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Analisis Pengaruh Parameter Pengelasan terhadap Heat Input pada Proses GTAW Multipass Pipa ASTM A36 Maryadi, Maryadi; Zulfikar, Muhammad; Arifiansah, Arifiansah; Farudin, Tugiman
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 5 No 1 (2026): April
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v5i1.423

Abstract

This research aims to evaluate heat input calculations in multipass Gas Tungsten Arc Welding (GTAW) on ASTM A36 steel pipe. The primary parameters investigated include current, voltage, and welding speed, incorporating a process efficiency factor (η = 0.7). The research methodology employs an experimental approach where heat input values are systematically calculated for each welding layer. The results indicate that increases in current and voltage are directly proportional to the rise in heat input, whereas an increase in welding speed is inversely proportional to it. Specifically, the highest heat input was observed in the root layer at 2.43 kJ/mm, followed by the filler layer (2.20 kJ/mm), capping layer (2.08 kJ/mm), and hot pass layer (2.00 kJ/mm). Metallurgically, these findings indicate that excessive heat input can trigger grain growth in the Heat Affected Zone (HAZ), while insufficient heat input can lead to lack-of-fusion defects. This study significantly contributes to understanding thermal energy distribution across multipass welding layers, providing a fundamental basis for determining optimal parameters to ensure high-quality weld joints.
Co-Authors , S.Si., MT., Subarsyah . Hasbunallah AS Abbas, Ihsan Abdul Ghofar Abdul Rahman Abdul Wadud, Abdul Adly, M. Amar Afriyanti, Serlina Triya Agung Putra Jamin, Muhammad Ajie, Hamidillah Aksir, Muh. Ilham Albab, Ali Alhamdika, Zidan Alindra, Afridha Laily Alridho Lubis, Muhammad Andharani, Sri Nastiti Andi Atssam Mappanyukki Andini, Diah Yola Anggraini, Dinda Annisa Rahmania Ardhianto, Erdiek arif ali, arif Arifiansah, Arifiansah Arimbi Astuti, Rivana Agustina Tri Aulia, Syifa Siti Awal, Asri Azzahra, Mai Lindah Azzahra, Naufia Nurzakiyyah Baskoro, B. Harjo Bona Daud Damanik, Matthew Bustang Bustang Bustang Chaindra, Willy Cipta Perdana Hamkaputra, Daeng Cucu Surahman D, Deborah Deny Setiady Dewi Setiawati Dewi, Ainun Karuni Dwi, Ghanistantiono Eko Saputro, Eko Faisal, Farid Fanani, Agus Farudin, Tugiman Fathur Rokhman Fauzia, Azhar Syifa Fuadah, Riqotul Gutji, Nelyahardi Haeril Hakim, Zulfahnur Taufiqul Hamdi, Muhammad Hamzah, Alimin Hanwita, Aulia Anggit Harahap, Nur Hasanah Hasmyati Hasmyati, Hasmyati Hasyim, Iqbal Hayani, Aida Helen Sasty Pratiwi, Helen Sasty Henry Munandar Manik Heri Maria Zulfiati, Heri Maria Herry Purnama, Herry HIKMAD HAKIM Hilal, Fatmawaty Hilman Jihadi, Hilman Husnul, Darul Hutabarat, Keren Hapug Ichsani, Ichsani Ikadarny Imam Setiadi, Imam Imam Yazid Iswanto, Hanif Josua Pratama, Darell Justin, Justin Kayla, Amanda Jesya Kelmah, Sofwan Muhammad lestari, Ermida Linardo Pratama Listiandi, Arfin Deri Lukman Nul Hakim M. Kurniawan, M. Ma'arif, Mahmuda Muda Maharani, Ajeng Putri Maryadi Maryadi Marzuqi, Yasir Maulana, Dade Muffatimah, Septi Nur Magfirotul Muhammad Ferdiansyah, Muhammad Muhammad Harliawan Mujiburahman, Muhammad Nauval, Faris Nazar Nurdin nelyahardi, nelyahardi Nur Hidayati Nur Indah Atifah Anwar Nuraini Purwandari Nurcahyani, Sabbila Nurjiah, Siti Sarah Nurliani Nurnilamsari, Nurnilamsari Oktaviani, Vina Otto, Nathanael Pambudi, Galang Satria Prabowo, Bangkit Yudho Prasetyo, Yofi Pratiwi, Utami Murti Putri, Belynda Salsa Putri, Sinta Nurzulina Rahmad Wijaya Rahmadhani, Rauly Rahman, K A Rahmayanty, Dinny Rahmi Yulia Ningsih Ramadhani, Delia Nanda Ramli Ramli Ridwan, Andi Ridwanullah, Feisal Leonard Rino Subekti Riqotul Fuadah Riza Rahardiawan Rizwana Akila, Ozza Rodia Simanullang, Adelina Rudianto, Eko Rudy Dwi Nyoto, Rudy Dwi Rully Andi Yaksa Saputra, Luffy Eza Setiadi, Rizki Setianingsih, Aprilia Setiyadi, Bradley Setyanto, Agus Silvana Syah Siti Rochmiyati Soleha, Maratus Sudirman, Akbar Suharyanto H. Soro Suherman, Irwan Hidayat Sunyoto Sunyoto suryaningsih Syamsul Bahri Thoha, Ahmad Faiz Khudlari Udin Supriadi Valen , Lovia Wadud, Muhammad Wahid, Wahyana Mujari Wiguna, Aji Candra Winantyo, Hastu Ikhsan Wirawan Sumbodo YANTO YANTO YANTO Yato, Yato yuniarsih, tinna Zahran, Hafizh Zulivandama, Shaska R. Zulivandama, Shaska Ramdhan