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Porosity Defect Analysis in ST 37 Steel Welding Joints Using the Dye Penetrant Method

Teknomekanik · Vol. 3 No. 1 (2020) · hlm. 1–8

DOI
10.24036/tm.v3i1.5272
ISSN
2621-8720, 2621-9980
Terbit
2020-05-25
Penerbit
Universitas Negeri Padang
Bahasa
eng

Abstrak

The procedures in the world of welding all look simple, but all welding that looks simple must have extensive knowledge in accordance with the definition of welding. This welding is a permanent connection technique, when the welding process takes place the results do not always meet the quality standards that have been determined. The cause of the welding results that do not meet the quality standards in the form of dirt on the material when before welding and so forth. The purpose of this study is that the specimen specimens are accepted according to the welding institute's standard acceptance criteria (TWI) This research uses st 37 steel by using SMAW welding electrodes LB 52U (E 7016) diameter 2.6mm for root, and LB 52U (E 7016) diameter 3.2 for fillers and caping with welding position 1G. Testing of welding results is carried out by the non destructive test of the dye penetrant method whose inspection results are determined based on the standard ASME. The results of this test study discontinuity in the form of porosity on the surface of the welding results in specimen 1, namely material contaminated by dirt, there are porosity defects scattered with a length of 6mm and porosity of 10mm so based on the standard TWI both test specimens were declared rejected, and in specimen 2, material that was not contaminated with impurities, there were porosity defects of 2mm and 2.5mm so that according to the standards of the two specimens the test was accepted. For the results of welding defects that are rejected can still be corrected by linking to the defects that, and can be done welding again.

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  • Universitas Negeri Padang
  • Thanlyin Technological University
  • State University of Medan
  • De Montfort University
  • State University of Makassar
  • "Institute of Metallurgy and Ore Beneficiation" JSC
  • National Kaohsiung University of Science and Technology
  • Afiliasi tidak diketahui
  • Organisasi berbeda
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Rekan penulisOrganisasiArtikel bersama
Waskito WaskitoUniversitas Negeri Padang3
Batu Mahadi SiregarState University of Medan3
Delima Yanti SariUniversitas Negeri Padang2
Anna Niska FauzaUniversitas Negeri Padang2
Fitrah QalbinaUniversitas Negeri Padang2
Dani HarmantoDe Montfort University2
Yolli FernandaUniversitas Negeri Padang1
Meisuri HandayaniUniversitas Negeri Padang1
Hasanuddin HasanuddinState University of Makassar1
Primawati PrimawatiUniversitas Negeri Padang1
M SaddikinUniversitas Negeri Padang1
Andril ArafatUniversitas Negeri Padang1
Julio Lukmanul ArdiUniversitas Negeri Padang1
Sri Rizki Putri PrimandaniUniversitas Negeri Padang1
Wagino WaginoUniversitas Negeri Padang1
Ambiyar AmbiyarUniversitas Negeri Padang1
Refdinal RefdinalUniversitas Negeri Padang1
Bagdaulet Kenzhaliyevich Kenzhaliyev"Institute of Metallurgy and Ore Beneficiation" JSC1
Yoszi Mingsih AnapertaAfiliasi tidak diketahui1
Dori YuvendaUniversitas Negeri Padang1
Andre KurniawanUniversitas Negeri Padang1
Purwantono PurwantonoUniversitas Negeri Padang1
Rifelino RifelinoUniversitas Negeri Padang1
Bagas SantosoUniversitas Negeri Padang1
Hastuti HastutiUniversitas Negeri Padang1
Tsung-Liang WuNational Kaohsiung University of Science and Technology1

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Sumber metadata: OAI-PMH (metadata jurnal) http://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/oai, pertama di-harvest 10 Nov 2026, terakhir terlihat 10 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Porosity Defect Analysis in ST 37 Steel Welding Joints Using the Dye Penetrant Method</dc:title>
	<dc:creator xml:lang="en">Wari, Alan</dc:creator>
	<dc:creator xml:lang="en">Nurdin, Hendri</dc:creator>
	<dc:creator xml:lang="en">Ya, Kyaw Zay</dc:creator>
	<dc:subject xml:lang="en">Dye Penetrant</dc:subject>
	<dc:subject xml:lang="en">SMAW</dc:subject>
	<dc:subject xml:lang="en">Porosity</dc:subject>
	<dc:description xml:lang="en">The procedures in the world of welding all look simple, but all welding that looks simple must have extensive knowledge in accordance with the definition of welding. This welding is a permanent connection technique, when the welding process takes place the results do not always meet the quality standards that have been determined. The cause of the welding results that do not meet the quality standards in the form of dirt on the material when before welding and so forth. The purpose of this study is that the specimen specimens are accepted according to the welding institute's standard acceptance criteria (TWI) This research uses st 37 steel by using SMAW welding electrodes LB 52U (E 7016) diameter 2.6mm for root, and LB 52U (E 7016) diameter 3.2 for fillers and caping with welding position 1G. Testing of welding results is carried out by the non destructive test of the dye penetrant method whose inspection results are determined based on the standard ASME. The results of this test study discontinuity in the form of porosity on the surface of the welding results in specimen 1, namely material contaminated by dirt, there are porosity defects scattered with a length of 6mm and porosity of 10mm so based on the standard TWI both test specimens were declared rejected, and in specimen 2, material that was not contaminated with impurities, there were porosity defects of 2mm and 2.5mm so that according to the standards of the two specimens the test was accepted. For the results of welding defects that are rejected can still be corrected by linking to the defects that, and can be done welding again.</dc:description>
	<dc:publisher xml:lang="en">Universitas Negeri Padang</dc:publisher>
	<dc:date>2020-05-25</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>http://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/article/view/52</dc:identifier>
	<dc:identifier>10.24036/tm.v3i1.5272</dc:identifier>
	<dc:source xml:lang="en">Teknomekanik; Vol. 3 No. 1 (2020): Regular Issue; 1-8</dc:source>
	<dc:source>2621-8720</dc:source>
	<dc:source>2621-9980</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>http://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/article/view/52/25</dc:relation>
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