Metallurgy

Welding Technology · Level 6  ·  6 Chapters

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What Metallurgy covers

In this unit, you will be able to confidently select, test, and design with a wide range of engineering materials—including steels, aluminium, and copper—ensuring you use the right materials for every task. You’ll master the skills to assess their properties, follow safety procedures, and maintain a clean workspace, preparing you to create strong, reliable products in the real world of metallurgy. By the end, you’ll be ready to tackle practical challenges and contribute to safe, high-quality engineering projects with pride.

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Careers after Metallurgy

In the world of welding, knowing the science behind metals opens doors to many thriving Kenyan industries. Whether you join a bustling fabrication shop, start your own metal-craft business, or support high-tech projects, the metallurgy skills you master will let you choose the right material, shape it safely, and deliver products that meet exacting standards.

  • Metal-fabrication workshops in industrial towns such as Kiambu and Nakuru - you follow strict safety and housekeeping procedures while selecting the proper steel, alloy-steel or aluminium for structural frames, ensuring each piece meets strength and thermal requirements and getting paid per project or as a salaried welder.
  • Automotive repair and custom-modification garages in Nairobi’s industrial estates - you determine the mechanical properties of chassis steel and aluminium alloy panels, design reinforced components, and earn income through hourly labour rates or profit sharing on custom builds.
  • Ship-repair yards along the Mombasa coast - you assess corrosion-resistant copper alloys and marine-grade steel, select the correct forms of supply, and fabricate hull patches or piping, receiving wages tied to the size and complexity of each repair contract.
  • Construction firms building high-rise apartments in Nairobi and Eldoret - you choose appropriate structural steel and titanium reinforcement, calculate load-bearing capacities, and design steel connections, earning a steady salary as a site metallurgist or receiving bonuses for meeting project milestones.
  • Agricultural-machinery manufacturers in Nakuru and Kericho - you evaluate thermal properties of engine components, select suitable aluminium alloys for lightweight frames, and design durable copper cooling parts, earning a fixed wage plus overtime during peak production seasons.
  • Renewable-energy companies installing solar-panel mounting structures in Kisumu and Turkana - you determine the physical and thermal behaviour of aluminium and steel supports, design corrosion-resistant joints, and keep the work area tidy, receiving payment per installation or as a contracted specialist.
  • Oil-pipeline and refinery maintenance teams in the Rift Valley - you apply knowledge of titanium and high-strength alloy steels to select pipe-fit materials, perform safety-critical inspections, and design repair welds, earning higher rates due to the specialised nature of the work.
  • Artisan metal-craft studios in Nairobi’s Westlands and Mombasa’s Old Town - you use copper and brass alloy knowledge to create decorative items, apply proper housekeeping to maintain a clean studio, and sell finished pieces at markets or online, generating income directly from sales.
  • Mobile welding services serving rural construction sites across the country - you travel with a portable kit, choose the right material on-site, ensure safety for yourself and clients, and charge fees per day or per weld, building a reputation that brings repeat business.

Your mastery of metallurgy doesn’t just make you a better welder - it equips you to innovate, stay safe, and thrive in Kenya’s growing metal-working landscape. Keep sharpening these skills, and the opportunities will keep welding together your future success.

Chapters

What Metallurgy covers: 25 main topics in 6 chapters

1. Evaluate properties of engineering materials

  1. 1.1 Occupational health and safety standards
  2. 1.2 Metal properties
  3. 1.3 Forms of metal supply
  4. 1.4 Applications of forms of supply
  5. 1.5 Mill Test Certificates
  6. 1.6 Types of metals

2. Apply steel and its alloys

  1. 2.1 Steels up to 16 mm thickness
  2. 2.2 Properties and applications of steel
  3. 2.3 Steel alloys up to 16 mm thickness
  4. 2.4 Properties and applications of alloy steels Apply aluminium and its alloys

3. Apply aluminium and its alloys

  1. 3.1 Aluminium and aluminium alloys up to 16 mm thickness
  2. 3.2 Properties and applications of aluminium and its alloys 4 Apply copper and its alloys

4. Apply copper and its alloys

  1. 4.1 Copper and copper alloys up to 16 mm thickness
  2. 4.2 Properties and applications of copper and its alloys

5. Apply titanium and its alloys

  1. 5.1 Titanium and titanium alloys up to 16 and its alloys mm thickness
  2. 5.2 Properties and applications of titanium and its alloys 6 Perform metal

6. Perform metal testing

  1. 6.1 Metal inspection machines, tools and equipment
  2. 6.2 Consumables
  3. 6.3 Non-destructive metal test parameters
  4. 6.4 Weld Preparation procedure
  5. 6.5 Non-destructive metal test
  6. 6.6 Applications and procedure of NDT
  7. 6.7 Destructive metal test parameters
  8. 6.8 Destructive metal test
  9. 6.9 Maintenance

Revise this unit

3 more for this unit

Beyond the syllabus

Other units in Module III