NZQA registered unit standard
8333 version 3
Page 1 of 3
Title
Demonstrate knowledge of hot rolling of steel
Level
3
Credits
Purpose
4
This unit standard is for people working in the steel
manufacturing sector.
People credited with this unit standard are able to demonstrate
knowledge of: hot rolling equipment; hot rolling process; and
the measurement of performance of hot rolling systems.
Classification
Steel Manufacturing > Steel Manufacturing - Supporting Skills
Available grade
Achieved
Explanatory notes
Definition
Company documentation refers to the documented procedures, manufacturer’s manuals
and selected reference texts for the equipment and process.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of hot rolling equipment.
Evidence requirements
1.1
The characteristics of the components of a hot rolling mill are described in terms
of their function, operation, and application.
Range
1.2
Service support systems are explained in terms of the function and interrelationship with each other.
Range
1.3
components include but are not limited to – furnaces, rolls,
cooling, material handling, material identification.
service support systems include but are not limited to – electrical,
control, data capture, water, lubrication.
The types, characteristics, and function of the refractories utilised in reheat
furnaces are described in terms of company documentation.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
1.4
Support equipment is described in terms of the function and operation of each
piece of equipment.
Range
1.5
8333 version 3
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support equipment includes but is not limited to – roll turning,
descalers, guides, shears.
The types and function of hot rolling consumables is described in terms of
company documentation.
Range
consumables include but are not limited to – roll lubricants,
strapping, labelling.
Outcome 2
Demonstrate knowledge of hot rolling processes.
Evidence requirements
2.1
The process of the physical modification of steel is explained in terms of
company documentation.
Range
process includes but is not limited to – reheating, rolling, cooling,
material handling.
Outcome 3
Demonstrate knowledge of the measurement of performance of hot rolling systems.
Evidence requirements
3.1
The application and implications of performance indicators are identified and
described in terms of company documentation.
Range
3.2
performance indicators may include but are not limited to –
tonnes/man-hr, prime by first intent, utilisation, reliability, yield;
evidence of three is required.
The identity, application, and effect of quality control factors for hot rolling are
described in terms of company documentation.
Range
Planned review date
Competenz
SSB Code 101571
quality control factors include but are not limited to – physical
properties, dimensions, surface finish.
31 December 2012
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
8333 version 3
Page 3 of 3
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
17 December 1996
31 December 2012
Revision
2
18 July 2000
31 December 2012
Rollover and
Revision
3
15 March 2012
N/A
Consent and Moderation Requirements (CMR) reference
0013
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Comments on this unit standard
Please contact Competenz qualifications@competenz.org.nz if you wish to suggest
changes to the content of this unit standard.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016