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This standard specifies the method principle, instrument and equipment, specimen, test condition, pre-test parameter determination, testing procedures, test data processing and test report of bending stress relaxation test method for copper and copper alloys materials.
This standard is applicable to the determination of bending stress relaxation properties of copper and copper alloys sheet and strip with thickness of 0.1 mm-1.0 mm under constant strain condition.
17704692435




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