BS 2L 509-1973.pdf
《BS 2L 509-1973.pdf》由会员分享,可在线阅读,更多相关《BS 2L 509-1973.pdf(6页珍藏版)》请在三一文库上搜索。
1、BRITISH STANDARD AEROSPACE SERIES BS 2L 509: 1973 (Superseding BS L 509) Specification for Tube of magnesium 1: % zinc-zirconium alloy (Suitable for welding by inert-gas shielded arc techniques) (Zn 1.25, Zr 0.6) UDC 629.7:669.721.55296 462 126 Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28
2、14:20:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2L 509:1973 This British Standard, having been approved by the Aerospace Industry Standards Committee, was published under the authority of the Executive Board on 15 March 1973 BSI 01-2000 The following BSI references relate to the work on this
3、standard: Committee reference ACE/24 Draft for comment 71/34276 ISBN 0 580 07128 6 A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itsel
4、f confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, page 1 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment tabl
5、e on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:20:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2L 509:1973 BSI 01-2000i Contents Page 1Inspection and testing procedure1 2Quality of material1 3Chemica
6、l composition1 4Condition1 5Heat treatment1 6Mechanical properties1 Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:20:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:20:17 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2L 509
7、:1973 BSI 01-20001 NOTE 1Only simple bending or shaping operations can be made on this material without heating. Most forming operations can be successfully carried out at a temperature of approximately 300 C in heating to which temperature a loss in tensile properties of the material up to about 10
8、 % must be expected. This material must not be heated above 400 C, since this would result in losses in tensile properties greater than 10 %. NOTE 2Other forms of material of this composition are covered by the following British Standards: BS L 508, Bars and extruded sections. BS L 515, Sheet and st
9、rip. 1 Inspection and testing procedure This British Standard shall be used in conjunction with Sections 1 and 8 of BS L 500. 2 Quality of material The material shall be made from magnesium and alloying constituents, with or without approved scrap at the discretion of the manufacturer. 3 Chemical co
10、mposition The chemical composition of the cast billets used for making the material shall be: 4 Condition The material shall be supplied as-extruded and straightened. 5 Heat treatment None. 6 Mechanical properties 6.1 Tensile test. The mechanical properties obtained from test pieces selected and pre
11、pared in accordance with the relevant requirements of BS L 500 shall be not less than the following values: Element % min.max. Zinc0.751.5 Zirconium0.40.8 Manganesea0.15 Coppera0.03 Aluminiuma0.02 Silicona0.01 Irona0.01 Nickela0.005 MagnesiumRemainder a Subject to the discretion of the Inspecting Au
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BS 2L 509-1973 509 1973
链接地址:https://www.31doc.com/p-3732092.html