Major Work Activity C - Performs heat treatment

Task C-13 Heat treats materials
Task C-14 Tests heat treated materials
- C-14.01 Performs visual inspection
- C-14.02 Performs hardness test

Task C-13 Heat treats materials

Task descriptor

Tool and die makers must have knowledge of heat treatment required to change the properties of materials. The processes are used to harden, improve machinability and reduce internal stress. Tool and die makers must be able to perform simple heat treatment operations such as torch hardening, annealing, quenching and tempering of steels and alloys.

C-13.01 Selects heat treatment process

Essential Skills: Document Use, Continuous Learning, Thinking

C-13.01 Selects heat treatment process
NL	NS	PE	NB	QC	ON	MB	SK	AB	BC	NT	YT	NU
NV	yes	NV	yes	yes	yes	yes	ND	ND	yes	ND	ND	ND

Skills
Reference Code	Performance Criteria	Evidence of Attainment
C-13.01.01P	select fire-retardant PPE and safety equipment	fire-retardant PPE and safety equipment are selected according to company policies, industry practices and jurisdictional regulations
C-13.01.02P	select heat treatment process	heat treatment process is selected based on workpiece characteristics and according to manufacturers’ specifications and requirements
C-13.01.03P	select heat treating equipment and supplies	heat treating equipment and supplies are selected according to workpiece characteristics, operations to be performed and specifications
C-13.01.04P	verify suitability and availability of heat treating equipment	suitability and availability of heat treating equipment is verifiedto confirm feasibility of chosen procedure
C-13.01.05P	select material handling equipment	material handling equipment is selected according to workpiece characteristics, operations to be performed and specifications
C-13.01.06P	determine temperature for each heat treatment process	temperature for each heat treatment process is determined according to reference data
C-13.01.07P	select quenching medium	quenching medium is selected according to reference data

Range of variables

fire-retardant PPE includes: gloves, aprons, face shields, hats,jackets, protective footwear
heat treatment processes include: annealing, normalizing, hardening, tempering, quenching, case hardening, stress-relieving
workpiece characteristics include: material, size, shape, alloying elements, carbon content
heat treating equipment includes: torches, furnace/oven, quenching media, induction heater
specifications include: design, standards, client, industry, manufacturers’, drawings
material handling equipment includes: tongs, hoists, cranes, wire
reference data includes: Machinery’s Handbook, steel manufacturers’ specifications, ASME, ANSI
quenching mediums include: oil, water, air

Knowledge
Reference Code	Learning Outcomes	Learning Objectives
C-13.01.01L	demonstrate knowledge of heat treatment and its applications	define terminology associated with heat treatment
		identify hazards and describe safe work practices pertaining to heat treatment
		describe the procedures used to determine properties of metals
		describe the effect of heat on properties of metals
C-13.01.02L	demonstrate knowledge of heat treatment processes	identify types of heat treatment processes and their applications
		identify types of heat treating equipment, their applications and procedures for use
		identify heating mediums and procedures for use
		identify material handling equipment and procedures for use
		identify quenching medium and procedures for use

Range of variables

heat treatment processes include: annealing, normalizing, hardening, tempering, quenching, case hardening, stress-relieving
heat treating equipment includes: torches, furnace/oven, quenching media, induction heater
material handling equipment includes: tongs, hoists, cranes, wire
properties of metals include: chemical, physical, mechanical
heating mediums include: gas, electric and vacuum furnaces, gas torches
quenching mediums include: oil, water, air

C-13.02 Hardens materials

Essential Skills: Document Use, Thinking, Continuous Learning

C-13.02 Hardens materials
NL	NS	PE	NB	QC	ON	MB	SK	AB	BC	NT	YT	NU
NV	yes	NV	yes	yes	yes	yes	ND	ND	yes	ND	ND	ND

Skills
Reference Code	Performance Criteria	Evidence of Attainment
C-13.02.01P	use heat treating equipment	heat treating equipment is used according to manufacturers’ specifications and part requirements
C-13.02.02P	set furnace cycle	furnace cycle is set according to material specifications
C-13.02.03P	determine torch settings	torch settings are determined according to industry practices and OH&S regulations
C-13.02.04P	prepare and clean part	part is prepared and cleaned to remove contaminants using cleaning methods
C-13.02.05P	check quenching media temperature	quenching media temperature is checked using tools to ensure it is at desired temperature according to material specifications
C-13.02.06P	move quenching media to proximity of furnace if required	quenching media is moved if required to reduce heat loss of part
C-13.02.07P	heat part to specified temperature	part is heated to specified temperature and held in the oven according to manufacturers’ specifications
C-13.02.08P	submerge and agitate part in quenching media	part is submerged and agitated in quenching media to achieve hardness according to workpiece characteristics
C-13.02.09P	remove part from quenching media	part is removed from quenching media when suitable temperature is attained

Range of variables

heat treating equipment includes: furnaces, torches
cleaning methods include: polishing, sandblasting, ultrasonic cleaning, descaling, degreasing
tools include: thermometers, infrared scopes
workpiece characteristics include: shape, size

Knowledge
Reference Code	Learning Outcomes	Learning Objectives
C-13.02.01L	demonstrate knowledge of heat treatment and its applications	define terminology associated with heat treatment
		identify heat treatment processes and describe their applications
		describe the procedures used to determine properties of metal
C-13.02.02L	demonstrate knowledge of hardening materials	identify hazards and describe safe work practices pertaining to hardening metals
C-13.02.02L	demonstrate knowledge of hardening materials	identify methods used for quenching metal and describe the properties of the metal produced by each

Range of variables

heat treatment processes include: annealing, normalizing, hardening, tempering, quenching, case hardening, stress-relieving
properties of metals include: chemical, physical, mechanical, colour
methods used for quenching metal include: water hardening, oil hardening, air hardening

C-13.03 Tempers materials

Essential Skills: Document Use, Continuous Learning, Thinking

C-13.03 Tempers materials
NL	NS	PE	NB	QC	ON	MB	SK	AB	BC	NT	YT	NU
NV	yes	NV	yes	yes	yes	Yes	ND	ND	yes	ND	ND	ND

Skills
Reference Code	Performance Criteria	Evidence of Attainment
C-13.03.01P	use heat treating equipment	heat treating equipment is used according to manufacturers’ specifications and part requirements
C-13.03.02P	set furnace cycle	furnace cycle is set according to material specifications
C-13.03.03P	determine torch settings	torch settings are determined according to industry practices and OH&S regulations
C-13.03.04P	prepare and clean part	part is prepared and cleaned using cleaning methods
C-13.03.05P	heat part to set temperature	part is heated to set temperature according to tempering specifications
C-13.03.06P	confirm specified temperature is reached	specified temperature is reached using equipment
C-13.03.07P	interpret tempering colours	tempering colours are interpreted using colour chart

Range of variables

cleaning methods include: polishing, sandblasting, ultrasonic cleaning, descaling
equipment includes: temperature sticks, infrared thermometer

Knowledge
Reference Code	Learning Outcomes	Learning Objectives
C-13.03.01L	demonstrate knowledge of heat treatment and its applications	define terminology associated with heat treatment
		identify hazards and describe safe work practices pertaining to heat treatment
		describe heat treatment applications and their procedures
C-13.03.02L	demonstrate knowledge of tempering materials	identify hardness gradients
		identify the effects of reheating materials
		identify metallurgical guidelines

Range of variables

effects include: removing stress, removing hardness, removing brittleness, distortion

C-13.04 Anneals materials

Essential Skills: Document Use, Continuous Learning, Thinking

C-13.04 Anneals materials
NL	NS	PE	NB	QC	ON	MB	SK	AB	BC	NT	YT	NU
NV	yes	NV	yes	yes	yes	yes	ND	ND	yes	ND	ND	ND

Skills
Reference Code	Performance Criteria	Evidence of Attainment
C-13.04.01P	use heat treating equipment	heat treating equipment is used according to manufacturers’ specifications and part requirements
C-13.04.02P	set furnace cycle	furnace cycle is set according to material specifications
C-13.04.03P	clean part	part is cleaned to remove oil prior to heating process according to industry practices
C-13.04.04P	heat part to set temperature	part is heated to set temperature according to annealing specifications
C-13.04.05P	control cool down rate	cool down rate is controlled following the annealing procedures according to material specifications

Knowledge
Reference Code	Learning Outcomes	Learning Objectives
C-13.04.01L	demonstrate knowledge of heat treatment and its applications	define terminology associated with heat treatment
		identify hazards and describe safe work practices pertaining to heat treatment
		describe heat treatment applications and their procedures
C-13.04.02L	demonstrate knowledge of annealing materials	identify methods of reheating material for softening
C-13.04.02L	demonstrate knowledge of annealing materials	identify temperature control methods for controlling the cool down rate

Range of variables

temperature control methods include: using oven, using graphite powder, using sand/gravel, using vermiculite

C-13.05 Normalizes materials

Essential Skills: Document Use, Continuous Learning, Thinking

C-13.05 Normalizes materials
NL	NS	PE	NB	QC	ON	MB	SK	AB	BC	NT	YT	NU
NV	yes	NV	yes	yes	yes	yes	ND	ND	yes	ND	ND	ND

Skills
Reference Code	Performance Criteria	Evidence of Attainment
C-13.05.01P	use heat treating equipment	heat treating equipment is used according to manufacturers’ specifications and part requirements
C-13.05.02P	set furnace cycle	furnace cycle is set according to material specifications
C-13.05.03P	prepare and clean part	part is prepared and cleaned using cleaning methods according to industry practices
C-13.05.04P	heat part to set temperature	part is heated to set temperature according to normalizing specifications
C-13.05.05P	control cool down rate	cool down rate is controlled following normalizing according to material requirements

Range of variables

cleaning methods include: polishing, sandblasting, ultrasonic cleaning, descaling

Knowledge
Reference Code	Learning Outcomes	Learning Objectives
C-13.05.01L	demonstrate knowledge of heat treatment and its applications	define terminology associated with heat treatment
		identify hazards and describe safe work practices pertaining to heat treatment
		describe heat treatment applications and their procedures
C-13.05.02L	demonstrate knowledge of normalizing materials	identify stress relief effects of reheating material
C-13.05.02L	demonstrate knowledge of normalizing materials	describe normalizing procedures

C-13.06 Case hardens materials

Essential Skills: Document Use, Continuous Learning, Thinking

C-13.06 Case hardens materials
NL	NS	PE	NB	QC	ON	MB	SK	AB	BC	NT	YT	NU
NV	yes	NV	yes	yes	yes	yes	ND	ND	yes	ND	ND	ND

Skills
Reference Code	Performance Criteria	Evidence of Attainment
C-13.06.01P	select case hardening method	case hardening method is selected according to material and equipment
C-13.06.02P	use heat treating equipment	heat treating equipment is used according to manufacturers’ specifications and part requirements
C-13.06.03P	set furnace cycle	furnace cycle is set according to material specifications
C-13.06.04P	determine torch settings	torch settings are determined according to industry practices and OH&S regulations
C-13.06.05P	heat part to set temperature	part is heated to set temperature according to case-hardening specifications
C-13.06.06P	prepare and clean part	part is prepared and cleaned using cleaning methods
C-13.06.07P	place part into carburizing material	part is placed into carburizing material to completely cover the part according to industry practices
C-13.06.08P	check quenching media temperature	quenching media temperature is checked using tools to ensure it is at required temperature
C-13.06.09P	move quenching media to proximity of furnace if required	quenching media is moved to proximity of furnace if required to reduce heat loss of part
C-13.06.10P	submerge and agitate part in quenching media	part is submerged and agitated in quenching media according to workpiece characteristics
C-13.06.11P	remove part from quenching media	part is removed from quenching media when suitable temperature and time are reached
C-13.06.12P	clean part to remove oil and scale	part is cleaned using cleaning methods to remove oil and scale

Range of variables

case hardening method includes: carburizing, using gas, pack hardening, submerging, induction heating, nitriding
cleaning methods include: polishing, sandblasting, ultrasonic cleaning, descaling, degreasing
carburizing material includes: carbon powder, carbon monoxide
tools include: thermometers, infrared scopes
workpiece characteristics include: material, shape, size

Knowledge
Reference Code	Learning Outcomes	Learning Objectives
C-13.06.01L	demonstrate knowledge of heat treatment and its applications	define terminology associated with heat treatment
		identify hazards and describe safe work practices pertaining to heat treatment
		describe heat treatment applications and their procedures
C-13.06.02L	demonstrate knowledge of case-hardening materials	identify effects of case-hardening material
C-13.06.02L	demonstrate knowledge of case-hardening materials	identify process for case hardening

Task C-14 Tests heat treated materials

Task descriptor

Tool and die makers must be able to test heat-treated materials to determine the relative hardness. It is imperative to verify the hardness of the material to ensure that they meet design specifications.

C-14.01 Performs visual inspection

Essential Skills: Document Use, Thinking, Numeracy

C-14.01 Performs visual inspection
NL	NS	PE	NB	QC	ON	MB	SK	AB	BC	NT	YT	NU
NV	yes	NV	yes	yes	yes	yes	ND	ND	yes	ND	ND	ND

Skills
Reference Code	Performance Criteria	Evidence of Attainment
C-14.01.01P	select and use tools and equipment	tools and equipment are selected and used according to industry practices
C-14.01.02P	prepare workpiece surface to be tested	workpiece surface to be tested is prepared by cleaning and removing oxidization
C-14.01.03P	identify surface imperfections	surface imperfections are identified
C-14.01.04P	identify geometric deformations	geometric deformations are identified

Range of variables

tools and equipment include: magnifiers, dye penetrant, microscopes
surface imperfections include: scratches, cracks, craters

Knowledge
Reference Code	Learning Outcomes	Learning Objectives
C-14.01.01L	demonstrate knowledge of heat treatment and its applications	identify effect of heat on the properties of alloys and metals
C-14.01.01L		describe heat treatment processes and their applications
C-14.01.02L	demonstrate knowledge of visual inspections	define terminology associated with visual inspections
		identify tools and equipment used for visual inspections
		identify types of surface imperfections andgeometric deformations

Range of variables

tools and equipment include: magnifiers, dye penetrant, microscopes
surface imperfections include: scratches, cracks, craters
heat treatment processes include: annealing, normalizing, hardening, tempering, quenching, case hardening, stress-relieving

C-14.02 Performs hardness test

Essential Skills: Numeracy, Document Use, Writing

C-14.02 Performs hardness test
NL	NS	PE	NB	QC	ON	MB	SK	AB	BC	NT	YT	NU
NV	yes	NV	yes	yes	yes	yes	ND	ND	yes	ND	ND	ND

Skills
Reference Code	Performance Criteria	Evidence of Attainment
C-14.02.01P	select and use tools and equipment	tools and equipment are selected and used according to material being tested
C-14.02.02P	prepare workpiece surface to be tested	workpiece surface to be tested is prepared by cleaning and removing scale and high spots
C-14.02.03P	verify hardness tester is functioning properly	functioning of hardness tester is verified by using standard calibration samples
C-14.02.04P	set up workpiece on hardness tester	workpiece is set up on hardness tester by aligning with indenting tool
C-14.02.05P	activate mechanisms to initiate hardness test	mechanisms are activated to initiate hardness test according to machine specifications
C-14.02.06P	record results of hardness test	results are recorded according to company policies and procedures, and material specifications

Range of variables

tools and equipment include: hardness testers, charts, indenting tools, V-blocks, standard calibration samples

Knowledge
Reference Code	Learning Outcomes	Learning Objectives
C-14.02.01L	demonstrate knowledge of heat treatment and its applications	describe the procedures used to determine properties of alloys and metals
C-14.02.01L		describe heat treatment processes and their applications
C-14.02.02L	demonstrate knowledge of hardness testing of materials	define terminology associated with hardness testing
		identify hazards and describe safe work practices pertaining to hardness testing
		identify the machines and scales used for hardness testing and describe their procedures
		identify tools and equipment used for hardness testing

Range of variables

tools and equipment include: hardness testers, charts, indenting tools, V-blocks, standard calibration samples
properties of alloys and metals include: chemical, physical, mechanical
heat treatment processes include: annealing, normalizing, hardening, tempering, quenching, case hardening, stress-relieving

Major Work Activity C - Performs heat treatment

Table of contents

Task C-13 Heat treats materials

Task descriptor

C-13.01 Selects heat treatment process

Range of variables

Range of variables

C-13.02 Hardens materials

Range of variables

Range of variables

C-13.03 Tempers materials

Range of variables

Range of variables

C-13.04 Anneals materials

Range of variables

C-13.05 Normalizes materials

Range of variables

C-13.06 Case hardens materials

Range of variables

Task C-14 Tests heat treated materials

Task descriptor

C-14.01 Performs visual inspection

Range of variables

Range of variables

C-14.02 Performs hardness test

Range of variables

Range of variables