ASD-STAN PREN 2545-1-1991 Aerospace Series Titanium and Titanium Alloy Remelting Stock and Castings - Technical Specification - Part 1 - General Requirements (Edition 1)《航空航天系列 钛和钛.pdf
《ASD-STAN PREN 2545-1-1991 Aerospace Series Titanium and Titanium Alloy Remelting Stock and Castings - Technical Specification - Part 1 - General Requirements (Edition 1)《航空航天系列 钛和钛.pdf》由会员分享,可在线阅读,更多相关《ASD-STAN PREN 2545-1-1991 Aerospace Series Titanium and Titanium Alloy Remelting Stock and Castings - Technical Specification - Part 1 - General Requirements (Edition 1)《航空航天系列 钛和钛.pdf(10页珍藏版)》请在麦多课文档分享上搜索。
1、CEN PREN*:2545 (PT*l)*ED*L 71 m 340q587 0035765 O Approved by COMITE DE NORMALISATION of A.E.C.M.A. 1991-06-25 A. E .C. M .A. STAN DARD NORME A.E.C.M.A. A.E.C.M.A. NORM The cqiiivalenl versioiis iii French and Gcrnian languages can be supplied by 8.N.A.E . Tachiiopolis 54 199. rue Jean-Jacques Rouss
2、eau 92138 ISSY LES MOULINEAUX CEDEX - FRANCE prEN 2545 Part 7 Edition 1 June 1991 EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL 88, boulevard Malesherbes, 75008 PARIS - TeL. 45-63-82-85 UDC : Key words : ENGLISH VERSION Aerospace series Titanium and titanium alloy remel
3、ting stock and castings - Technical specification - Part 1 - General requirements Srie arospatiale Luft- und Raumfahrt Produits pour refusion et pices moules en titane et alfiages de titane - Spcification technique - Partie 1 - Exigences gnrales Vormaterial und Gupstclce aus Titan und Titanlegierung
4、en - Technische Lieferbedingungeii - Teil I - Allgemeine Anforderungen This (Aerospace series standardhas been dra.wn up under the responsibility ofAECMA (Association Europenne des Constructeurs de Matriel Arospatial). it is published on yellow paper in three equivalent versions (English, French, Ge
5、rman). It will be submitted as a draft European Standard to CEN (European Committee for Standardization) for final vote. CEN PREN*2545 (PT*L)*ED*L 91 3404589 00L59bb 2 prEN 2545-1 Page 2 Contents 1 2 3 4 5 6 7 13 9 10 11 12 13 Scope and field of application References Defi ni tions Qual i ty assuran
6、ce Manufacture Traceabi 1 i ty Freedom from defects Testing Marking Ac cep tance Inspection and test report Packing Wording of orders Annex A CEN PREN*Z545 (PT*L)*ED*L 91 3404589 0035967 4 - - - - prEN 2545-1 Page 3 1 This standard defines the general requirements for the manufacture, inspection and
7、 testing of remelting stock intended to be used for the production of castings and of castings in titanium and titanium alloys unless otherwise stated on the drawing, order or inspection schedule. Particular requirements are defined in EN 2545-2 and EN 2545-3. Scope and field of application This sta
8、ndard shall be applied in conjunction with EN material standards unless otherwise specified on the drawing, order or inspection schedule. By agreement between the manufacturer and the purchaser it may also be applied to other materials or delivery conditions not covered by EN standards, The agreemen
9、ts shall be formalized by reference to this standard on the drawing, order or inspection schedule. 2 References EN 2000 Aerospace series - Quality assurance - EN aerospace products - Approval of he quality system of manufacturers 1) EN 2078 Manufacturing schedule, inspection schedule and inspection
10、report - General definitions - Aerospace series 1) EN 2545-2 Aerospace series ,. Titanium and titanium alloy remelting stock and castings - Technical specification - Part 2 - Remelting stock 2) EN 2545-3 Aerospace series - Titanium and titanium alloy remelting stock and castings - Technical specific
11、ation - Part 3 - Pre-production and production castings 2) 3 Definitions The chart given in annex A completes the following definitions. 3.1 Charge Different materials that make up a furnace charge to be melted in order to obtain a parent cast or castings. 1) Published as AECMA Standard at the date
12、of publication of the present 2) In preparation at the date of publication of the present standard. standard. CEN PREN*Z545 (PT*L)*ED*L 91 W 3404589 OB159b8 b W prEN 2545-1 Page 4 3.2 Melt A mass of homogeneous liquid metal from a single charge. 3.3 Remelt Solid metal resulting from a single melt. 3
13、.4 Parent cast A cast of remelting stock to be used for the production of castings. 3.5 Remelting stock Metal supplied in cast or wrought form, the composition of which has established by chemical analysis. 3.6 Casting A part manufactured by vacuum arc remelting (VAR) or electron beam me (EBM) . 3.7
14、 Pre-production castings been ti ng Castings produced to a particular design which qualify the method of manufacture and mould configuration and demonstrate that the requirements of the purchaser can be met. 3.8. Batches 3.8.1 Batch of re-melting stock It shall consist of re-melting stock of the sam
15、e form, the same nominal dimensions and from the same parent-cast, 3.8.2 Batch of castings It shall consist of castings of the same part number, coming from the same melting operation for EBM process or from the same electrode without alteration of the melting conditions for VAR process. They have b
16、een submitted together to hot isostatic pressing and, if applicable, to heat treatment. 3.8.3 Batch of scrap It shall consist of materials of the same type (see 4.21, of the same chemical composition and, if appropriate, submitted to the same conditioning operations. 3.9 Inspection schedule See EN 2
17、078. o 3.10 Manufacturing schedule See EN 2078. 3.11 Inspection and testing report See EN 2078. 4 Quality assurance 4.1 General See EN 2000. 4.2 Scrap approval Scrap shall be : - prepared according to a procedure approved by the purchaser. The procedure shall include verification of chemical composi
18、tion, freedom from contamination and the absence of foreign material. - approved by : . the scrap purchaser, . . the purchaser of remelting stock electrodes (VAR process), or the purchaser of the castings (EBM process). Additional requirements are given in EN 2545-2 and in EN 2545-3. 5 Manufacture 5
19、.1 The method of melting shall be in accordance with EN 2545-2 or EN 2545-3, 5.2 The details of manufacture shall be recorded in the manufacturing schedule. o 5.3 When a manufacturing schedule has been agreed, no change shall be made without the written approval of the purchaser, 5.4 Unless otherwis
20、e agreed . and stated on the drawing, order and/or manufacturing schedule, the product shall be delivered in the heat treatment condition specified in the material standard. h CEN PREN82545 (PT*L)*ED*L 93 3404589 0035970 4 fi- 550 prEN 2545-1 Page 6 - 3.5 5.5 If a specific temperature (value and tol
21、erance) is stated, that temperature shall be mandatory. If a temperature range is stated, a temperature within that range, reduced by the furnace tolerances, shall be selected to give the required properties. Unless otherwise specified, the furnace charge shall be maintained at the temperature subje
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