Esterer Gießerei

Esterer Gießerei - Cast steel (GS/GX)

Cast steel (GS/GX)

Diverse use through good mechanic properties

As regards to its mechanical properties cast steel is in many ways superior to grey and spheroidal iron. Steel is foremost used as a material when a clear thermal or chemical resistance or high solidity is needed. Castings from steel are therefore mainly used in shipbuilding, in engineering, in the automotive industry and in plant construction.

Further on, steel is well suitable for welding, is malleable and through special production procedures and after-production processes it can offer a high variety of materials. As examples we can mention stainless steels here. Also material classifications such as V2A (1.4301) and V4A (1.4571) are common, yet they represent only an excerpt from the cast steel portfolio resp. stainless steel cast portfolio of the Esterer Foundry.

The reason for exceptional characteristics of steels is the low share of carbon which is under 2.06 per cent.

Cast steel
Cast steel - melting
Cast steel
austentic-ferritic cast steel
Cast steel
Tempering cast steel
Cast steel
Tempering cast steel

High demands on production and further treatment

But this low share of carbon has also its disadvantages: steel has a much higher melting temperature as cast iron which means we have special demands within the melting process. Further, the liquid steel is thicker as from cast iron; its characteristics with mould filling are not as favourable and it has about two per cent shrinkage rule.

These physical characteristics of cast steel call for extensive after-production treatments of the cast pieces. As a consequence of the unfavourable mould filling capability the parts need to be cut after moulding. Cast steel receives its mechanical characteristics mostly only after thermal treatment, as for example after tempering, annealing and similar processes.

In our foundry we offer the following specifications from cast steel (details for the physical values are available as downloads in the following list):

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