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SM520B Steel

2024년 1월 12일

SM420B Steel, SM520B Comparison, Plate

SM420B Steel, SM520B Comparison, Carbon Plate STEELMAX Steel Story   SM420B Steel 재질은 KS D 3515 용접 구조용 열간 압연 강재입니다. SM520B 재질은 이전에는 KS SM520B […]
SM420B Steel, SM520B Comparison, Plate
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