Aluminium Alloy Numbering System

The Unified Numbering System UNS is an alloy identification system created in the early 1970s and formalized with the issuance of joint standard ASTM E527 and SAE J1086 in August of 1974. Indicating the aluminium alloy with the exception of the 1XXX series.

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ANSIAA The Aluminum Association The Aluminum Association AA manages this designation system and it is the most accepted system around the world.

. Pure aluminum as produced from the Hall-Héroult process can achieve a 997 purity but his has little value to industrial applications. Metals and Alloys in the Unified Numbering System UNS. All Aluminum Foundry Alloy Castings.

The Aluminum Association has designed a numbering system for general classification of cast aluminum alloys. UNS A1xxxx UNS A6xxxx. 1612021 The second and third digits of the cast aluminium numbering system are also arbitrary.

For example AA designates A3560 UNS uses A13560. Wrought aluminum alloy designation system. Ad Get a Quote Today.

The number of aluminum and aluminum alloys is mainly divided into eight series. In the 2xxx through 8xxx alloy groups the second digit in the designation indicates alloy modification. The system assigns numbers to alloys on the basis of composition only.

Pure aluminum has a modulus stiffness that is 13 of. The alloying system for aluminum uses a rational numbering system. In the 1xxx group the series 10xx is used to designate unalloyed compositions that have natural impurity limits.

These are some of the most used aluminum alloy designations around the world. Order by 3 PM ET for Same Day Shipping. The Aluminum Association created the ANSIAA designation system and is the most accepted system in North America today.

Tungsten alloy for machining available in ROTF and more. Wrought Aluminum Alloys Clad with Wrought Aluminum Alloys Non- or Heat Treatable. The UNS system breaks down as follows using A13560 as an example.

Wrought Aluminum Alloys Non-Heat Treatable. Similar to the wrought aluminium alloy designation system the second and third digits for these grades are used to indicate aluminium purity above. Metals and Alloys in the Unified Numbering System.

Wrought Aluminum Alloys Non-Heat Treatable. IADS aluminum numbering system The International Alloy Designation System IADS uses a classification developed by the Aluminum Association of the United States. Commercially pure aluminum is 995 Aluminum and is soft and weak.

Always A for aluminum. When we consider the numbering identification system used for aluminum alloys the above characteristics are identified. The Unified Numbering System.

The second single digit xXxx if different from 0 indicates a modification of the specific alloy and the third and fourth digits xxXX are arbitrary numbers given to identify a specific alloy in the series. Each name begins with AA followed by four numbers. The last two of the four digits in the designation indicate the minimum aluminum percentage.

Talk to our experts today. Aluminum Alloys Naming Convention. Aluminum and aluminum alloys C00001 to C99999 Copper and copper alloys brasses and bronzes D00001 to D99999 Specified mechanical property steels E00001 to E99999 Rare earth and rare earthlike metals and alloys F00001 to F99999 Cast irons G00001 to G99999 AISI and SAE carbon and alloy steels except tool steels H00001 to H99999.

ANSIAA The Aluminum Association. Tungsten Alloy Bars Rods Weights Blocks and more. Ad Aluminum Stock in Angle Channel Bar Sheet and Pipe.

Similar to the wrought aluminium alloy designation system the second and third digits for these grades are used to indicate aluminium purity above 99. The first digit indicates the alloy group according to the major alloying element. 3xxx Silicon 517 with added copper andor magnesium.

The Aluminum Association assigns four digits to each alloy preceded by the prefix AA. Ad We Design Customize Fabricate Deliver Quality Aluminum Extrusion T-Slot Systems. The first number informs you of the aluminums main alloying element which will be explained further in this article.

Chat Now Send Inquiry. For instance In alloy 5183 the number 5 indicates that it is of the magnesium. Aluminum and aluminum alloys.

A 0 indicates a casting while 1 indicates an ingot. Each name begins with AA followed by four numbers. According to the processing method of aluminum alloy it can be divided into deformed aluminum alloy and cast aluminum alloy.

Have the Standard Material Number. A-Line Automation Specializes in T-Slot Aluminum Framing Solutions Assembly Automation. There is no definition of mechanical or other.

Heres a list of the most used designations used around the world. Aluminum Foundry Alloys Ingot or Casting. Each cast aluminum alloy is designated by a four digit number with a decimal point separating the third and the forth digits.

The final digit after the decimal point is used to mark whether the aluminium alloy is a casting or an ingot. First Digit A An alpha indicator of base metal. UNS and the Aluminum Association AA parallel each other in their numbering system.

1xxx Aluminum 990 minimum.

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