Oerlikon Extra description: EXTRA is a basic-coated multi-purpose double-coated MMA electrode for metal construction, workshop and
maintenance welding. The double coating of this electrode confers a stable and concentrated arc with good gap bridging characteristics. Excellent for root pass and positional welding. Approved for rail joint welding by DB, tensile strength < 685 MPa.
Material to be welded: S(P)235; S(P)355; GP 240; GP 280; L245; L260.