MEM48020 — Recommend ferrous and nonferrous metals or alloys for an application

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What an assessment for MEM48020 must cover

67 assessable components: 2 elements (9 performance criteria), 10 performance evidence and 48 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Determine job requirements

1.1Follow standard operating procedures (SOPs)
1.2Comply with work health and safety (WHS) requirements at all times
1.3Use appropriate personal protective equipment (PPE) in accordance with SOPs
1.4Identify the design requirements for the material from specifications or in consultation with others

2 Select metal or alloy for the application

2.1Select the material based upon the requirement and consideration of principal properties and further processing
2.2Consider economic and technical implications of different metals
2.3Compare possible alternative materials with or without further processing using formula and engineering calculations
2.4Recommend most economical solution
2.5Review final recommendation with relevant personnel

Performance evidence

following work instructions, standard operating procedures (SOPs) and safe work practices
identifying and interpreting engineering requirements for the application from specifications, safety procedures and other reference material
selecting appropriate metals to suit specific applications on at least two occasions
applying basic metallurgical principles in preparing recommendations on at least two occasions
applying and manipulating appropriate formulas for applications involving engineering calculations
applying appropriate calculations to engineering and metallurgical situations
preparing basic costs and estimates
communicating within the workplace
writing reports.
Note: Where a volume and/or frequency is not specified, demonstration must be provided at least once.

Knowledge evidence

safe work practices and procedures and use of personal protective equipment (PPE)
further processing
unalloyed steels including:
iron-iron carbide phase diagram
phases in iron carbon alloys
slow cooling of steel and critical temperature lines
basis aspects of common heat treatment processes including full annealing, spheroidising stress relief annealing, process annealing, normalising, hardening and tempering
alloy steels including:
effect of alloying elements
structural changes resulting from alloy additions including:
phase diagrams - Fe-C-Cr
effect of alloy additions on heat treatment, austenitising temperature, time and rate of transformation, hardening and tempering
manganese steel
stainless steels including:
classification
compositions, heat treatment, structure, properties and applications of stainless steels
austenitic
ferritic
duplex and super duplex ferritic-austenitic
martensitic
precipitation hardening
heat treatment problems including sensitisation and embrittlement
cast irons including:
classification including structure, carbon distribution and form
factors affecting structure and properties including effect of carbon, silicon and cooling rate
typical cast irons including compositions, method of manufacture, structures, properties and applications of:
grey cast irons
white cast irons
malleable cast irons
nodular (ductile) cast irons
alloy cast irons
austempered cast irons
compacted graphite irons
copper alloys including:
commercial alloys from the following systems:
Cu-O, Cu-Be, Cu-Ni, Cu-Sn and Cu-Al
effects of casting, deformation, recrystallisation and ageing treatments on the structure and properties of the above alloys
aluminium alloys including:
commercial alloys from the following systems:
Al-Si, Al-Cu, Al-Mg and Al-Mg-Si
relationship between structure and properties of the above alloys
other alloys including:
zinc alloys
tin alloys
nickel alloys
cobalt alloys
magnesium alloys
titanium alloys.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing MEM48020

What does an assessment tool for MEM48020 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM48020 needs to address all 67 unit components: 2 elements with 9 performance criteria, 10 performance evidence requirements, 48 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEM48020?

Auditori pulls the current release of MEM48020 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEM48020 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM48020 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEM48020, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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