Weldcote Er100S-1 Deposits Are High Strength Where Tough Weld Metal May Be Needed On A Variety Of Steels In Critical Applications. Er100S-1 Is Developed For High Yield Steels Such As: Hy-80, Hy-100, Hsla-80, Astm A514, A543, A724 And A782 Quenched And Tempered Steels Often Exceeding 100,000 Psi Tensile Strengths. Application Including Mining, Pressure Vessels, Shipbuilding, Military Equipment And General High Strength Fabrication. Weld Metal Yields A High Ductility With A Great Strength And Impact Resistance While Offering High Notch Toughness To -60 Degrees F. Er100S-1 Preheat And Interpass Temperature Of 275-350 Degrees F May Be Required. Weld Deposit Mechanical Properties Will Vary Depending On Heat Input Used.