Learn metalwork safety rules, understand metallurgy terms like alloy and ferrous metals, and complete hands-on metalworking projects to earn this merit badge.

Requirements

  1. 1. Safety & Vocabulary

    Safety First

    Read the safety rules for metalwork. Discuss how to be safe while working with metal. Discuss with your counselor the additional safety rules that apply to the metalwork option you choose for requirement 5.

  2. 1. Safety & Vocabulary

    The Language of Metal

    Do all
    Explain the following terms: native metal, malleable, metallurgy, alloy, nonferrous, and ferrous. Then do the following:
    1. a.
      Name two nonferrous alloys used by pre-Iron Age metalworkers. Name the metals that are combined to form these alloys.
    2. b.

      Name three ferrous alloys used by modern metalworkers.

    3. c.

      Describe how to work-harden a metal.

    4. d.

      Describe how to anneal a nonferrous and a ferrous metal.

  3. 3. Hands-On Fundamentals

    Hardening, Softening & Tempering

    Do all
    Do the following:
    1. a.
      Work-harden a piece of 26- or 28-gauge sheet brass or sheet copper. Put a 45-degree bend in the metal, then heavily peen the area along the bend line to work-harden it. Note the amount of effort that is required to overcome the yield point in this unworked piece of metal.
    2. b.
      Soften the work-hardened piece from requirement 3(a) by annealing it, and then try to remove the 45-degree bend. Note the amount of effort that is required to overcome the yield point.
    3. c.
      Make a temper color index from a flat piece of steel. Using hand tools, make and temper a center punch of medium-carbon or high-carbon steel.

  4. 4. Future Pathways

    Where Metal Takes You

    Choose 1
    Do ONE of the following:

    1. Metalworking Careers

      Identify three career opportunities that would use skills and knowledge in metalworking. Pick one and research the training, education, certification requirements, experience, and expenses associated with entering the field. Research the prospects for employment, starting salary, advancement opportunities and career goals associated with this career. Discuss what you learned with your counselor and whether you might be interested in this career.

    2. Metalworking as a Hobby

      Identify how you might use the skills and knowledge in metalworking to pursue a personal hobby. Research the additional training required, expenses, and affiliation with organizations that would help you maximize the enjoyment and benefit you might gain from it. Discuss what you learned with your counselor and share what short-term and long-term goals you might have if you pursued this.

  5. 5. Choose Your Craft

    Choose Your Craft

    Choose 1
    After completing the first four requirements, complete ONE of the following options:

    1. Sheet Metal Mechanic/Tinsmith

      Do all
      Do ALL of the following:
      1. 1.

        Tinsmith Tools

        Name and describe the use of the basic sheet metalworking tools.
      2. 2.

        Sketching Your Sheet Metal Objects

        Create a sketch of two objects to make from sheet metal. Include each component’s dimensions on your sketch, which need not be to scale.
      3. 3.

        Cutting, Bending & Joining

        Do all
        Make two objects out of 24- or 26-gauge sheet metal. Use patterns either provided by your counselor or made by you and approved by your counselor. Construct these objects using a metal that is appropriate to the object’s ultimate purpose, and using cutting, bending, edging, and either soldering or brazing.
        1. a.

          One object also must include at least one riveted component.

        2. b.

          If you do not make your objects from zinc-plated sheet steel or tin-plated sheet steel, preserve your work from oxidation.

    2. Silversmith

      Do all
      Do ALL of the following:
      1. 1.

        Silversmith Tools

        Name and describe the use of a silversmith’s basic tools.
      2. 2.

        Sketching Your Silver Objects

        Create a sketch of two objects to make from sheet silver. Include each component’s dimensions on your sketch, which need not be to scale.
      3. 3.

        Sawing, Sinking & Soldering

        Do all
        Make two objects out of 18- or 20-gauge sheet copper. Use patterns either provided by your counselor or made by you and approved by your counselor. Both objects must include a soldered joint. If you have prior silversmithing experience, you may substitute sterling silver, nickel silver, or lead-free pewter.
        1. a At least one object must include a sawed component you have made yourself.
        2. b At least one object must include a sunken part you have made yourself.
        3. c Clean and polish your objects.

    3. Founder

      Do all
      Do ALL of the following:
      1. 1.

        Molds & Their Parts

        Name and describe the use of the basic parts of a two-piece mold. Name at least three different types of molds.
      2. 2.

        Sketching Your Cast Objects

        Create a sketch of two objects to cast in metal. Include each component’s dimensions on your sketch, which need not be to scale.
      3. 3.

        Making & Pouring Your Molds

        Do all
        Make two molds, one using a pattern provided by your counselor and another one you have made yourself that has been approved by your counselor. Position the pouring gate and vents yourself. Note: Do not use copyrighted materials as patterns.
        1. a.

          Using lead-free pewter, make a casting using a mold provided by your counselor.

        2. b.

          Using lead-free pewter, make a casting using the mold that you have made.

    4. Blacksmith

      Do all
      Do ALL of the following:
      1. 1.

        Blacksmith Tools

        Name and describe the use of a blacksmith’s basic tools.
      2. 2.

        Sketching Your Forged Objects

        Make a sketch of two objects to hot-forge. Include each component’s dimensions on your sketch, which need not be to scale.
      3. 3.

        Hot-Forging Exercises

        Do all
        Using low-carbon steel at least 1/4 inch thick, perform the following exercises:
        1. a Draw out by forging a taper.
        2. b Use the horn of the anvil by forging a U -shaped bend.
        3. c Form a decorative twist in a piece of square steel.
        4. d Use the edge of the anvil to bend metal by forging an L -shaped bend.
      4. 4.

        Forging Your Two Objects

        Do all
        Using low-carbon steel at least 1/4 inch thick, make the two objects you sketched that require hot-forging. Be sure you have your counselor’s approval before you begin.
        1. a Include a decorative twist on one object.
        2. b Include a hammer-riveted joint in one object.
        3. c Preserve your work from oxidation.