The mould is the water-cooled copper form of a continuous caster. Inside it the liquid steel solidifies at the edge into a solid shell that carries the strand.
Design and function
For billets and blooms the mould is a copper tube with the cross-section of the strand; for slabs it consists of four copper plates. Cooling water flows past the outside at high speed. The inside is often coated with nickel or chromium.
During casting the mould oscillates up and down so that the shell does not stick. Mould powder or oil lubricates between steel and copper. The mould tapers towards the bottom because the steel shrinks as it cools.
Where it is used
Moulds are fitted in every continuous caster directly below the tundish. Heat and friction wear the copper wall. After a certain number of heats the tube or plate is reworked, recoated or replaced.
Typical spare and wear parts
- Copper mould tubes by section and radius
- Copper plates for slab moulds
- Water jackets, seals and foot rollers
- Bearings and drive parts of the oscillation
What helps with a request
- Manufacturer and type of the machine or plant
- Designation, part number or drawing of the part
- Dimensions, material and a photo of the part or nameplate
- Quantity and required date
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