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Spring Steel Strip and Wire, Hardened and Tempered

작성자

Forge

11. 10월 2026

Spring Steel Strip and Wire, Hardened and Tempered

A spring must bend and come back. Mild steel bends and stays bent; high-carbon steel, hardened and then tempered to a blue colour, springs back. The strip or wire is shaped soft, heated until a magnet no longer sticks to it, quenched in warm oil to harden it, then tempered: cleaned bright and heated gently until the colour runs to blue. It starts from high-carbon crucible steel. Wire is drawn while the steel is still annealed.

고급

A day

안내

Forge strip

Forge crucible steel at a yellow heat into strip, smoothing it with the flatter; never work it below red. Cut it to length while hot.

이 단계의 재료:

도가니강1 kg

숯10 kg

필요한 도구:

대장간 화덕

모루

대장간 망치

평탄 다듬 공구

대장간 집게

가죽 앞치마

용접 장갑

보안경

Anneal

Heat to a dull red and bury it in dry wood ash to cool slowly overnight.

이 단계의 재료:

경목 재2 kg

필요한 도구:

금속 양동이

Draw wire

For wire, forge a rod, anneal it, and draw it through the drawplate with wax, annealing after every hole. Coil or bend the springs now, while it is soft.

이 단계의 재료:

밀랍10 g

필요한 도구:

강철 인발판

인발 집게

바이스(만력)

Harden

Heat the part evenly until a magnet no longer sticks, then plunge it into a lidded bucket of warm rapeseed oil and stir it. Keep the lid at hand for flare-ups.

이 단계의 재료:

카놀라유5 리터

필요한 도구:

대장간 화덕

자석

뚜껑 있는 쇠 들통

대장간 집게

용접 장갑

Clean bright

Sand a stripe bright on the hardened steel so you can see the temper colours.

필요한 도구:

사포

Temper to blue

Heat it gently and evenly with the torch on fire bricks, or on a hot plate of steel, and watch the colours run straw, bronze, purple, blue. Stop at an even blue and let it cool.

필요한 도구: