인장시편은 KS B0802 규격의 표준시험편으로 가공하여 질화조건 선정에 의해 확립된 질화조건에 따라 질화처리를 시행한 후 만능인장시험기를 이용하여 시험을 수행하였다.
Tensile specimens were processed into standard specimens of KS B0802 standard, and nitriding was performed according to the nitridation conditions established by selecting nitriding conditions, and then the test was performed using a universal tensile tester.