Numbers for Wrought Aluminum Products: Brinell Hardness No. This heat treatment is called aging, which results in material with a T6 temper. Applies to extruded rod, bar, shapes and tube and to drawn tube when designated as follows: Txx 510-Products that receive no further straightening after stretching. T5 Cooled from an elevated temperature shaping process and then artificially aged. It is one of the most common alloys of aluminum for general-purpose use. H-3 Strain-hardened and then stabilized: Applies to products which are strain-hardened and then stabilized by a low temperature heating to slightly lower their strength and increase ductility. 1⁄ 16 in. The -H is always followed by two or more digits. Rod, bar, shapes, extruded tube: 1 to 3% permanent set. For the most part, this generic raw material requirement is used because a part may be fabricated from plate, extruded or rolled material. The main processing methods include hot working, cold working, solution heat treatment, aging treatment, annealing treatment, etc. The number following this designation indicates the degree of strain-hardening remaining after the product has been partially annealed. How it was produced remains a mystery. Applies to cast products which are annealed to improve ductility and dimensional stability. 2-H Strain-hardened (wrought products only): Applies to products which have their strength increased by strain-hardening with or without supplementary thermal treatments to produce Subdivisions of H Temper: Strain-Hardened The -H is always followed by two or more digits. ... 6061 -T4 6061 -T6, T6511, Copyright @2016 Jianhui Aluminum Privacy Policy All rights reserved.sitemap, Add : 15F, Building 3, Futian Fortune Plaza, Eastern Hanghai Road, Zhengzhou City, Henan Province, China. An unstable temper applicable only to alloys which spontaneously age at room temperature after solution heat-treatment This designation is specific only when the period of natural aging is indicated; for example, W 1/2 hour. The basic temper designations and subdivisions are as follows: -F As fabricated: Applies to products which acquire some temper from shaping processes not having special control over the amount of strain-hardening or thermal treatment For wrought products, there are no mechanical property limits. 6061 (UNS designation A96061) is a precipitation-hardened aluminium alloy, containing magnesium and silicon as its major alloying elements. An example would be 7075-T73 where -T73 is the temper designation. Aluminium products with specific properties and forms are identified by alloy and temper designations. Tempering is a process of heat treating, which is used to increase the toughness of iron-based alloys.Tempering is usually performed after hardening, to reduce some of the excess hardness, and is done by heating the metal to some temperature below the critical point for a certain period of time, then allowing it to cool in still air. aluminum 6061 temper chart . It has good mechanical properties, exhibits good weldability, and is very commonly extruded (second in popularity only to 6063). CAUTION: Use in a well-ventilated area—vapors from heating process may be irritating to sensitive individuals. Aluminum temper chart The processing methods of aluminum alloy are different according to the specific use requirements. artificially aged and then cold worked. T2 Annealed (cast products only). T62 Solution heat-treated from the 0 or F temper to demonstrate response to heat-treatment and artificially aged. 2 Edge of the Anvil, Jack Andrews, 1977, Skipjack Press.. 3 Metals for Engineering Craftsman, C.O.S.I.R.A., London England.Temperatures given at tens and fives in Celsius. For example, 5052-H32. For alloys that age-soften at room temperature, the -H2 tempers have approximately the same ultimate strength as the corresponding -H3 tempers. Its principal alloying ingredients are zinc and copper, this makes it one of the highest-strength aluminum alloys that are available. In case of skin irritation, immediately wash skin with soap and water; for contact with eyes, immediately flush with water. The T8 and T9 tempers offer better chipping characteristics over the T6 temper. We own a hand held Webster tester for checking the hardness of our aluminum extrusion but we do not have a table of Webster hardness for the various alloys and temper we use. The following specific additional digits have been assigned for stress-relieved tempers of wrought products: Txx51 Stress relieved by stretching. aluminum alloy temper designations, the typical mechanical properties of representative wrought and cast aluminum alloys are presented in Tables 1 and 2, respectively. Numerals 1 through 10 following the T indicate specific sequences of basic treatments, as follows: T1 Cooled from an elevated temperature shaping process and naturally aged to a substantially stable condition. ... 6061 This is the least ... ALUMINUM TEMPER DESIGNATIONS, Table M2 - Common Aluminum Alloys and their Applications Aluminum Alloy and Temper Typical Properties and Applications 1100-O. Note that oil baths and salt bats are also used extensively for tempering steel tools. Basic Aluminum Temper Designations The temper designation appears as a hyphenated suffix to the basic alloy number. It is not easy, at a glance, to make sense of temper designations. These products receive no further straightening after stretching. Note, careful consideration of alloy microstructures may LIGHT METAL AGE, AUGUST 2010 19 Table IV. By the end of the 1700s, aluminium oxide was known to contain a metal, but it defeated all attempts to extract it. If 3003 alloy is held too long at temperature its grain-growth becomes excessive. If you have any questions or good suggestions on our products and site, or if you want to know more information about our products, please write them and send to us, we will contact you within one business day. Temper designations T42 and T62 may also be applied to wrought products heat-treated from any temper by the user when such heat-treatment results in the mechanical properties applicable to these tempers. Aluminium alloy 6061 is one of the most extensively used of the 6000 series aluminium alloys. T7 Solution heat-treated and then stabilized. This gives flexibility to the job shop, and the engineer does not want to tie down the job shop due t… Applies to products which are stabilized to carry them beyond the point of maximum strength to provide control of some special characteristics. This chart involves common wrought aluminum alloys, which is normally identified by a four-digit system, such as 1XXX, 2XXX, 3XXX, etc., which refers to aluminum alloyed with different alloying elements (copper, zinc, magnesium, silicon, manganese, and lithium). Applies to products which are cold worked to improve strength, or in which the effect of cold work in flattening or straightening is recognized in mechanical property limits. Alloy and Temper Designation Systems for Aluminum and Aluminum Alloys / 17 Table 2 Composition of wrought unalloyed aluminum and wrought aluminum alloys Grade designation I [ hum Asse- ISO No. Currently there are over 400 wrought aluminum and wrought aluminum alloys and over 200 aluminum alloys in the form of castings and ingots registered with the Aluminum Association. Complete technical data sheets are available through MatWeb, with physical properties such as tensile strength, thermal conductivity, and hardness for virtually every commercial aluminum alloy and temper. Assigned additional digits for T7 temper per ANSI 35.1/H35.1(M)-2009. These arrays are called GP zones, and they strengthen the aluminum considerably. -H112 Applies to products which acquire some temper from shaping processes not having special control over the amount of strain-hardening or thermal treatment, but for which there are mechanical property limits or mechanical property testing is required. On many prints, raw materials that specify aluminum are not very specific and simply state use “Alum 6061-T6” with no other designations. Aluminium is the world¡¯s most abundant metal. If irritation persists, seek medical attention. chemical compositions and tempers, even within the same alloy family (e.g., 5xxx-series wrought aluminum alloys). Keymark New York 1188 Cayadutta Street Fonda, NY 12068 Phone: (518) 853-3421 1-0 Annealed, recrystallized (wrought products only): Applies to (the softest temper of wrought products. Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more ; Related Documents . 10mm Standard Ball, 3000 Kgf (HBS): Vicker's Hardness Number (HV): Rockwell Hardness Number B Scale, 100 Kgf (HRB): Rockwell Hardness Number E Scale, 100 Kgf (HRE): Rockwell Hardness Number H Scale, 60 Kgf (HRH): Rockwell Superficial Hardness No. For example, in 3003-H14, 3003 denotes the alloy and “H14” denotes the temper, or degree of hardness. For other alloys, the -H2 tempers have approximately the same ultimate strength as the corresponding -H1 tempers and slightly higher elongations. T6 Solution heat-treated and then artificially aged. Lead baths and sand baths are also used. Applies to products which are not cold worked after solution heat-treatment, or in which the effect of cold work in flattening or straightening may not be recognized in mechanical property limits. Three commonly used time/temperature cycles are used for aging—one hour at 400 degrees F; five hours at 350 degrees F; and eight hours at 325 degrees F. All are equally effective. Thus, the elevated temperature mechanical properties re-quired to analyze and model the structural response must be measured for the specific aluminum alloy of interest. The number following this designation indicates the degree of strain-hardening remaining after the product has been strain-hardened a specific amount and then stabilized. T42 Solution heat-treated from the 0 or F temper to demonstrate response to heat-treatment, and naturally aged to a substantially stable condition. T62 Solution heat-treated from the 0 or F temper to demonstrate response to heat-treatment and artificially aged. © 2021 Alcobra Metals, Inc. | All rights reserved | All Prices Are Subject To Change Without Notice, Address:4510 North FreyaSpokane, Washington 99217. Aluminum Product Guide. Applies directly to plate and rolled or cold-finished rod and bar. Some common –T tempers …