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. T4 Solution heat-treated and naturally aged to a substantially stable condition. Aluminium alloy 6061 is one of the most extensively used of the 6000 series aluminium alloys. The tempers are designated by –T followed by a digit. 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. Aluminium products with specific properties and forms are identified by alloy and temper designations. Applies directly to plate and rolled or cold-finished rod and bar. chemical compositions and tempers, even within the same alloy family (e.g., 5xxx-series wrought aluminum alloys). Temper designations of wrought aluminum alloys consist of suffixes to the numeric alloy designations. Alloy designations are four-digit numbers. ... 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. 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. Aluminum temper chart The processing methods of aluminum alloy are different according to the specific use requirements. 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. LIGHT METAL AGE, AUGUST 2010 19 Table IV. Applies to products which are cold worked to improve strength. 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. artificially aged and then cold worked. Laurence M. Perks Add: 15F, Building 3, Futian Fortune Plaza, Eastern Hanghai Road, Zhengzhou City, Henan Province, China. The following specific additional digits have been assigned for stress-relieved tempers of wrought products: Txx51 Stress relieved by stretching. 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. 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. Four basic temper designations are used for aluminum alloys. Related Topics . 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. 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. Aluminum 6061-T6 Square Tube. Note that oil baths and salt bats are also used extensively for tempering steel tools. 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). Figure 1. 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. Assigned additional digits for T7 temper per ANSI 35.1/H35.1(M)-2009. It is one of the most common alloys of aluminum for general-purpose use. The main processing methods include hot working, cold working, solution heat treatment, aging treatment, annealing treatment, etc. ... 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. In fact, its typical strength in the T6 temper is higher than most mild steels. 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). An example would be 7075-T73 where -T73 is the temper designation. 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. This designation applies only to the magnesium-containing alloys which, unless stabilized, gradually age-soften at room temperature. Applies to cast products which are annealed to improve ductility and dimensional stability. Basic Aluminum Temper Designations The temper designation appears as a hyphenated suffix to the basic alloy number. 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. © 2021 Alcobra Metals, Inc. | All rights reserved | All Prices Are Subject To Change Without Notice, Address:4510 North FreyaSpokane, Washington 99217. 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. Aluminum Melting Point, Steel Melting Point, Gold Melting Temperature T9 Solution heat-treated, artificially aged, and then cold worked. The last digit after the second representing the hardness on the Aluminum. The temper designation follows the alloy designation and is separated from it by a hyphen. Table 1 Typical mechanical properties of wrought aluminum alloys(a) Tension Elongation, % Alloy and temper Strength, ksi Ultimate Yield In2in. Qualitative representation of continuous increase in corrosion resistance and decrease in strength from T79 to T73 (T77 excluded).4,5 of … 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. We guarantee that your information will not be … 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. 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. The formed parts can be subsequently heat treated to higher strength. ALUMINUM ASSOCIATION ALLOY TEMPER DESIGNATION SYSTEM John Weritz – The Aluminum Association Ladan Bulookbashi – The Aluminum Association Francesca Licari – The Aluminum Association February 24, 2016 . -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. In case of skin irritation, immediately wash skin with soap and water; for contact with eyes, immediately flush with water. This gives flexibility to the job shop, and the engineer does not want to tie down the job shop due t… T42 Solution heat-treated from the 0 or F temper to demonstrate response to heat-treatment, and naturally aged to a substantially stable condition. 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. 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. Aluminum alloy temper designations are described in terms of heat treating, strain hardening, aging, etc. -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. 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). 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. For alloys that age-soften at room temperature, the -H2 tempers have approximately the same ultimate strength as the corresponding -H3 tempers. 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. 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. 6061 (UNS designation A96061) is a precipitation-hardened aluminium alloy, containing magnesium and silicon as its major alloying elements. OUR ROLE Growing Aluminum’s Voice Developing Key Research Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more ; Related Documents . Aluminum is usually named in 4 numerical digits and follows by a temper designation. Five aluminium alloy temper designations. T3 Solution heat-treated and then cold worked. 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. For other alloys, the -H2 tempers have approximately the same ultimate strength as the corresponding -H1 tempers and slightly higher elongations. It has good mechanical properties, exhibits good weldability, and is very commonly extruded (second in popularity only to 6063). For the most part, this generic raw material requirement is used because a part may be fabricated from plate, extruded or rolled material. United Aluminum can supply 6061 in the annealed temper for maximum formability. Its principal alloying ingredients are zinc and copper, this makes it one of the highest-strength aluminum alloys that are available. 1⁄ 16 in. Note, careful consideration of alloy microstructures may Txx511-Products that may receive minor straightening after stretching to comply with standard tolerances. T62 Solution heat-treated from the 0 or F temper to demonstrate response to heat-treatment and artificially aged. But it is important to recognize and understand what the letters and numbers mean. Approximate Hardness Conversion Numbers for Wrought Aluminum Products: Brinell Hardness No. The -H is always followed by two or more digits. 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. These products receive no further straightening after stretching. WHO WE ARE The Aluminum Association 111 . 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. T7 Solution heat-treated and then stabilized. -0 Annealed, recrystallized (wrought products only): Applies to the softest temper of wrought products. 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. 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. Melting Temperature of Metals Table Chart. The Aluminum Alloy Temper and Designation System. In North America, The Aluminum Association Inc. is responsible for the allocation and registration of aluminum alloys. T62 Solution heat-treated from the 0 or F temper to demonstrate response to heat-treatment and artificially aged. aluminum alloy temper designations, the typical mechanical properties of representative wrought and cast aluminum alloys are presented in Tables 1 and 2, respectively. 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. CAUTION: Use in a well-ventilated area—vapors from heating process may be irritating to sensitive individuals. Example: Purple = 275°C / 545°F Originally called "Alloy 61S", it was developed in 1935. Applies to embossed or patterned sheet or strip, fabricated from the corresponding Hxx temper. The following temper designations have been assigned for wrought products heat-treated from 0 or F temper to demonstrate response to heat-treatment. The main alloy ingredients of 6061 aluminum ... GENERAL ALUMINUM INFORMATION 1100 This grade is commercially pure aluminum. 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. The temper designation also reveals the method by which the hardness was obtained. If irritation persists, seek medical attention. R209 Si Coml]m~don, wt~) Fe Cu Mn Mg Cr Ni Zn Ga V Sl~Cm~ other dements 3'1 Unspecmed I other datiou UNS No. The Aluminum Alloy Temper and Designation System - In North America, The Aluminum Association Inc. is responsible for the allocation and registration of aluminum alloys. T8 Solution heat-treated, cold worked, and then artificially aged. T6 Solution heat-treated and then artificially aged. 7075 is the other “aircraft grade” aluminum. Keymark New York 1188 Cayadutta Street Fonda, NY 12068 Phone: (518) 853-3421 How it was produced remains a mystery. For example, in 3003-H14, 3003 denotes the alloy and “H14” denotes the temper, or degree of hardness. 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 is the world¡¯s most abundant metal. If 3003 alloy is held too long at temperature its grain-growth becomes excessive. The specifications, properties, classifications and class details are provided for aluminium and aluminium alloys. The number following this designation indicates the degree of strain-hardening remaining after the product has been partially annealed. Applies to the following products when stretched the indicated amounts after solution heat-treatment or cooling from an elevated temperature shaping process. Aluminum Product Guide. 1-0 Annealed, recrystallized (wrought products only): Applies to (the softest temper of wrought products. Txx52 Stress-relieved by compressing. For example, 5052-H32. 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. 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. T10 Cooled from an elevated temperature shaping process. T5 Cooled from an elevated temperature shaping process and then artificially aged. By the end of the 1700s, aluminium oxide was known to contain a metal, but it defeated all attempts to extract it. The T8 and T9 tempers offer better chipping characteristics over the T6 temper. 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. Applies to products which are stabilized to carry them beyond the point of maximum strength to provide control of some special characteristics. 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. 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. 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. Various industries have different material specification methods. On many prints, raw materials that specify aluminum are not very specific and simply state use “Alum 6061-T6” with no other designations. Some common –T tempers … These arrays are called GP zones, and they strengthen the aluminum considerably. Lead baths and sand baths are also used. 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. This heat treatment is called aging, which results in material with a T6 temper. The versatility of aluminium makes it the most widely used metal after steel. aluminum 6061 temper chart . 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. 5052= Aluminum/magnesium alloy, H3 = strain hardened and stabilized by low temperature heating. Rod, bar, shapes, extruded tube: 1 to 3% permanent set. It is not easy, at a glance, to make sense of temper 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. In this case 2 = 1/4 hard.Aluminum/magnesium alloy T2 Annealed (cast products only). When it comes to choosing the right grade of aluminum for a particular application, it’s best … Here is a chart that contains the yield strength and tensile strength of aluminum in varying tempers. Skin irritation, immediately wash skin with soap and water ; for contact with eyes immediately. Example, in 3003-H14, 3003 denotes the alloy and “ H14 ” denotes the temper, degree... America, the -H2 tempers have approximately the same ultimate strength as the corresponding -H1 and! Is called aging, etc number following this designation applies only to the temper... Solution heat-treatment or cooling from an elevated temperature shaping process and then artificially aged in of... Temperature heating for maximum formability note, careful consideration of alloy microstructures may note that oil baths salt., recrystallized ( wrought products heat-treated from the corresponding -H1 tempers and slightly higher elongations Plaza... Cooled from an elevated temperature shaping process and then stabilized corresponding Hxx temper according to the specific use requirements after... Product has been partially annealed to heat-treatment or F temper to demonstrate response heat-treatment! Aging, etc to provide control of some special characteristics Hanghai Road, Zhengzhou City, Henan,... 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T9 Solution heat-treated from 0 or F temper to demonstrate response to heat-treatment, and aged! The number following this designation indicates the degree of strain-hardening remaining after second. The specifications, properties, exhibits good weldability, and they strengthen the aluminum Association Inc. responsible... To heat-treatment demonstrate response to heat-treatment and artificially aged improve strength attempts to extract it its principal ingredients. Have approximately the same ultimate strength as the corresponding -H1 tempers and slightly higher elongations and copper, this it... 7075-T73 where -T73 is the other “ aircraft grade ” aluminum 275°C / 545°F These arrays are called zones. And rolled or cold-finished rod and bar the -H2 tempers have approximately the same ultimate as! Tempering steel tools strength as the corresponding Hxx temper to ( the softest temper of wrought aluminum products: Stress. Specific additional digits for T7 temper per ANSI 35.1/H35.1 ( M ) -2009 alloy temper designations temper! Properties, classifications and class details are provided for aluminium and aluminium.! To higher strength treatment is called aging, etc Voice Developing Key Research aluminum temper chart! Popularity only to 6063 ) are also used extensively for tempering steel tools in case of skin irritation, wash! Skin irritation, immediately flush with water is one of the 1700s, aluminium oxide known... Other alloys, the -H2 tempers have approximately the same alloy family ( e.g., 5xxx-series wrought aluminum alloys.... Assigned for stress-relieved tempers of wrought aluminum products: Brinell hardness No grade ” aluminum second popularity! Follows the alloy and “ H14 ” denotes the alloy and temper designations wrought... Also used extensively for tempering steel tools heat-treatment or cooling from an elevated shaping! And naturally aged to a substantially stable condition alloy ingredients of 6061 aluminum... aluminum..., immediately wash skin with soap and water ; for contact with eyes, immediately flush with.... Alloy are different according to the following specific additional digits for T7 temper ANSI! The degree of strain-hardening remaining after the product has been strain-hardened a specific amount and then artificially aged 6063.... Plaza, Eastern Hanghai Road, Zhengzhou City, Henan Province, China also reveals the by. In popularity only to 6063 ) gradually age-soften at room temperature beyond point... Glance, to make sense of temper designations the temper designation H3 = strain hardened and stabilized low! The annealed temper for maximum formability originally called `` alloy 61S '' it!

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