Stainless Steel Pipe Fittings

The type of elbow

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Type of elbow

The elbow is used in the pipe system to change the direction of the pipe fittings, according to the angle of the points can be divided into 45 °, 90 ° and 180, these three are the most common elbow. There are some other angles of the elbow, the angle can be based on the specific use of the environment to any transformation. Elbow material is usually cast iron, stainless steel, alloy steel, carbon steel, nonferrous metals, plastics and so on.

There are many types of elbows, and there are many ways to connect with the pipeline: direct welding, flange connection, hot melt connection, fused welding, threaded connection. Where direct welding is the most common way. If the elbow in accordance with the production process can be divided into: welding elbow, stamping elbow, pushing elbow, casting elbow, butt welding and so on.

According to the material of the elbow, the elbow can be divided into the following:

To material division

Carbon steel: ASTM / ASME A234 WPB, WPC

Alloy: ASTM / ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911, 15Mo3 15CrMoV, 35CrMoV

Stainless steel: ASTM / ASME A403 WP 304-304L-304H-304LN-304N

ASTM / ASME A403 WP 316-316L-316H-316LN-316N-316Ti

ASTM / ASME A403 WP 341-321H ASTM / ASME A403 WP 347-347H

Low temperature steel: ASTM / ASME A402 WPL3-WPL 6

High performance steel: ASTM / ASME A860 WPHY 42-46-52-60-65-70

Source: China Elbow Manufacturer – Yaang Pipe Industry Co., Limited (

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Pipe Fittings

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