BS-L-515-1973.pdf
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1、BRITISH STANDARD AEROSPACE SERIES BS L 515: 1973 (Superseding BS L 507) Specification for Sheet and strip 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 41 Licensed Copy: London South Bank University, Londo
2、n South Bank University, Sat Dec 09 02:58:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS L 515:1973 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 ref
3、erences relate to the work on this standard: Committee reference ACE/24 Draft for comment 71/34276 ISBN 0 580 07168 5 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
4、 British Standard does not of itself 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
5、 be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:58:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS L 515:1973 BSI 01-2000i Contents Page
6、1Inspection and testing procedure1 2Quality of material1 3Chemical composition1 4Condition1 5Heat treatment1 6Mechanical properties1 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:58:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: Londo
7、n South Bank University, London South Bank University, Sat Dec 09 02:58:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS L 515:1973 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
8、temperature of approximately 300 C in heating to which temperature a loss in tensile properties of the material up to about 10 % 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
9、 this composition are covered by the following British Standards: BS L 508, Bars and extruded sections. BS L 509, Tube. 1 Inspection and testing procedure This British Standard shall be used in conjunction with Sections 1 and 6 of BS L 500. 2 Quality of material The material shall be made from magne
10、sium and alloying constituents, with or without approved scrap at the discretion of the manufacturer. 3 Chemical composition The chemical composition of the cast slabs used for making the material shall be: 4 Condition The material shall be supplied as-rolled or as-rolled and flattened. 5 Heat treat
11、ment None. 6 Mechanical properties 6.1 Tensile test. The mechanical properties obtained from test pieces selected and prepared 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.
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