Difference between carbon steel elbow and stainless steel elbow
Speaking of the difference between carbon steel elbow and stainless steel elbow, we will think of the two different materials, one is carbon steel, one is stainless steel. In fact, in the final analysis, carbon steel elbow is just ordinary iron elbow. Carbon steel elbow common processing materials are 20 #, A3, Q235, Q235A, Q235B and so on. The stainless steel elbow is based on the carbon steel to increase chromium, Nickel, Mo and other alloy components. Stainless steel elbow common production materials are :304, 304L, 316, 316L, S30408, S30403, S31608, S31603 and so on.
The second difference between carbon steel elbow and stainless steel elbow is the use of performance characteristics of the two different. The difference in performance features comes down to different materials. Carbon steel elbow is common iron elbow, with good wear resistance and flexibility, simple production process, reasonable comprehensive economy, suitable for many conditions. But it is worth noting that carbon steel elbows are prone to corrosion and rust. Therefore, in general, carbon steel elbow welding after the need to do external paint anti-corrosion treatment. And stainless steel elbow on the basis of carbon steel increased chromium, nickel, molybdenum and other alloy components, its strength and flexibility index is stronger than carbon steel elbow, also can resist corrosion, acid and alkali rust, use without protective coating, stainless steel elbow connected after the pipeline leakage possibility is relatively small.
The third difference between carbon steel elbow and stainless steel elbow is that the two cleaning methods are different. Because stainless steel elbow corrosion and rust resistance, so, stainless steel elbow cleaning, according to the requirements of the workpiece and the surface condition of alkali washing, water-soluble cleaning agent, chlorine solvent sandblasting, shot blasting and other methods to clean, not pickling method for cleaning.
The above is the difference between carbon steel elbow and stainless steel elbow, I hope you can understand, and then choose the right elbow material to use.