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Carbon-Steel Pan and Its Seasoning
The hob in this batch heats the PAN, not the food, so the pan is half the appliance - and the catalogue had no cookware at all. A carbon-steel pan is the plainest version: a disc of plain steel, shaped, then given the film that makes it usable. That film is not oil but a polymer, made in your own oven from a drying oil the way varnish sets on wood.
**No patent is cited**: pans are older than patents, and the seasoning is craft knowledge, not a claimed invention. What it needs is stating accurately, which this does.
**Use plain, uncoated steel only.** Galvanised sheet gives off zinc fumes when heated and must never be used for cookware. Season with a food oil - not hardware-shop boiled linseed oil, which carries metal driers.
中級者
5 hours over two days
手順
1
1
Cut a disc
Cut a disc
Mark a 200 mm circle on 2 mm plain (not galvanised, not coated) mild steel sheet and cut it out with the angle grinder. Round the edge with a file until it is safe to hold.
このステップの材料:
軟鋼板1 個必要な工具:
ディスクグラインダー
金工ヤスリ
透明保護メガネ
溶接用手袋2
2
Dish it
Dish it
Work from the centre outwards with the ball-peen hammer over a shallow hollow in a block, turning the disc as you go, until it has a 10 mm dish. Stop before the edge ripples.
必要な工具:
片手ハンマー（球頭）
鋼尺3
3
Back to bare metal
Back to bare metal
Scour both faces with steel wool until the surface is uniform grey with no mill scale, rust or oil. Wash, dry over heat, and weigh on the precision scale.
このステップの材料:
スチールウール - 1番 中目1 個必要な工具:
精密デジタルスケール
防じんマスク4
4
Season, thin and hot
Season, thin and hot
Wipe on a few drops of cooking oil and then wipe it off again, so the metal only looks faintly damp. Bake at 230 °C for one hour with the window open, cool, weigh. Repeat four times. Thick coats go sticky and flake - that is the commonest mistake.
このステップの材料:
食用油20 ml
ペーパータオル4 枚必要な工具:
オーブントースター精密デジタルスケール
赤外線温度計5
5
Three tests
Three tests
Water: a drop should bead and run, not wet the surface. Rust: leave a bare offcut and the seasoned pan damp overnight and compare. Food: fry an egg with a little oil on a hot pan and see whether it releases.
このステップの材料:
卵1 個必要な工具:
赤外線温度計6
6
Will a hob see it?
Will a hob see it?
Hold a magnet to the base: it grips, because plain steel is ferromagnetic. That is the whole requirement of an induction hob - and why the aluminium pan in this batch's hob blueprint does nothing.
必要な工具:
ネオジム磁石セット7
7
Coats, siblings and heat
Coats, siblings and heat
Jupyter ノートブックを読み込み中…
8
8
History & Context
History & Context
**What this is:** the cookware rung the hob needs - plain ferromagnetic steel, given a polymerised-oil surface. **How it relates:** the film is a drying oil cross-linked by heat, the same chemistry as the resins in batch 97; PTFE is the industrial answer to the same problem.
Carbon steel is what restaurant pans and woks are made of, and a seasoning is repairable at home - scour it back and bake it again. Its limits: it rusts if left wet, acidic food strips the film, and the seasoning must be rebuilt now and then.
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これらのブループリントは知識を共有しています — 技術、材料、原理
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