Properties of stainless steel elbows
Stainless steel elbows do not corrode, pitting, rusting or wear. The corrosion resistance of stainless steel elbow decreases with the increase of the carbon content of stainless steel, therefore, the carbon content of most stainless steel elbow is low, its main alloying element is Cr, when Cr content reaches a certain value, stainless steel elbow has corrosion resistance.
What can play a role in stainless steel elbow:
Chromium is the basic element to make the stainless steel elbow corrosion resistance, when the chromium content in the stainless steel elbow material reaches 12% or so, chromium and the oxygen in the corrosive medium, the formation of a thin oxide film on the surface of the elbow, and prevent the further corrosion of the elbow. In addition to chromium, common alloying elements are nickel, molybdenum, titanium, niobium, copper, nitrogen, etc., in order to meet the different pipeline environment on the structure and performance of stainless steel requirements.
Stainless steel elbow is divided into 304 stainless steel elbow and 316 stainless steel elbow
304 stainless steel elbow is widely used stainless steel elbow, heat resistant steel elbow. Used in food production equipment, general chemical equipment, nuclear energy, etc. 304 stainless steel is a kind of universal stainless steel material, rust resistance performance is better than 200 series stainless steel material. High temperature resistance is also relatively good, can be as high as 1000-1200 degree