: High strength low alloy (HSLA) steels have higher strength and corrosion resistance with respect to plain carbon steels, but they are vulnerable to corrosive ions such as chloride present in seawater. On the other hand, super duplex stainless steels have acceptable mechanical properties and corrosion resistance, particularly pitting corrosion and stress corrosion cracking in environments containing chloride ions. Due to the combination of high strength and high corrosion resistance, these steels have been used in various applications. Super duplex stainless steels used mainly in fabricating of centrifugal separators which are constantly exposed to abrasive corrosion and tribocorrosion. So, cladding HSLA steels with super duplex stainless steels can be a reasonable method for manufacturing centrifugal separators with lower cost. By reviewing the literature, it is evident that few attempts have been made to clad duplex stainless steels on plain carbon or high strength low alloy steels, and none of them - despite the accurate control of heat input in gas tungsten arc welding process (GTAW) – has been attributed to GTAW. Also, using pulsed current in cladding – and welding - of duplex stainless steels has not been investigated thoroughly yet. So, in this study, after optimizing the cladding process using pulsed current gas tungsten arc welding (PCGTAW) method with response surface methodology (RSM), the effect of pulsed current on the corrosion and tribocorrosion properties of clad metals was investigated. In this way, the X-ray diffraction (XRD) was used to determine the present phases in the clad metal, optical and scanning electron microscopes were used to investigate the microstructure, potentiodynamic and cyclic polarization were used to examine the corrosion behavior, electrochemical impedance spectroscopy (EIS) was used to determine corrosion mechanism, and tribocorrosion tests in open circuit potential (OCP), anodic polarization, and cathodic polarization were used to assess the tribocorrosionbehavior of clad metals. XRD results showed that ferrite and austenite were the only phases present in the clad metals. Microstructural investigation showed that despite the fact that only ferrite and austenite phases were formed in constant and pulsed current cladding, using pulsed current was caused the formation of secondary austenite. The presence of secondary austenite along with widmanstatten morphology of ferrite and austenite in the microstructure of sample produced by pulsed current resulted in significant increase in corrosion rate and passivation current density in potentiodynamic polarization test. Also, the larger hysteresis loop of sample produced by pulsed current in the cyclic polarization test confirmed the greater sensitivity of this sample to pitting corrosion. EIS results indicated that the films formed on the surface of both samples were flawed and non-ideal. Polarization resistance obtained after modeling with equivalent circuitin EIS test showed that polarization resistance of pulsed current clad sample was lower. Results of tribocorrosion tests show that corrosion accelerated wear was the dominant mechanism of destructionin both samples, but the total amount of volume loss in the anodic polarization test of pulsed current clad sample was about five times higher than constant current clad sample. This was attributed to higher passivation current density of pulsed current clad sample. Key Words: High Strength Low Alloy Steel, SuperDuplex Stainless Steel, Cladding, Corrosion, Tribocorrosion