16MnCrS5, 1.7139, EN 10277-4, Bright Bar STEELMAX Steel Story EN 10277-4, 16MnCrS5, 1.7139 재질은 표면 경화용강으로 쓰이는 Chromium 합금 마환봉 (bright bar) 합금강재입니다. 1.7139 합금강은 […]
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