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Journal : Journal of Welding Technology

Analysis of quenching temperature variations in the heat straightening processFor multiple ripair FCAW welding HSLA SM490YA material Wahyudi, Mohammad Thoriq; Amri, Moh Syaiful Amri; Ari, Muhamad; Adam, Mukhlis; Hamzah, Fais; Novaldi, Azriel Harsha
Journal of Welding Technology Vol 5, No 2 (2023): December
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jowt.v5i2.4633

Abstract

In the steel structure fabrication industry, girders play a crucial role as supporting beams during construction. The girder's components include end plates and beams, with the end plate serving as a critical connection point for the beam to the column. Welding at this juncture demands careful consideration. This analytical research focuses on the impact of multiple repair welding and quenching temperatures during the heat straightening process on the toughness and microstructure of HSLA SM490YA material, utilizing FCAW welding. To assess the effects of multiple repair welding, the study compares different repair scenarios—welding without repair, two repairs, and three repairs, all performed at a 50% depth. Subsequently, the heat straightening process occurs at a temperature of 650ºC on the repaired material. Post-heat straightening, quenching is carried out with temperature variations of 650ºC, 475ºC, and 300ºC. The findings indicate that the repair process during welding and subsequent quenching after the heat straightening process leads to a decrease in toughness values. This results in a finer grain size, with the material phase predominantly composed of pearlite. These research outcomes should be carefully considered by industry professionals, particularly in critical connections, when determining quenching temperatures after the heat straightening process in repair procedures.
Co-Authors , Lukman Handoko Abdul Razaq Adam, Mukhlis Adelia Tanti Ramadhani Adi Wirawan Husodo Akmal Haidar Derry Farras Anda Iviana Juniani Ardiansyah Ari Wibawa Budi Santosa Ari, Muhamad Bachtiar Dafik Prayogi Bagus Brillian Putra Kharisma Bayu Wiro Karuniawan Bayu Wiro Kurniawan Brian, Thomas Budianto . Budianto Budianto C. I. Sutrisno Dhika Aditya P Dhika Aditya Purnomo Diga Rahmat Novandra Edy Prasetyo Hidayat Fahmi Umasangadji Farizi Rachman Fipka Bisono Haidar Natsir Amrullah Hakam, Muhamad Hera Zulvi Fahriyatul Wahidah Hikmah Wijayanti I Putu Sindhu Asmara Imam Sutrisno Indrawan, Rizal Joessianto Eko Poetro Karuniawan, Bayu Wiro Kharismawan Dwi Febrianto Kurniawan, Bayu W. LUKLU'UL FITRIYAH SUSANTI M Ade Riawan Mades Darul Khairansyah Moh. Syaiful Amri Mohamad Hakam@ppns.ac.id Mohammad Fikar Usman Mustofa Muchammad Ragil Prawira Muhamad Hakam Muhammad Zia’ulhaq Iqramullah Mutiara, Arun Sukma Nafi Almuzani Nanda Evan Renato Nizar Zulfika, Dicki Novaldi, Azriel Harsha Nurul Huda Bahari Obaja Eden Sentosa Riyanto parman parman Pranowo Sidi Primaningtyas, Widya Emilia Priyambodo Nur Ardi Nugroho Projek Priyonggo Sumangun Lukitadi Purnomo, Dhika A. Purnomo, Dhika Aditya Rafly Bagus Falqi Rahmat Wahyu Jati Pratama Renanda Nia Rachmadita Reza Fardiyan As’ad Reza Vannessa Valentina Reza Vannessa Valentina Rizal Indrawan Romy Miftach Abdillah Sarah Salsabillah Fiddin Sidi, Pranoto Sylvano Nehemia Leksono Tarikh Azis Ramadani Thina Ardliana, Thina Tri Andi Setiawan Tri Tiyasmihadi Tsany, Rahmat Basya Shahrys Uhaque, Salsabila Diya Urip Mudjiono Wahidah, Hera Zulvi Fahriyatul Wahyudi, Mohammad Thoriq Wardani, Lintang Aditya Yasmin Anisah Yogi Setiawan Zidane Al Bayan Sulaksono