304 لوله فولاد ضد زنگ 1 اینچ قطر سطح پولیش شده 1.5mm ضخامت

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, ...