PENGARUH ARUS LISTRIK PADA HASIL PENGELASAN SMAW TERHADAP UJI KEKERASAN BAJA ST 37

PURNOMO, ARI and Darlius, Darlius and Zulherman, Zulherman (2019) PENGARUH ARUS LISTRIK PADA HASIL PENGELASAN SMAW TERHADAP UJI KEKERASAN BAJA ST 37. Undergraduate thesis, Sriwijaya University.

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Abstract

The study aims to determine the effect of electric current on the results of SMAW welding on ST 37 steel hardness test. The study uses ST 37 steel material with 0.16% carbon content. Material is given a welding treatment with variations of current 80 A, 90 A, 100 A and 110 A by using SMAW welding with E7016 electrode Ø 3.2 mm x P 350 mm. The seam type used is open V seam at an angle of 70 °. Specimens were carried out hardness testing in the HAZ area. Using the Rockwell hardness testing machine. From the test results it was found that the welded specimens with 80 A, 90 A, 100 A, and 110 A currents obtained an average value of hardness of 32.5, 36.1, 33.5, and 30.5 respectively.From the data it can be seen that there is a difference in hardness in the HAZ region in each welding current used while the best welding current is in the 90 A. Keywords : electric current, welding smaw, hardness, steel st 37

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Arus listrik, Pengelasan SMAW, kekerasan, Baja ST 37
Subjects: T Technology > TS Manufactures > TS200-770 Metal manufactures. Metalworking
Divisions: Faculty of Education and Educational Science > 83203-Mechanical Technique Education (S1)
Depositing User: Ari Purnomo
Date Deposited: 16 Aug 2019 22:22
Last Modified: 16 Aug 2019 22:22
URI: http://repository.unsri.ac.id/id/eprint/4480

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