stainless steel
https://canvas.instructure.com/eportfolios/125310/claytonssms808/How_Technology_Is_Changing_How_We_Treat_steel_pipes
Amardeep steel is among the leading and most popular maker, trader and provider of stainless steel, high nickel steel, alloy steel, carbon steel in form of pipe, fittings, flanges, fasteners, plate, round bar and