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Journal : Nusantara Science and Technology Proceedings

Experiment Design Effects of Cooling Media Variations Toward Strictness and Pulling Strenghness of Materials of ST 41 in Heat Treatment Process Sumiati; Verayanti, Fransisca Diah Ayu; Purwati
Nusantara Science and Technology Proceedings 1st International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2020.0527

Abstract

Steel of ST 41 is the steel be classified as low carbon steel with guide compositions about 0.37-0.43%C, 0.5-0.35%Si, 0.60-0.90%Mn. The steel sometimes has the unfit characteristic to the need, so It needs another treatment to change characteristic and structure from steel of ST 41 itself be changed in heat treatment methods. Cooling media can affect the strictness characteristics of steel of ST 41. The heating process in the research uses 723oC withholding in an hour. Then it is cooled quickly in many Cooling media. Cooling media be used in the research are water, salt, and coconut oil by using holding time on each Cooling media in 5 to 20 minutes. After done in Quenching process, the steel of ST 41 is done strictness tests and strengths tests to use Rockwell method tests and analyzed. This research result will recommend on general formulation to predict in strictness of steel of ST 41, if it use two co positions namely: Y= 97.2118+0.0983*x-0.4223*y 0.0114*x*x+0.0026*x*y+0.0023 *y*y. can predict pulling strength ness of ST 41 material, For a while if they use two compositions namely Y = 46.7828+0.3293*x+0.2271*y-0.0132*x*x-1.1689E-14*x*y-0.0009*y*y. so each x1 and x2 areas holding time and temperature.
Co-Authors Abdul Rosyid Abror, A. Faiq AGUNG PRANOTO Ahmad Andi Ahmad Isman Affandi Aiman Faiz Alfa Ridzi Ambarsari, Lusiana Andry Wongso Kusumo Anggra Oktaviani Arif Fathur Rahman Arista Candra Irawati Askandar Tjokroprawiro Azhar Saifullah Hafidz Bagas Gumintang Bagus Nurprialdi Benidiktus Tanujaya Budiono Cahya Damayanti, Debi Depi Prihamdani Dwi Priastuti Dwi Retnowati Elan Eldi Mulyana Fadlia Faiz, Aiman Fatchiyah, Siti Filda Khoirun Nikmah Frengki Antonius HAMIDAH Hamidah . Hani Hashipah Hani Irhamdessetya Hapsari Windayanti Hartini Hartiwi Diastuti Hendra Wijaya Hendrawan, Ahmad Aji Heri Setiawan Hermina Novida, Hermina Himawan Sutanto, Himawan Iin Arsensi Indra Lina Putra Irawan, Ikbal Islamia Nanda Giovani, Kharisma Ismiyati, Rini Istia, Maryo Sopater Jundulloh, Muhamad Fikri Kabellen, Yeremias Arbel Kartin Aprianti Keti Purnamasari Khoirulnisa , Febriyana Khoirunnisa , Wilda Krispina Paput Kristanti, Adelia Novita Kusuma, Triana Hasty Leonardus Avelino Dogon Lutfi Nur M. Yusuf Markoni Badri Meilyn Amina Faurur Miskiyah, Neneng Mufida, Zeni Lutfi Muhammad Ridwan Mulyadi, Edi Hendri Natalis Don Alfonso Rotoson Nida Diana Hanifa Noor, Rustam Baraq Nur Laeli Asifah Nur, Luthfi Nuraly Masum Aprily Pinkan Amita Tri Prasasti Pipih Hadistia Pratama, Edo Puspita, Tia Putri A, Mutiara Putri Andini Rahmatunnisa, Irma rakhmawati, ita Ramadhani, Febriana Retnowati, Aryani Rico Roysandi Rila Aneka Riyanto, Ahmad Rizaldi, Fikri Safrianto, Agung Septiana Tunjung Sari Septiningrum Setiyo Prihatmoko Setiyowati Sholikhah, Mar’atus Siti Mutmainah Sofiyanti, Ida Sony Wibisono Sopian, Akhmad Subkhan, Muhammad Ali Sulaeman, Risna Meiliasari Sumaryanto Sumiati Sunaryo Hardjowijoto Suparwi Suryangi, Ramadhan Achmad Suyanto, Murdiyani Syamsia Satra Taopik Rahman Tri Harningsih, Tri Tumanggor, Edrivo Pandapotan Ulfah, Sofia Ulin Nuha, Ulin Verayanti, Fransisca Diah Ayu Wardani, Nila Ayu Kusuma Widianingsih Willy Sandhika Yani Rosita Rahmawati Yetti Elidar Yoga Saputra, Devi Yulia Pebrianti Yuliastuti, Evy Yusleli Herawati