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Manganese Steel Wear Plate: Hadfield's Steel, Cast and Quenched
Forge

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17. October 2026NO
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Manganese Steel Wear Plate: Hadfield's Steel, Cast and Quenched

Hadfield's manganese steel (1882) is steel of about 1 % carbon with 11–15 % manganese. It casts cleanly, and after quenching from a yellow heat it is tough and hardens under blows, which is why crusher liners are made of it. It cannot be machined, so cast the plate to its final shape. The picture: our diagram, crucible to mould to quench.
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A day

Instructions

1

Ram the mould

Ram a sand mould of the plate in the flask, with cores for the bolt holes. The metal cannot be drilled afterwards.

Tools needed:

Moulding FlaskMoulding Flask
Casting SandCasting Sand
2

Melt and alloy

Melt crucible steel in a clay crucible in the furnace and stir in manganese to 11–15 %.

Materials for this step:

Crucible SteelCrucible Steel1.74 kg
ManganeseManganese0.26 kg

Tools needed:

Clay Crucible - DeepClay Crucible - Deep
Brick FurnaceBrick Furnace
BellowsBellows
Digital Kitchen ScaleDigital Kitchen Scale
3

Pour

Lift the crucible out with tongs and pour the plate. Let it cool in the sand.

Tools needed:

Crucible TongsCrucible Tongs
Moulding FlaskMoulding Flask
4

Anneal and quench

Shake the plate out, anneal it, then heat it to a yellow heat and quench it in water.

Tools needed:

Brick FurnaceBrick Furnace
Crucible TongsCrucible Tongs
Quench BucketQuench Bucket
WaterWater
5

Manganese to add

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Materials

2

Tools Required

9

This blueprint makes

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Manganese Steel Wear Plate

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