A copper-coated triple deoxidised mild steel rod.
Used with the TIG process it enables sound porosity free welds to be made on mild and low-alloy steels.
Typical applications include pipe welding and root runs on heavy vessels.
BS: 2901 A15, AWS ER70S-2,
EN 1668: W2T
Metal Composition Melting*C U.T.M N/mm2 Hardness BHN
0.1C, 0.6Si, 1.3Mn, 0.2Al 1450 440 120