The Castolin EutecT ECR4257 (part number 751500CAS) is a genuine rutile-cellulosic welding electrode from Castolin, designed for exceptional performance in welding mild and low-alloy structural steels. This 4.0 mm diameter, 350 mm long electrode, supplied in a 5 kg pack, offers excellent arc stability, easy slag removal, and a smooth weld bead. It is ideal for general fabrication and repair applications, meeting EN ISO 2560-A: E 42 0 RR 12 and AWS A5.1: E6013 standards for reliable and strong welds. With a tensile strength of 510 MPa, yield strength of 420 MPa, and 22% elongation, it ensures durable and high-quality welds.