This standard specifies selection and preparation of tower sample, testing method of hair crack, indication and assessment of test result, and test report for steel products.
This standard is applicable to tower sample steels which the hair crack quantity, length and distribution are tested (inspected) with etch testing method.
This standard specifies selection and preparation of tower sample, testing method of hair crack, indication and assessment of test result, and test report for steel products.
This standard is applicable to tower sample steels which the hair crack quantity, length and distribution are tested (inspected) with etch testing method.