The main alloying element that gives stainless steel round bar - its corrosion resistance is chromium (Cr), typically comprising 10.5% or more of its composition. When exposed to oxygen, chromium forms a passive oxide layer that protects against rust and chemical damage. This property makes stainless steel threaded rods and stainless steel round bars ideal for marine, chemical, and fo... https://onetouchexim.com/product-category/welding-electrode-rod/graphite-rod/