Skip to content
The Forge LedgerWorking iron, and the iron already standing

Section 01 · Craft

Craft: how hot iron is actually moved

Drawing out, upsetting, bending, punching and forge welding: what each operation does to the metal, at what heat, and what goes wrong.

Illustrative image: a glowing bar held on the face of an anvil, a hammer caught mid stroke, scale flying off the surface.
Illustrative image. No photograph on this site documents a real place, building, object or person.

A blacksmith has a short list of things they can do to a bar: make it longer, make it shorter and fatter, bend it, cut it, put a hole through it, and join two pieces. Everything on a finished gate or a finished knife is some combination of those, done at the right heat and in the right order. This section takes them one at a time, and is honest about the point where a book stops helping and only a fire teaches you.

In this section

  1. Illustrative image: A ground crew member in coveralls inspecting the drogue basket of a refueling pod under a wing at dusk, work light on the metal ring, hose reel visible behind, shot from slightly below.

    Boom, probe and drogue: the couplings that hold fuel

    Aerial refueling moves fuel through a mechanical joint made in the air, at 300 knots or more, between two aircraft flying a few feet apart.

  2. Illustrative image: A cutting table in a small garment workshop, a circular fabric cutter and a steel ruler resting on a folded length of indigo twill, a conditioned sample square already cut and lying beside a balance, daylight from a north-facing window across the table.

    Specifying Woven Cloth Before Purchase

    A woven cloth is specified by fixing, in writing, the yarn and the weave, the weight in oz/yd² and g/m², the dyeing and finishing route, and the test methods that will decide acceptance.

  3. Illustrative image: a small forged iron hook lying on a workbench beside a cross pein hammer and a folded piece of paper.

    A hand-forged gift on a deadline

    A forged gift fails at the calendar, not at the anvil. The hours have to be counted before the fire is lit, not after.

  4. Illustrative image: a weathered forged iron railing scroll with patches of surface rust beside flaking black paint.

    Rust on outdoor ironwork: wax, paint and plating

    Iron kept outside is always losing. The question a finish answers is only how slowly, and whether the barrier can reach the places a brush cannot.

  5. Illustrative image: a tapered bar being drawn out over the far edge of an anvil face, hammer blurred at the top of the stroke.

    Drawing out and upsetting: the first two moves

    Almost every forged object begins with one of these two operations, and beginners fight both of them for the same reason.

  6. Illustrative image: a public forging demonstration under a canvas awning, a small crowd watching a smith at the anvil.

    Blacksmithing: the questions people actually ask

    The same eight questions arrive every time a forge is lit in public. Here are the answers, without the folklore.

  7. Illustrative image: two overlapping bars at white heat lifted out of a coal fire, sparks trailing behind the tongs.

    Forge welding: two bars, one piece

    Joining metal without melting it is the oldest trick in the trade and still the one that separates the patient from the quick.

  8. Illustrative image: a blade blade held above a quench tank, the steel glowing evenly along its length in a darkened shop.

    Heat treating carbon steel: anneal, harden, temper

    A forged edge is soft until it is hardened and brittle until it is tempered. The order is not negotiable.

Every page in this section is written against the reference page on shop tips and tools, and two neighbouring sections extend it: Tools and Heritage.