Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
steelmaking process
|
| gptkbp:alsoKnownAs |
open hearth process
|
| gptkbp:category |
industrial equipment
metallurgy |
| gptkbp:declinedAfter |
mid-20th century
|
| gptkbp:developedBy |
19th century
|
| https://www.w3.org/2000/01/rdf-schema#label |
Siemens-Martin process
|
| gptkbp:introducedIn |
gptkb:France
1860s |
| gptkbp:inventedBy |
gptkb:Pierre-Émile_Martin
gptkb:Carl_Wilhelm_Siemens |
| gptkbp:notableFor |
improved control over steel composition
|
| gptkbp:powerSource |
gptkb:coal
gptkb:gasoline |
| gptkbp:replacedBy |
gptkb:basic_oxygen_process
gptkb:electric_arc_furnace |
| gptkbp:significance |
enabled mass production of steel
|
| gptkbp:usedFor |
steel production
|
| gptkbp:uses |
pig iron
regenerative furnace scrap iron |
| gptkbp:bfsParent |
gptkb:Sir_William_Siemens
gptkb:Carl_Wilhelm_Siemens |
| gptkbp:bfsLayer |
6
|