2016년 8월 4일

ASTM A350, Carbon and Low-Alloy for Piping

ASTM A350, Carbon and Low-Alloy for Piping STEELMAX Steel Story   ASTM A350은 탄소강과 저합금강이면서 Fitting, Valve, Flange 용도의 저온 충격용 Notch 인성 (Toughness)을 중요시한 단조강 […]
ASTM A350, Carbon and Low-Alloy for Piping
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