Carbon steel flange, namely bulk material is carbon steel flange or end flange connections. Flange which contains carbon steel, known as carbon steel flange.

Common materials for the casting, forging steel grade WCB A105, or Q235B, A3, 10#, #20 steel, 16 manganese, 45 steel, Q345B etc..

Usually to prevent rust flange surface plating (yellow zinc, white zinc), or brush anti-rust oil and spray paint processing.

Carbon steel flange close and reliable. It has two sealing surface, and the current valve sealing surface material widely used plastic, good sealing performance, and can be completely sealed. Because the carbon steel flange in the opening and closing process is clean, so can be used with solid particles suspended in the medium. Model Q41F--16C Q41F--25C American Standard A105 about 0.9% (standard is 1.05Max with carbon content decreases to 1.65%Max) to the national standard 16Mn content at about 1.3% (1.2% ~ 1.6%) S25C standard would be relatively low in 0.6% following.