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查看详情Thisstandardspecifiesthetermsanddefinitions,symbolsanddesignations,principle,testequipment,testpieces,procedure,calculationofbiaxialstress-straincurve,andtestreportofhydro-bulgingtestfordeterminingbiaxialstress-straincurveofmetallictubes.
Thisstandardisapplicabletothin-walledcircularcross-sectionedmetallictubeswiththewallthicknessnolessthan0.5mmandtheratioofdiametertothickness(externaldiameterandthickness)greaterthan20(includingbothseamlessandweldedtubes).
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