Metals and alloys in the unified numbering system uns, conumbered sae hs 1086 and astm ds56, has been revised and the new 12th edition is available from document center inc. Unified numbering system uns is a system of designations established in accordance with astm e527 and sae j1086, recommended practice for. Coppernickel 9010 c70600 coppernickel 8020 c7 coppernickel 7030 c71500 monel 450 c71500 199 dl austenitic k63198 invar austenitic k93600 42 alloy austenitic k94100 46 alloy austenitic. Mar 18, 2018 description of numbers established for metals and alloys the unified numbering system uns establishes 18 series of numbers for metals and alloys, as shown in table 1. The uns for metals and alloys provides a means of correlating many internationally used metal and alloy numbering systems administered by societies, trade. Sometimes ist easier to search for uns n718 in the field std. Introduction to the unified numbering system of nonferrous metals. Unified chart of accounts page 1 crossreferenced to selected. The unified numbering system uns is a compositionbased system of commercial materials. Jointly developed by sae international and astm international, it provides the uniformity. Unified chart of accounts crossreferenced to selected notforprofit reporting requirements version 3. This is information central for the unified numbering project. The unified numbering system for metals and alloys uns provides a means of correlating many internationally used metal and alloy numbering systems administered by societies, trade associations, and individual users and producers of metals and alloys.
Iso 9001 cert pdf download line card pdf company brochure pdf conflict minerals statement pdf cage code pdf terms of sale pdf metal talk. The volume provides a crossindex for nationally used metals and alloys, with a complete listing of the unified numbers, description and chemical composition, and finally the specifications and standards that. The unified numbering system uns for metals and alloys is an alloy identification system which was jointly developed by the astm international formerly the american society for testing and materials and the society of automotive engineers to provide a means of correlating many internationally used metal and alloy numbering systems administered by various societies, trade associations and. System configuration guide for cisco unified communications. Astme527 standard practice for numbering metals and alloys. Metals and alloys in the unified numbering system uns. Each uns number consists of a single letter prefix followed by five digits. Introduction to the unified numbering system index to. Information and translations of unified numbering system in the most comprehensive dictionary definitions resource on the web. This ordinance brought mobile home parks under the unified house numbering system and established regulations for the assignment and posting of addresses and the naming of access ways within the parks. Coppernickel 9010 c70600 coppernickel 8020 c7 coppernickel 7030 c71500 monel 450 c71500 199 dl austenitic k63198 invar austenitic k93600 42.
Unified numbering system for ferrous metals and alloys. Definition of unified numbering system in the dictionary. This numbering system is not limited to the oil and gas industry. Astm e52716 standard practice for numbering metals and. The uns for metals and alloys provides a means of correlating many internationally used metal and alloy numbering systems administered by societies, trade associations, and individual users and producers of metals and alloys. I have openly declared an interest in that i use ampco 18 in my manufacturing, if not a pedant, why would someone writing a piece on the unified numbering system insist on the example c95400 is ampco 18 when there are probably so many other manufacturers trade names they might have chosen. The uns has become a shorthand descriptor that allows users and suppliers to understand material callouts across. Each uns number relates to a specific metal or alloy and defines its specific chemical composition, or in some cases a specific mechanical or physical property. Description of numbers established for metals and alloys the unified numbering system uns establishes 18 series of numbers for metals and alloys, as shown in table 1. Introduction to the unified numbering system of nonferrous. In most cases the letter is suggestive of the family of metals identi. Unified numbering system an overview sciencedirect topics. The uns number short for unified numbering system for metals and alloys is a systematic scheme in which each metal is designated by a letter followed by five numbers. With a description of the system and a cross index of chemically similar specifications and a great selection of related books, art and collectibles available now at.
It consists of a prefix letter and five digits designating a material composition. It also provides the uniformity necessary for efficient indexing, record keeping, data. A uns number alone does not constitute a full material specification because it establishes no requirements for material properties, heat treatment, form, or quality. The system assigns numbers to alloys on the basis of composition only. Standard practice for numbering metals and alloys uns. Theunified numbering system for metals and alloys uns provides a means of correlating many internationally used metal and alloy. In 1973, the house numbering ordinance was amended by ordinance no. Milstd3007f standard practice for unified facilities. 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. Search for glossary terms regular expression allowed term definition. Aug 29, 20 metals and alloys in the unified numbering system uns, conumbered sae hs 1086 and astm ds56, has been revised and the new 12th edition is available from document center inc. This sae recommended practice describes a unified numbering system uns for metals and alloys which have a commercial standing and covers the procedure by which such numbers are assigned.
Unified numbering system uns for copper and copper alloys. Number systems introduction binary number system the goal of this handout is to make you comf ortable with the binary number system. The equivalent unified numbering system alloy designations are those shown in preceded by a9, for example, a for aluminum in accordance with practice e register for a trial account. Aug 03, 2011 the unified numbering system uns is an alloy designation system widely accepted in north america. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations. Uns unified number system cross reference list unified alloys. Astm ds56 metals and alloys in the unified numbering.
Jointly developed by astm international and the society of automotive engineers sae, it provides the uniformity. The unified numbering system uns of metals and alloys was developed by the american national standards institute ansi in 1974 to uniformly number commercial metals and alloys in the united states and is administered jointly by the society of automotive engineers sae and american society for testing and materials astm. Precise composition with impurity limits and performance specifications are not guaranteed by the uns system. Its purpose is to provide means of correlating systems in use by such organizations as american society for testing materials astm and aluminum association aa, as well as. Unified chart of accounts page 1 crossreferenced to. Unified numbering system uns for metals and alloys.
Alloy and temper designation systems for aluminum and. Unified numbering system engineering automotive industry. Based on our earlier discussion of the decimal will correlate your previous knowledge of th e decimal number system to the binary number system, the digits that can be used. The unified numbering system uns was developed by astm and sae to correlate different numbering systems for commercial metals and alloys. In most cases the letter is suggestive of the family of metals identified. The unified numbering system for metals and alloys uns provides a means of correlating many internationally used metal and alloy numbering systems currently administered by societies, trade associations, and those individual users and producers of metals and alloys. The number system having the value of the base as 10 is called a decimal number system, whereas that with a base of 2 is called a binary number system. Unified numbering system uns, and in ternational organization for standardiza tion iso standards. Introduction to the unified numbering system of ferrous. Unified numbering system for metals and alloyswhat it is, why it was conceived, and how it was developed. The unified numbering system for metals and alloys provides methods of correlating many internationally used metal and alloy numbering systems currently published by engineering bodies, societies, trade associations, and producers of metals and alloys.
Astm e527 16 standard practice for numbering metals and. The volume provides a crossindex for nationally used metals and alloys, with a complete listing of the unified numbers, description and chemical composition, and finally the specifications and standards that have. The unified numbering system for metals and alloys uns provides means of correlating many internationally used metal and alloy numbering systems currently administered by societies, trade associations, and those individual users and producers of metals and alloys. This project was jointly sponsored by astm and sae, and a committee was appointed to conduct the study. New 12th edition released for sae hs 1086, astm ds 56. Each metal is indicated by a letter that is followed by five numbers. The unified numbering system uns is an alloy designation system widely accepted in north. The unified numbering system is an alloy designation system widely accepted in north america. The unified numbering system uns is an alloy designation system widely accepted in north america. Join more than 90,000 members around the world who know they can rely on sae for. The cast copper alloys have the standard material number.
These systems are classified according to the values of the base of the number system. The unified numbering system uns was developed by astm and sae to correlate different numbering systems for commercial metals and alloys the uns number is not a specification it is an identification number for a metal or alloy specified elsewhere. Brasses c20000 c49999 standard designation for wrought copper alloys. Uns num bers correlate many nationally used num bering systems currently administered by societies, trade associations, and individual users and producers of metals and alloys. Astm ds56 metals and alloys in the unified numbering system. Astme527 standard practice for numbering metals and. Language on unified design guidance in house conference report 105247, dated 9 september 1997, accompanying conference committee on house report h. Uns unified number system cross reference list unified. View abstract product details document history astm ds56 complete document revision k, 12. Introduction to the unified numbering system index to uns designations by base elements listing of uns numbers assigned to date with description of each material covered and references to documents in which the same or similar materials are described cross index of commonly known documents. There is no definition of mechanical or other properties. The unified numbering system uns for metals and alloys is established to correlate several internationally used alloy and metal numbering systems, which are now commonly used by trade associations, societies and producers and users of alloys and metals. Section 2 describes the system of alphanumeric designations or numbers established for each family of metals and alloys. Complete document uns metals and alloys in the unified numbering system.
A prefix of s indicates stainless steel alloys, c for copper, brass, or bronze alloys, t for tool steels, etc. Campbell, army materials and mechanics research center. A number system in computer ideology is regarded as the method or system of numbering and representing of digits in the computer inner s ystem. Organization of uns the uns, jointly sponsored by the american society for testing and materials astm and the society of automotive engineers sae, is operated in accordance with astm e527sae j 1086, recommended practice for numbering. Unified numbering system free ebook download as pdf file. Unified numbering system uns is a system of designations established in accordance with astm e527 and sae j1086, recommended practice for numbering metals and alloys. Mochel, a past president of astm, and consisted of the following members. Home decorating style 2020 for unified numbering system pdf, you can see unified numbering system pdf and more pictures for home interior designing 2020 89873 at manuals library. Jan 01, 2020 system configuration guide for cisco unified communications manager, release 11. Introduction to the unified numbering system of ferrous metals and alloys abstrakt.
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