Teräksestä
Teräksestä is a Finnish term that translates to "of steel" or "from steel." It is not a recognized term or concept in a scientific, historical, or cultural context. The word "teräs" itself means "steel" in Finnish, and the "-stä" ending is a grammatical case marker indicating origin or material. Therefore, "teräksestä" simply refers to something being made of steel or originating from steel.
The use of "teräksestä" would typically appear in sentences describing the material composition of an object.
Steel is an alloy of iron and carbon, typically with other elements added to improve its properties.