Microstructure and Tensile Properties of SS400 Carbon Steel and SUS430 Stainless Steel Butt Joint by Gas Metal Arc Welding

Poonnayom, Pramote; Chantasri, Sakchai; Kaewwichit, Jesada; Roybang, Waraporn; Kimapong, Kittipong

doi:10.17703/ijact.2015.3.1.61

Cited by 4 publications

(2 citation statements)

References 9 publications

(8 reference statements)

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“…P. Poonnayoml et al 14 have studied the butt joints of SS400 carbon steel and SUS430 stainless steel welded by the GMAW method and discussed the effect of welding current on the performance of the welded joint. D. Purnama1 et al 15 have proposed for dissimilar metal welding to use 100% CO 2 as the shielding gas which, compared with 90%Ar + 10%CO 2 mixed gas, resulted in more inclusions.…”

Section: Introductionmentioning

confidence: 99%

Investigation of distinct welding parameters on mechanical and corrosion properties of dissimilar welded joints between stainless steel and low carbon steel

et al. 2022

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The tensile strength and corrosion behavior of dissimilar welded joints are currently a subject of concern. In this work, gas metal arc welding (GMAW) and distinct welding parameters (welding current, arc voltage, and welding speed) were used to join 304 stainless steel (SUS304) and SS400 low carbon steel, and the ultimate tensile strength (UTS) of the dissimilar welded joints was investigated. A corrosion test was conducted by immersion in 3.5 wt.% sodium chloride (NaCl) solution for 7, 14, and 21 days. Based on tensile strength and Tafel testing, the welding parameters “Item 4” (welding current: 170 A, arc voltage: 20 V, welding speed: 40 cm/min) yielded good mechanical strength and low corrosion characteristics. The microstructure characterization showed that the area around the welded joints and SUS304 had more granular corrosion and corrosion tubercles with increasing immersion time. The chromium content gradually decreased. When exposed to the chloride environment, these welded joints easily underwent corrosion due to the loss of passivity. However, high-velocity oxygen-fuel (HVOF) spray used on the welded joints reduced the corrosion current density. Compared with the non-thermal spray sample (corrosion current density:7.49e − 05 A/cm2) while the corrosion current density (7.89e − 10 A/cm2) is five orders of magnitude lower. This spray effectively slowed down the corrosion rate of the welded joints and gave the structural objects good protection in the sodium chloride solution.

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Section: Introductionmentioning

confidence: 99%

Investigation of distinct welding parameters on mechanical and corrosion properties of dissimilar welded joints between stainless steel and low carbon steel

et al. 2022

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“…Applied Engineering, Materials and Mechanics II between SS400 steel and SUS304 stainless steel produced by a gas metal arc welding (GMAW) [14]. Small metals combined area of the SS400/the weld metal interface (Fig.…”

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Microstructure and Bending Strength of Dissimilar SS400/SUS304 Steels T-Fillet Joint by Gas Metal Arc Welding

Kimapong

Triwanapong

2018

KEM

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In this paper, experiments on welding a dissimilar SS400/SUS304 steel T-fillet joint using high chromium electrode, and an effect of welding current on joint properties were studied. T-joints wielded by the designed specific welding currents were mechanically prepared and systematically investigated for joint properties. The experimental results were summarized as follows. Dissimilar SS400/SUS304 steels T-fillet joint could be successfully welded using a gas metal arc welding process with no defect in a weld metal. The optimized welding current in this experiment was 160 A that showed the least crack length of 0.247 mm. from a bending test. A different chemical composition of low carbon steel and high chromium weld metal produced a small interface shown with a smaller mixed zone of reinforced elements and base metal. It was also affected to decrease in the joint strength. However, the increase in the welding current could increase a combination of reinforced elements and a base metal on the interface, and it showed an effect to increase in the joint strength.

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Laser and arc manufacturing processes: A review

Lee

Woo

Baek

et al. 2016

Int. J. Precis. Eng. Manuf.

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Microstructure and Tensile Properties of SS400 Carbon Steel and SUS430 Stainless Steel Butt Joint by Gas Metal Arc Welding

Abstract: Abstract

Cited by 4 publications

References 9 publications

Investigation of distinct welding parameters on mechanical and corrosion properties of dissimilar welded joints between stainless steel and low carbon steel

Investigation of distinct welding parameters on mechanical and corrosion properties of dissimilar welded joints between stainless steel and low carbon steel

Microstructure and Bending Strength of Dissimilar SS400/SUS304 Steels T-Fillet Joint by Gas Metal Arc Welding

Laser and arc manufacturing processes: A review

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