EN 3112-1995 en Aerospace Series - Bolts Normal Hexagonal Head Threaded to Head in Alloy Steel Cadmium Plated - Classification 900 MPa (at Ambient Temperature) 235 Degrees C《航空航天系列.pdf

1、1 CEN EN*3332 95 3404589 0303934 230 BRITISH STANDARD AEROSPACE SERIES a 4“ c iiv ail d# - Bolts, normal hexagonal head, threaded to head, in alloy steel, cadiurn plated - Classification: 900 MPa (at ambient temperature)/ 235 OC The European Standard EN 3112 : 1995 has the status of a British Standa

2、rd BS EN 3112 : 1995 CEN EN*3II12 95 = 3404589 0103935 II57 BS EN 3112 : 1995 Date This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 August 1995 O BSI 1995 Text affecte

3、d The following BSI references relate to the work on this standard: Committee reference ACE112 Draft for comment 88/76361 DC ISBN O 580 23875 X Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee ACE!12, Aerospace fasteners a

4、nd fastening systems, upon which the following bodies were represented: Association of Electronics, Telecommunications and Business Equipment British Industrial Fasteners Federation Ministry of Defence Society of British Aerospace Companies Ltd. Industries Amendments issued since publication Amd. No

5、. CEN EN*3332 95 D 3404589 O303936 093 = BS EN 3112 : 1995 Contents Committees responsible National foreword page Inside front page ii Foreword Specification 1 Scope 2 3 2 Normative references 3 3 Required characteristics 4 4 Designation 7 6 Marking 7 6 Qchnical specification 7. i CEN ENx3112 95 W 3

6、404589 Cil103937 T2T W BS EN 3112 : 1995 National foreword This British Standard has been prepared by Bchnical Committee ACEI12 and is the English language version of EN 3112 : 1995 Aerospace series - Bolts, normal hemgonal head, threaded to head, in alloy steel, cadium plated - Classification: 900

7、MPa (at ambient peratre)/235C, published by the European Committee for Standardization (CEN). EN 31 12 : 1995 was produced as a result of international discussions in which the United Kingdom took an active part. Cross-references Publication referred to EN 2000 : 1991 Corresponding British Standard

8、BS EN 2000 : 1992 Quality assurance - EN aerospace products - Approval of the quality system of manufacturers BS EN 2424 : 1995 Aerospace series - Marking of aerospace productsl) BS 2A 231 : 1993 Rolled threads for bolts - Lead and run out requiremen - Classifcation of defects : replace AQL 0.065% b

9、y 1%. 6.3 Requirements deleted - Qualification of bolts ; - Tensile strength ; - Double shear strength ; - Tension fatigue strength. CEN EN*3LL2 95 W 3404589 0303945 OTb W BS EN 3112 : 1995 List of references See national foreword. BS EN 3112 : 1995 J3SI 389 Chiswick High Road London W4 4AL 9508- 5-

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