Pengaruh Post Weld Heat Treatment Proses Pengelasan MIG Terhadap Kekuatan Tarik Baja Karbon AISI 1045
DOI:
https://doi.org/10.61844/jemmtec.v3i02.772Abstract
This study aims to determine the effect of the post weld heat treatment (PWHT) process on the tensile strength in welding similar materials. This research uses the experimental method The sample in this study is welding AISI 1045 material using the Metal Inert Gas (MIG) method with the addition of PWHT. The MIG welding process uses variations in current strength of 80 A, 90 A and 100 A. PWHT process uses temperature variations of 600°C, 700°C and 800°C. Data analysis used a quantitative descriptive method from the results of the tensile test. The results showed that: (1) The tensile strength of PWHT 600°C was 893.33 MPa which had the best value or was higher than PWHT 800°C, and PWHT 700°C with a value of 680.88 MPa and Non-PWHT material gave a value of 658.66 MPa. (2) PWHT temperature can affect tensile strength (3) the welding treatment with a current strength of 100 A and a PWHT of 600°C on AISI 1045 material is the most optimal parameter, because it has the highest tensile strength.
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