What is the material of seamless elbow

Seamless elbow is an important pipe fitting for pipe connection, and its material selection is very important for the reliability of pipe system. The following is a detailed introduction to the commonly used materials of seamless elbows:

1. Carbon steel

Carbon steel is one of the commonly used seamless elbow materials. It has good strength and hardness, relatively low price, can adapt to a variety of conditions. In the general industrial field, carbon steel seamless elbows can withstand high temperature and high pressure situations, such as petroleum, chemical, electric power and other industries. Carbon steel seamless elbows are usually manufactured according to ASTM A234 standards, and common materials are ASTM A234 WPB, ASTM A420 WPL6 and so on.

2. Stainless Steel

Stainless steel seamless elbow is a kind of pipe fitting with good corrosion resistance, which is suitable for use in wet and corrosive environment. Stainless steel seamless elbows can work at high and low temperatures, are not easy to rust, and have a long service life. Commonly used stainless steel materials are 304, 316, 321, etc., corresponding to WP304, WP316, WP321 in ASTM A403 standards.

3. Alloy steel