Get high-quality Low Temperature Carbon Steel Weld Neck Flanges from a leading manufacturer. Our flanges are 6 inches in size, DN150, and designed for Class 300 LB and PN100 applications. They are made from forged steel ASTM A350 LF2, ensuring durability and strength. With an ASME B16.5 standard and SCH 40 rating, these flanges are suitable for a wide range of industrial applications. Choose our RF flanges for reliable and efficient connections.