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1、International Standard 244 INTERNATIONAL ORGANIZATION FOR STANDARDIZATlON.MEXJlYHAPOHAR OPrAHH3AWlR I-IO CTAH+ Tkl3Al - to prevent inadvertent use of equipment. NOTE - Sealing wire can also be used to ensure the non-disturbance of adjustment. 3 REQUIRED CHARACTERISTICS 3.1 Dimensions 3.2 Material St
2、eel with a tensile strength between 230 and 300 MPa shall be used. 3.3 Surface treatment Core wire and layer wire shall be zinc coated before wrapping. 3.4 Breaking strength The sealing wire shall not have a breaking strength over 36 N. 3.5 Linear density The sealing wire shall have a linear density
3、 of approximately I,3 x 10e3 kg/m. 3.6 Procurement At room temperature, the sealing wire shall withstand, without breaking or cracking, bending through 180” over a mandrel of the same diameter as the nominal wire diameter. TABLE - Dimensions D nom. mm O,B E F G Sectional Hole diameter max. min max m
4、in. ref. area min mm mm mm mm mm mm2 mm 0,35 0,30 0,25 0.22 1 0.12 0.9 NOTE - The layer wire may be laid over the core wire in either a left-hand or right-hand direction 1 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standard
5、s 1/9972545001 Not for Resale, 04/25/2007 21:23:42 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/25/2007 21:23:42 MDTNo reproduction or networking permitted without license from IHS -,-,-