Dohyoung(Roy) Hwang
Drewvale,QLD
Summary
I have successfully welded various materials, including stainless steel, carbon steel, and various alloys, across diverse industries, such as semiconductors, nuclear power plants, oil, gas and construction. With over a decade of experience as a TIG pipe welder, I bring a proven track record of excellence, a deep understanding of industry standards, and a commitment to precision in pipe welding.
Overview
10
10
years of professional experience
1
1
Certification
Work History
GTAW Welder
SK Hynix semiconductor
Icheon, South Korea
11.2021 - 07.2023
- Performed TIG welding on stainless steel and aluminum components with a focus on accuracy and precision.
- Performed post-welding treatments such as grinding and polishing of welded parts.
- Used specialized machinery like CNC cutters and plasma cutters for pre-weld preparation of parts.
- Repaired defective welds or performed rework when necessary.
- Cleaned parts to be welded using power tools and chemical solvents.
- Processed welded component parts with use of machinery such as mills, lathes and grinders.
- Cut, trimmed and fabricated metal components to exact dimensions for building and assembling.
GTAW & SMAW Welder
Samsung SDI Energy
Seremban, Malaysia
11.2019 - 10.2021
- Read blueprints, drawings related to projects in order to determine proper dimensions of components being fabricated, welded together.
- Tested finished products using advanced non-destructive testing methods such as X-ray inspection.
GTAW Welder
SK Innovation Battery
Komarom, Hungary
11.2018 - 11.2019
- Repair broken pipes by cutting out sections of damaged pipe and replacing them with new pieces.
- Fabricated pipes, fittings, valves, and related equipment in accordance with specifications.
- Welded all kinds of stainless steel pipes including carbon steel pipes in different positions like flat position, horizontal position.
GTAW & SMAW & FCAW Welder
Emirates Nuclear Energy Corporation
Barakah Nuclear Power Plant, U.A.E
11.2015 - 10.2018
- Fabricated and welded components to assemble structural forms, such as machinery frames, tanks, pressure vessels, and furnace shells.
- Ensured that all welds met code requirements through visual inspection methods such as radiography testing where applicable.
- Conducted x-ray, hydrostatic and tolerance tests on welded parts to verify weld quality and conformance to specification.
- Evaluated weld defects such as porosity, slag inclusion, undercut.
- Welded fabrication materials, continuously checking for safety and quality.
GTAW Welder
Samsung C&T semiconductor
Pyeongtaek, South Korea
05.2013 - 10.2015
- Fabricated pipes, fittings, valves, and related equipment in accordance with specifications.
- Installed piping systems for gas delivery lines utilizing appropriate techniques for safe installation.
- Inspected finished welds for accuracy and quality assurance standards.
- Welded all kinds of stainless steel pipes including carbon steel pipes in different positions like flat position, horizontal position .
Education
Bachelor of Arts - Furniture Design
University of Hyepseong
South Korea02-2008
Skills
- TIG welding expert
- Stick welding
- Pipe welding
- Shaping and cutting
- Fabrication
- Non-Destructive Testing
Certification
- Certificate 3 in Engineering – Fabrication Trade
- Workplace health and safety Queensland
- Work safely at heights
- Enter and work in confined spaces
- Operate elevating work platform
Right to work
- Visa: Temporary unrestricted work rights in Australia (Valid until 31 May 2027)
Timeline
GTAW Welder
SK Hynix semiconductor
11.2021 - 07.2023
GTAW & SMAW Welder
Samsung SDI Energy
11.2019 - 10.2021
GTAW Welder
SK Innovation Battery
11.2018 - 11.2019
GTAW & SMAW & FCAW Welder
Emirates Nuclear Energy Corporation
11.2015 - 10.2018
GTAW Welder
Samsung C&T semiconductor
05.2013 - 10.2015
Bachelor of Arts - Furniture Design
University of Hyepseong
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