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Melting
We have our own melt shop which is important for achieving the high-quality materials and flexible production that we offer.
We have over 300 steel grades in our assortment with custom adjustments on demand.
A flexible size range with ingot weights from 4 to 130 tonnes and heat sizes that can be adjusted as requested.
The steel production is scrap-based and uses scrap from the immediate area.
The scrap is selected to avoid residual elements like Lead that can be harmful for the properties of steel.
The steel making process is very complex and involves the following steps:
The Forge Division Steel Shop is equipped with:
- Electric arc furnace 75 Mg for melting the batch scrap powered by the 25 MVA transformer
- Ladle furnace 65 Mg for steel refining and completing the chemical components
- Vacuum degassing system where we receive pressure below 0,5 Tr. Obtained at the level of H2< 0,8 ppm, O2 < 20 ppm and N2
- Bottom casting with the full cover of the stream of steel
The range of ingots we can produce:
- Square ingots WN 40, WN 75, WN 10/12 and WN 19/24 (flexible weight)
- Round ingots ø610, ø800, ø820, ø1000, ø120
- Flat ingots BN 73, BN 96, BN 110, BN 145
- Polygonal ingots from 4 up to 130 tons including flexible weight: Q 11/15, Q 15/20, Q 21/29, Q 30/38, Q 40/50, Q 50/65, P10 and P14
