Steel that has a continual abrasive sample etchech on No.four items. It is usually employed for building construction components for equally interior and exterior in addition to for sash, doors, and panels in propertiesTh2 Kh? n?ng ch?ng ?n mòn c?a inox 316L – ??c ?i?m và ?ng d?ng Ch?c n?ng bình lu?n b? t?t ? Kh? n?ng ch?ng ?n mòn c?a inox 31