Stainless Steel Pipe Fittings 180 Degree BW Elbow OD80X3MM ASTM A182 F304

Stainless Steel Pipe Fittings 180 Degree BW Elbow OD80X3MM ASTM A182 F304

Introduction of  Elbows

In a pipe system, an elbow is a pipe fitting that changes the direction of the pipe. According to the angle, there are three most commonly used elbows: 45 ° and 90 ° and 180 °. In addition, 60 ° and other abnormal angle elbows are also included according to the needs of the project. Elbow materials include cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics.

The connection methods with pipes include direct welding (the most commonly used method), flange connection, hot melt connection, electric fusion connection, threaded connection and socket connection. According to the production process, it can be divided into: welding elbow, stamping elbow, pushing elbow, casting elbow, butt welding elbow, etc. Other names: 90 degree elbow, right angle bend, etc.

For 304 stainless steel, Ni element in its composition is very important, which directly determines the corrosion resistance and value of 304 stainless steel.

The most important elements in 304 are Ni and Cr, but they are not limited to these two elements. The specific requirements are specified in the product standards. According to the common judgment in the industry, 304 stainless steel can be considered as long as the Ni content is greater than 8% and the Cr content is greater than 18%. This is also why this kind of stainless steel is called 18 / 8 stainless steel in the industry. In fact, the relevant product standards have very clear provisions on 304, and these product standards have some differences for different shapes of stainless steel. Here are some common product standards and tests.

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