Mechanical and metallurgical properties of GTAW dissimilar welds between SUS304 and SA213T11 using ER308 filler metal, preliminary study

• Autorzy: Hamdani Hamdani , Akhyar Akhyar , Rizwan Thaib , Sasmito Agus , Suhartono H Agus

Identyfikatory

DOI

10.12913/22998624/204768

• Języki publikacji: EN

Abstrakty

EN

Dissimilar welding between austenitic stainless steel SUS304 and low alloy ferritic steel SA213T11 is widely used in the petrochemical and power generation industries because this combination is suitable for use in corrosive and high-temperature environments. This study presents a preliminary investigation of dissimilar metal welding between austenitic stainless steel SUS304 and low-alloy steel SA213T11 using Gas Tungsten Arc Welding (GTAW) with ER308 filler metal. The mechanical and metallurgical properties of the welded joints were evaluated through hardness testing, tensile testing, bend testing, and microstructural analysis. The results show that the welds produced are of acceptable quality, with sound bead appearance and no visible surface defects. Hardness values vary across different weld regions, with the weld zone exhibiting higher hardness due to the presence of δ-ferrite. Tensile tests indicate that the weld strength is comparable to or greater than the weaker base metal, and failure occurs outside the weld region. Microstructural observations reveal significant changes in the heat-affected zones and weld metal, influenced by the thermal cycle and filler composition. These findings provide insight into the performance of ER308 in joining dissimilar metals, which is relevant for applications in power and petrochemical industries.

Słowa kluczowe

EN

dissimilar welding; GTAW; SUS304; SA213T11; ER308; mechanical properties; microstructure

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2025
• Tom: Vol. 19, no. 8
• Strony: 77--89
• Opis fizyczny: Bibliogr. 53 poz., fig., tab.

Twórcy

autor

Hamdani Hamdani

• Doctoral Program-School of Engineering, Universitas Syiah Kuala, Jl. Tgk. Chik Pante Kulu No. 5 Komplek Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
• Department of Mechanical Engineering, Politeknik Negeri Lhokseumawe, Jl. Banda Aceh-Medan KM. 280 Buketrata, Lhokseumawe 24301, Indonesia

autor

Akhyar Akhyar

• Doctoral Program-School of Engineering, Universitas Syiah Kuala, Jl. Tgk. Chik Pante Kulu No. 5 Komplek Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
• Department of Mechanical Engineering, Universitas Syiah Kuala, Jl. Syech Abdurrauf No.7 Darussalam, Banda Aceh 23111, Indonesia

• https://orcid.org/0000-0003-2006-0126

autor

Rizwan Thaib

• Department of Capture Fisheries, Marine and Fisheries Faculty, Universitas Syiah Kuala, Jl. Putro Phang, Darussalam, Banda Aceh 23111, Indonesia

autor

Sasmito Agus

• National Research and Innovation Agency of Indonesia, Jl. Hidrodinamika, Sukolilo, Surabaya 60112, Indonesia

autor

Suhartono H Agus

• National Research and Innovation Agency of Indonesia, Jl. Raya Puspitek Kawasan Sains dan Teknologi KST BJ. Habibie, Serpong, Gedung 220, Setu, Tangerang Selatan 15314, Indonesia

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