304 ống thép không gỉ đường kính 1 inch bề mặt đánh bóng Độ dày 1,5mm

Steel is an alloy of iron and carbon. Stainless steels are steels containing at least 10.5% chromium, less than 1.2% carbon and other alloying elements. Stainless steel’s corrosion resistance and mechanical properties can be further enhanced by adding other elements, such as nickel, molybdenum, ...