Esab Coreweld 80-D2 description: Coreweld 80-D2 is a metal cored wire equivalent to ER80S-D2 solid wire. Coreweld 80-D2 produces higher deposition rates, better wetting action, with an absence of copper coating on the wire. Coreweld 80-D2 was developed for HSLA steels. This product is capable of single or multiple pass welding.