2020년 9월 15일

SAE J2467, SAE 1021, Welded Cold Drawn

SAE J2467, SAE 1021, Welded Cold Drawn STEELMAX Steel Story   SAE J2467 규정은 SAE 1021 전기 저항 용접관이면서, 냉간 인발 탄소강, Normalized 열처리 된 튜브로, […]
SAE J2467, SAE 1021, Welded Cold Drawn
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