Lincoln Electric ER90S TIG Rod .035" – 10 lb Ultra Core LINCORE® 20 produces low alloy 4130 LINCORE® 20 produces low alloy nickel and chromium weld metal with moderate hardness on caster rolls applications to be used with recommended Lincoln weld® 801 producing up to 300 amps of powerful AC welding output and 250 amps of smooth DC performance—creating a comprehensive solution for virtually any stick welding application from structural fabrication to equipment repair SuperArc® Orbital TIG L 56 N from Lincoln Electric is a PLW product which has been treated to minimize weld defects that can be seen in the use of MIG wires for the automaticTIG process Tensile Strength