EN 575-1995 en Aluminium and Aluminium Alloys - Master Alloys Produced by Melting - Specifications《铝和铝合金 通过熔炼生产出的预合金 规范》.pdf

1、 CEN EN8575 95 W 3g84.569 0122737 077 BRITISH STANDARD Aluminium and aluminium alloys - Master alloys produced by melting - 3s EN Specifications The European Standard EN 575 : 1995 has the status of a British Standard ICs 77.120 10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGET L

2、AW i75 : 1996 CEN EN8575 95 = 344587 8122738 TO3 Amd. No. BS EN 575 : 1996 Date Text affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee NFE/35, Light metals and their alloys, upon which the following bodies were rep

3、resented: Aluminium Federation Aluminium Stockholders Association Association of Light Alloy Refiners British Foundry Association London Metal Exchange Magnesium Industry Council Ministry of Defence The following bodies were also represented in the drafting of the standard, through subcommittees and

4、 panels: British Investment Casting Trade Association Light Metal Founders Association Society of Motor Manufacturers and Traders Limited Co-opted Members This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standar

5、ds Board and comes into effect on 15 April 1996 O BSI 1996 The following BSI references relate to the work on this standard: Committee reference NFE/35 Draft for comment 91/47497 DC I 1 ISBN O 580 25175 6 CEN EN*575 95 3404589 0122739 94T D BS EN 575 : 1996 Contents Committees responsible National f

6、oreword Page Inside front cover ii lkxt of EN 575 2 O BSI 1996 i CEN EN+575 95 3VOV5861 O322740 hhl m BS EN 575 : 1996 Nat ional foreword This British Standard has been prepared by Technical Committee NFE/35 and is the English language version of EN 575 : 1995 Aluminium and aluminium alloys - Master

7、 alloys produced by melting - Specqications, published by the European Committee for Standardization (CEN). Cross-reference Publication referred to Corresponding British Standard EN IS0 9000-1 : 1994 BS EN IS0 9000 Quality manugrnent and quality assurance standards Part 1 : 1994 Guidelines for selec

8、tion and use Compliance with a British Standard does not of itself confer immunity from legal obligations. ii O BSI 1996 CEN ENS575 i5 E 3404589 01i2Z7LiL 5T E EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 575 July 1995 ICs 77.120.10 Descriptors: aluminium, aluminium alloys, alloys, grades: q

9、uality, chemical composition, designation, classifications, specifications, inspection, packing, marking English version Aluminium and aluminium alloys - Master alloys produced by melting - Specifications Aluminium et alliages daluminium - Alliages mres obtenus par fusion - Spcifications Aluminium u

10、nd Aluminiumlegierungen - Vorlegierungen durch Erschmelzen hergestellt - Spezifikationen This European Standard was approved by CEN on 1995-06-03. CEN members are bound to comply with the CENXENELEC internal Regulations which stipulate the conditions for giving this European Standard the status of a

11、 national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version

12、in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece,

13、 Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1995 Copyright reser

14、ved to CEN members Ref. No. EN 575 : 1995 E CEN EN*575 95 - 3404589 03422742 434 Page 2 EN 575 : 1995 Foreword This European Standard has been prepared by the Rchnical Committee CEN/TC 132 Aluminium and aluminium alloys of which the secretariat is held by AFNOR. This European Standard shall be given

15、 the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 1996, and conflicting national standards shall be withdrawn at the latest by January 1996. According to the CENZENELEC Internal Regulations, the following countries are bound to

16、 implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Net herlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. Contents Fore word 1 Scope 2 Normative references 3 Definitions 4 Orders or tenders 5 Requi

17、rements 6 Product inspection and testing methods 7 Marking of products 8 Packaging 9 Delivery documents 10 Complaints lhble 1 Master alloys- Chemical composition Page 3 3 3 3 3 3 6 O BSI 1996 CEN EN*575 45 340454% 0322743 370 1 Scope This European Standard specifies the requirements for grades of ma

18、ster alloys produced by melting and intended for addition to a melt to adjust composition and/or to control impurities and/or to control the as-cast structure. It specifies the classification and designation applicable to these grades, the conditions in which they are produced, their properties and

19、the marks by which they are identified. 2 Normative references This European Standard incorporates by dated and undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated refer

20、ences, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. prEN 1780-1 prEN 1780-2 prEN 1780-3 EN IS0 9000-1 Alumini

21、um and aluminium alloys - Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings - Part 1 : Numerical designation system Aluminium and aluminium alloys - Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings - Part 2:

22、 Chemical symbol based designation systern Aluminium and aluminium alloys - Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings - Part 3: Writing rules for chemical composition Quality management and quality assurance standards - Part 1: Guidelines for sel

23、ection and use (IS0 9000-1: 1994) Page 3 EN 575 : 1995 3 Definitions For the purposes of this standard, the following definitions apply: 3.1 alloy Metallic substance consisting of a mixture of the basic metallic element (the element predominating by mass) and other elements such as alloying elements

24、 and impurities. 3.2 alloying element Metallic or non-metallic element intentionally added to, or naturally contained by, a basic metal and the amount of which is controlled within specific upper and lower limits for the purpose of giving that metal certain special properties. 3.3 impurity Metallic

25、or non-metallic element present but which is not intentionally added to a metal and for which no lower limit is specified. 3.4 master alloy Alloy intended only for addition to a melt to adjust composition and/or to control impurities and/or to control the as-cast structure. Some master alloys can co

26、ntain more than 50 % of the main alloying element. 4 Orders or tenders The order or tender shall define the product required and shall contain the following information: a) designation of the master alloy according to this European Standard (or the customer code after agreement between supplier and

27、purchaser); b) form of the product; c) quantity: - mass (in metric tonnes); - quantity tolerances if required; d) any requirements for certificates of conformity, test and/or analysis reports or inspection certificates; e) all exceptions to this standard which have been agreed between supplier and p

28、urchaser. 5 Requirements 5.1 Production and manufacturing processes Unless otherwise specified in the order, the production and manufacturing processes shall be left to the discretion of the producer. The master alloy shall be in a condition suitable for use at normal process temperatures. Unless it

29、 is explicitly stated in the order, no obligation shall be placed on the producer to use the same processes for subsequent and similar orders. O BSI 1996 CEN EN*575 75 E 3biO4587 8322744 207 Page 4 EN 575 : 1995 The purchaser shall be notified of significant changes in the production and manufacturi

30、ng process which can influence the product quality. 5.2 Quality control The supplier shall be responsible for carrying out all inspection and tests required by the relevant European Standard and/or the particular specification, prior to shipment of the product. If the purchaser wishes to inspect the

31、 product at the suppliers works, he shall stipulate this at the time of placing the order. 5.3 Chemical composition Each grade of master alloys shall be in accordance with the designations and chemical composition given in table 1. The composition shown in this table is given in mass percent maximum

32、 and, if applicable, in mass percent minimum. For the main alloying elements, the supplier shall produce a chemical content as close as possible to the middle of the range. The writing rules for designations and chemical compositions, as given in prEN 1780-1, prEN 1780-2 and prEN 1780-3, shall be ap

33、plied. 5.4 Freedom from defects The products shall be reasonably free from dross, corrosion, scale or salt inclusions, grease or any other foreign bodies, including paint apart from that which is approved for marking purposes, to a degree which does not affect melt quality and/or recovery. The produ

34、cts shall be inspected visually. The products may have shrinkage holes or cracks which may retain water. They shall therefore be thoroughly dried and preheated before charging to a furnace to avoid the risk of a violent explosion. 5.5 Form and dimension Master alloys can be supplied in several forms

35、 including ingots, splatters, granules and rod, e.g.: - piglets up to 1 kg; - notched bar or waffle plates up to 15 kg; - splatters with typical thickness 1 mm to 8 mm; - granules up to 10 mm; - rod either in layer wound coils or in cut lengths nominal rod diameter up to 10 mm. The tolerances of the

36、 unit masses, the dimensions and the dimensional tolerances of the products shall be defined by agreement between supplier and purchaser at the time of ordering. 5.6 Health and safety The supplier shall be responsible for supplying the necessary information on health and safety for each product. 6 P

37、roduct inspection and testing methods 6.1 General Sampling procedures and analytical tests shall be carried out in accordance with quality assurance procedures (see EN IS0 9000-1). The results shall be traceable to national or international standard reference materials. The capability of the analyti

38、cal procedures shall be verified. 6.2 Sampling - samples The melt shall be clearly identified with a traceable number. The shape of the samples and the sampling conditions for chemical analysis shall be so designed that they are representative of the melt being cast. Each sample shall be taken from

39、the liquid metal after any treatment from either the furnace, the liquid stream, or shall be taken from a cast ingot or length of rod. NOTE. Due to the effects of segregation, there are particular difficulties in sampling of cast ingots. The supplier shall be able to demonstrate the validity of the

40、whole test procedure, including sampling, sample preparation and measurement. 6.3 Analysis of chemical composition Analysis is normally made for elements for which specific limits are shown in table 1. For purposes of determining conformance to these limits the analysis values shall be rounded off t

41、o the nearest unit in the right hand place of figures as shown in table 1. The analytical methods are at the discretion of the producer who shall use methods accepted at the European or international levels. 7 Marking of products 7.1 Identification Each bundle of ingots, drum or box of splatters, st

42、icks, granules, pallet of coiled rods etc., shall be clearly marked with the following information: a) the producer identification; b) the designation of master alloy; c) the melt numbeds), traceable to production data; d) the mass of the bundle, drum, box, etc.; e) the colour code for the alloy. Th

43、e method of marking is left to the discretion of the supplier, but it shall be indelible and shall not be a source of contamination. 7.2 Colour coding Each alloy shall have a unique colour code, shown in table 1. Each bundle of ingots, drum, box, etc. shall be marked with the appropriate colour(s).

44、O BSI 1996 CEN EN*575 95 3404589 0322745 143 8 Packaging Ingots shall be stacked in bundles with or without a pallet in such a manner as to give a secure package. Splatters, piglets and granules shall be supplied in drums, boxes, bags or big-bags. Coiled rods shall be securely stacked on pallets. Th

45、e packaging shall be sufficiently strong to be handled without breaking and be suitably weather-proofed for the type of transport employed. Any special requirements for packaging shall be agreed between supplier and purchaser. 9 Delivery documents The delivery documents shall accompany the delivery

46、and include: a) the supplier identification; b) the order number; e) the designation and form of master alloy; d) the melt number(s); e) the results of chemical analysis for all elements for which specific limits are shown in table 1, or other elements if specified in the order; f the unit and total

47、 masses. Page 5 EN 575 : 1995 10 Complaints Chemical and physical defects can give rise to complaints if they affect the processing or the end use of the relevant finished product. The purchaser shall enable the supplier to check the validity of the complaint by providing one or more of the followin

48、g: - a representative sample of the master alloy concerned and/or; - a specimen of the finished product, or an intermediate state, obtained from the defective master alloy, with all the details allowing identification, or; -justification of the defect in the ingot or in the finished product, or; - d

49、etails of conditions of processing and inspection in the intermediate stages. In case of dispute concerning conformity with the requirements of the present standard or specification stated on the order, examinations and tests shall be performed by a referee laboratory chosen by mutual agreement between supplier and purchaser. The arbitrators decision shall be final. 0 BSI 1996 Page 6 EN 575 : 1995 CEN EN*575 95 3404589 0322746 OBT 3 i 1 i i ci 0- 3 3- * O 0“ * 3 3- I 2 3 700 3-c o 2 33; c N I I I I I I H B - I I l 3 5 3 : O BSI 1996 CEN EN*575 95 U 3404589 R322747 T