Unit of competency Outline

Date retreived
21/07/2026 11:41 PM AWST

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Apply basic metallurgy principles to welding applications

Apply basic metallurgy principles to welding applications

Unit of competency
National Code
MEM05061
State Code
OEV62
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
19/12/2022
View on TGA
State Implementation and Classification
Approved Date
19/04/2023
Field of Education
030711 - Boilermaking And Welding
Original Release Date
19/04/2023
Nominal Hours
72
Description
This unit of competency was developed for post trade engineering fabrication trade training and the recognition of post trade skills in applying basic metallurgy principles to welding applications.It defines the skills and knowledge required to support a range of advanced welding functions including welding inspection, welding supervision, advanced weld repair and coded welding associated with welding processes and procedures covered by Australian and international welding and related standards and codes as defined in the unit in conjunction with its prerequisites. The unit scope includes applying knowledge of the general structure of metals and alloys, weldability, welding faults, and the effects of heat treatment of metals and alloys and the interaction of metals and alloys with other materials and consumables used in welding to decisions affecting welding applications. This unit must be selected in combination with one of the following units: MEM05079 Perform welds to code standards using flux core arc welding processMEM05080 Perform welds to code standards using gas metal arc welding processMEM05081 Perform welds to code standards using gas tungsten arc welding processMEM05082 Perform pipe welds to code standards using manual metal arc welding processMEM05083 Perform welds to code standards using manual metal arc welding processMEM05088 Perform welds to code standards using oxy fuel gas welding processMEM05069 Undertake advanced weld repair and maintenance.No licensing, legislative or certification requirements apply to this unit at the time of publication.Band: BUnit Weight: 8
Notes
Elements and Performance Criteria
1. Review design specifications and referenced standards and codes for metallurgical requirements
  • 1.1 Review design documents and drawings and identify material, welding process, consumables, standards and codes specifications
  • 1.2 Review specified standards and codes for metallurgical requirements
  • 1.3 Identify metallurgical and welding related defect risks for specified base, filler and consumables
2. Check base metals and alloys for consistency with specifications
  • 2.1 Check provided metal or alloy materials for consistency with specifications
  • 2.2 Identify any faults in materials and assess potential implications for weldability and task suitability
  • 2.3 Arrange for any sampling, pre-welding tests or test welds in accordance with SOPs to determine weldability
3. Apply metallurgical principles to welding and heat treatment
  • 3.1 Monitor weld pool formation and solidification processes for consistency with metallurgical requirements and standard operating procedures
  • 3.2 Monitor and adjust welding parameters to suit metallurgical requirements of material being welded
  • 3.3 Ensure welding related heat treatment is performed consistent with metallurgical principles and standard operating procedures
4.Apply metallurgical principles to inform mitigation strategies to avoid common weld cracks or defects
  • 4.1 Identify suitable methods for residual stress control
  • 4.2 Check selection of welding consumables and parameters to ensure hydrogen content is consistent with avoidance of weld cracks or other defects in different metals
  • 4.3 Ensure distortion minimisation techniques are applied to mitigate metallurgical effects of heating and welding on parent metal properties
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State Code National Code Title Type
BEJ8 MEM40119 Certificate IV in Engineering Qualification