BS 3L 58:1971 pdf download.Wire for solid, cold-forged rivets of aluminium-5 % magnesium alloy.
1 Inspection and testing procedure This British Standard shall be used in conjunction with Sections 1 and 12 of BS L 100.
2 Quality of material The material shall be made from aluminium and alloying constituents, with or without approved scrap, at the discretion of the manufacturer.
3 Chemical composition The chemical composition of the material shall be:
4 Condition The wire shall be supplied annealed.
5 Heat treatment None.
6 Mechanical properties
6.1 Tensile test. The tensile strength of test pieces, selected and prepared in accordance with the relevant requirements of BS L 100, shall be not less than 265 N/mm 2 . NOTE 1 N/mm 2 = 1 MN/m 2 = 0.102 kgf/mm 2 = 0.1 hbar = 0.065 tonf/in 2 . Information on SI units is given in BS 3763, “The International System of units (SI)” and in PD 5686, “The use of SI units”. See also BS 350, “Conversion factors and tables”.
6.2 Torsion test. The torsion test shall be carried out on a sample in the condition as delivered.
7 Identification colour The identification colour for the wire shall be green.
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BS 3L 58 pdf download.