Volume 8, Issue 2 (Journal OF Welding Science and Technology 2023)
JWSTI 2023, 8(2): 53-68 |
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Kazemi S, Khalaf G, Afsari A, Marzban M. Investigation of Mechanical Properties in Welding of Stainless Steel SA240-TP316 and Steel SA516-GR60 Cladded with Stainless Steel SA240-TP316. JWSTI 2023; 8 (2) :53-68
URL: http://jwsti.iut.ac.ir/article-1-412-en.html
URL: http://jwsti.iut.ac.ir/article-1-412-en.html
1- Department of Mechanical Engineering, Shiraz Branch - Islamic Azad University - Shiraz, Iran.
2- Department of Mechanical Engineering, Shiraz Branch - Islamic Azad University - Shiraz, Iran. , Ah.afsari1338@iau.ac.ir
2- Department of Mechanical Engineering, Shiraz Branch - Islamic Azad University - Shiraz, Iran. , Ah.afsari1338@iau.ac.ir
Abstract: (961 Views)
Stainless steel cladding is the formation of an alloy by creating a thin layer of stainless steel on another metal. In this research, a layer of SA240-TP316 austenitic stainless steel was coated on SA516-GR60 steel. Experiments were conducted to compare the mechanical properties of SA240-TP316 and claded SA516-GR60 steel welds in order to investigate the possibility of replacing the SA240-TP316 steel alloy. Examining the results of the chemical analysis of SA240-TP316 alloy shows that the coating has a similar chemical composition to SA240 alloy and with increasing depth, the hardness of the weld metal and the percentage of chromium is higher and the percentage of molybdenum in the weld alloy is lower. Comparing the ultimate strength of SA516 alloy after cladding and welding with SA240 stainless base alloy shows the improvement of tensile strength. In the first case, the strength changes in the range of 470 to 503 MPa and in the second case in the range of 477 to 570 MPa. The highest hardness was obtained in the heat affected area. Bending test showed that bending without cracking up to 180 degree angle is a sign of weld metal remaining ductile. The results of the impact test also show the ability to absorb energy, especially around the voltage of 150 volts.
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