AECMA PREN 2960-1988 Aerospace Series Heat Resisting Nickel Base Alloy (NI-P101HT) Cold Worked and Solution Treated Bar for Machining for Fasteners 3 Less Than or Equal to D Less T.pdf

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1、Edition approved for publication 31 March 1988 Comments should be sent within six months after the date of publication decision A.E.C.M.A. 88, Bd. Malesherbes 75008 PARIS -FRANCE C5 Chairman J.ODORIC0 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under lic

2、ense with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2960 Page 3 1 Scope and field of application This standard specifies the requirements for bar and wire to be used for the manufacture of machining fasteners for aerospace applications. The requirem

3、ents in the condition of use are those which are to be met by the material supplied to the fastener manufacturer after full heat treatment. Unless otherwise indicated on the drawing, order or test sheet, this standard is to be used in conjunction with the referenced EN standards. 2 References EN 209

4、8-6, Inspection and testing requirements for titanium and heat resisting alloy wrought products - Part 6 - Inspection and testing requirements for bar and wire for fasteners - Aerospace series Round bars - Heat resisting alloys machined - Diameter 12 mm 5 D 5 180 mm - Dimensions - Aerospace series W

5、ikes - Heat resisting alloys - Diameter 0,2 mm 5 D 5 8 mm - Dimensions - Aerospace series. EN 2368, EN 2369, Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IH

6、S-,-,-1 AECMA PREN2960 BA W LOL23LL 0004564 - 0.- I Element Chemkai I c I si -t- -=-I- 0,lO I0,15 Method of melting Vacuum melted and consumable electrode remelted Form Method of production Limit dlmenslons 5.1 Technical speclficatlon Bar for machining Cold worked - Straightened and ground 3 1210 I

7、- 13 Reduction I of area l- - % 18 - I 350 4%5 385 - IHV I - Hardness Sheerstrength I & IMPa Bendlng k- Impact K - Temperature 1 f 1 Oc - Time h Elongation I a I % 5 20 Elongation -_ 3s Ine 98 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license wit

8、h AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AECMA PREN2960 AB = LOL23LL U004565 2 W _ 1 Grain size Designation Typical use prEN 2960 Page 5 . 2 Predominantly recrystallized grain size 3 or finer with isolated grains up to .25 mm (maximum dimension) allow

9、ed The rules governing the designation of semi-finished products ate indicated in standard EN 2600. When the codified designation is used, the identification code shall be as follows : Material standard tiumber I !-Letter code (see 6.2) Appropriate dimensional standard code (see 5.3) Data concerning

10、 dimension (see EN 2600) (i) Combination notched/unnotched test piece or separate notched and smooth test pieces. Rupture shall occur in the unnotched portion of the combined test piece. If separate test pieces are used, the time to rupture of the notched test piece shall exceed that of the unnotched test piece. Nuts, bolts and studs for engines Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-