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PENGARUH VARIASI KETEBALAN PELAT SS400 TERHADAP DISTORSI PADA T-JOINT MENGGUNAKAN METODE SMAW

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Distortion is one of the main problems in welding processes that can lead to dimensional inaccuracies and reduced joint quality. Distortion occurs due to non-uniform heat distribution and the development of residual stresses during welding. This study aims to analyze the effect of SS400 low carbon steel plate thickness variation on distortion in T-joint welds using the Shielded Metal Arc Welding (SMAW) method. Plate thickness variations of 4 mm, 8 mm, and 12 mm were employed. The welding process was carried out using RD-260 (E6013) electrodes with a welding current of 130 A. Angular distortion was measured using a dial indicator. In addition, Vickers hardness testing and microstructural observations were conducted on the base metal, Heat Affected Zone (HAZ), and Fusion Zone (FZ) using an optical microscope. The results indicate that plate thickness variation has a significant effect on the magnitude of distortion. The 8 mm plate exhibited the lowest angular distortion compared to the 4 mm and 12 mm plates, indicating a balance between heat input and the material’s ability to distribute heat. The highest hardness values were observed in the HAZ, while the microstructure of all specimens was dominated by ferrite and pearlite phases with variations in grain size due to welding thermal cycles. This study is expected to serve as a reference for controlling distortion in SMAW welding, particularly for T-joint configurations of SS400 low carbon steel.

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Detail Information

Series Title

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Call Number

T1908852025

Publisher

Indralaya : Prodi Teknik Mesin, Fakultas Teknik Universitas Sriwijaya., 2025

Collation

xvi, 73 hlm.; ilus.; tab.; 29 cm.

Language

Indonesia

ISBN/ISSN

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Classification

621.793 07

Content Type

Text

Media Type

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Carrier Type

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Edition

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Subject(s)

Prodi Teknik Mesin
Pengelasan logam

Specific Detail Info

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Statement of Responsibility

TUTI

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