SAFETYprimer or other such coatings. Con- or otherwise removed, however, in be- and T-9 wires have rutile slag, a feature tact a trusted ? ller metal manufac- tween each pass and after welding. known for being easier to operate. T-9 turer for the best recommendation. Traditional ? ux-cored wires with and T-12 wires have similar impact That said; ? ux-cored wire is often an an American Welding Society (AWS) properties, such as a minimum of 20 ideal option for welding primer-coat- T-1, T-9 or T-12 designator — for ex- foot-pounds at -20 degrees Fahrenheit, ed steel. The ? ux inside of these wires ample, E71T-1C H4, E71T-9C H4 while a T-1 wire offers a minimum of often contains scavengers that are and E71T-12C H4 — can be used 20 foot-pounds at 0 degrees Fahren-good at collecting impurities like zinc for a primer-coated welding applica- heit. T-9 and T-12 wires are typically that compile in the form of slag after tion due to their excellent chemical best when welding primer-coated paint each pass. This slag must be chipped and mechanical properties. The T-1 for ships that will encounter extremely cold or even arctic temperatures. Wires with a “J” classi? cation, such as E70T-1C/-9CJ H8 are also very well suited for welding primer-coated steel on ships encountering arctic temperatures, It’s time to upgrade.as these provide excellent low-tempera-ture impact strength — a minimum of Samson’s SATURN-12 outlasts and 20 foot pounds at -40 Fahrenheit. outperforms other HMPE ropes by 15–20%Flux-cored wires with a T-5 desig-nator are another option but can be S Saturn-12 a bit more dif? cult to operate due to h holds up to the rigors fa faced by push boats on their basic slag system. The bene? t of in inland rivers. Proprietary using these wires, however, is that they c coatings at the ?ber level provide excellent mechanical proper-re reduce external and internal a abrasion for signi?cantly ties. Some of these wires available in lo longer working life.the marketplace are also unique in that L L Li Lightweight, high-strength they can be operated on electrode nega-ba barge lines mean added tive or electrode positive, an added ver-sa safety, easy handling, an and more makeups satility depending on the application.UPGRADEan and knockdowns before Electropositive welding (DCEP) re retirement. That’s real, m measurable value.provides better penetration while elec-tronegative welding (DCEN) increases LI LIGHTWEIGHT HIGH ST STRENGTHdeposition rates. During DCEN, the ADDED SAFETY & process provides approximately 2/3 EASY HANDLINGof the heat to the ? ller metal and 1/3 REDUCED ABRASION to the base material, which also helps FOR LONGER WORKING LIFEcontrol heat input and distortion. T-5 wires offer impact values at a minimum of 20 foot-pounds at -20 de-grees, similar to T-9 and T-12 products. T-5 wires also have a high capacity for absorbing oxygen so there is less risk of UPGRADE UPGRADEthis atmospheric contamination. Metal-cored wire can also collect im-purities like zinc from primer-coated steel but is not quite as well suited for this application as ? ux-cored wire. One drawback to using metal-cored wire in Sales@PaducahRigging.com PaducahRigging.com this application is the manner in which (270) 443-3863 it operates. This wire commonly uses a November 2016MN Nov16 Layout 32-49.indd 36 10/21/2016 2:29:51 PM