2021년 1월 21일

A563 Nuts, A193 Nuts, A453 Gr.660 Fasteners

A563 Nuts, A193 Nuts, A453 Grade 660 Fasteners Steel STEELMAX Steel Story   ASTM A563 규정은 너트 재료로 탄소강과 합금강 재질 규정입니다. 합금 원소로 Nickel Chromium […]
A563 Nuts, A193 Nuts, A453 Gr.660 Fasteners
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