Cor-Ten steel
E247915
Cor-Ten steel is a high-strength, low-alloy weathering steel known for forming a stable, rust-like protective patina that eliminates the need for painting and is widely used in architecture and outdoor structures.
All labels observed (5)
| Label | Occurrences |
|---|---|
| COR-TEN steel | 2 |
| Cor-Ten steel canonical | 2 |
| Corten steel | 1 |
| Weathering steel | 1 |
| weathering steel | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2244637 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cor-Ten steel Context triple: [Richard J. Daley Center, materialUsed, Cor-Ten steel]
-
A.
Steel
Steel is a Scottish Liberal Democrat politician who served as leader of the Liberal Party and was the first Presiding Officer of the Scottish Parliament.
-
B.
Steel
Steel is a 1997 superhero film based on the DC Comics character John Henry "Steel" Irons, featuring Shaquille O'Neal in the title role.
-
C.
Damascene steel
Damascene steel is a famed historical type of patterned, high-carbon steel renowned for its exceptional strength, sharpness, and distinctive wavy surface designs used in swords and blades.
-
D.
Noric steel
Noric steel was a highly prized, exceptionally hard and durable iron alloy produced in the ancient Celtic kingdom of Noricum, renowned across the Roman world for superior weapons and tools.
-
E.
Nickel
Nickel is a chemical element and transition metal known for its hardness, corrosion resistance, and widespread use in alloys and batteries.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cor-Ten steel Target entity description: Cor-Ten steel is a high-strength, low-alloy weathering steel known for forming a stable, rust-like protective patina that eliminates the need for painting and is widely used in architecture and outdoor structures.
-
A.
Steel
Steel is a Scottish Liberal Democrat politician who served as leader of the Liberal Party and was the first Presiding Officer of the Scottish Parliament.
-
B.
Steel
Steel is a 1997 superhero film based on the DC Comics character John Henry "Steel" Irons, featuring Shaquille O'Neal in the title role.
-
C.
Damascene steel
Damascene steel is a famed historical type of patterned, high-carbon steel renowned for its exceptional strength, sharpness, and distinctive wavy surface designs used in swords and blades.
-
D.
Noric steel
Noric steel was a highly prized, exceptionally hard and durable iron alloy produced in the ancient Celtic kingdom of Noricum, renowned across the Roman world for superior weapons and tools.
-
E.
Nickel
Nickel is a chemical element and transition metal known for its hardness, corrosion resistance, and widespread use in alloys and batteries.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
high-strength steel
ⓘ
low-alloy steel ⓘ structural steel material ⓘ weathering steel ⓘ |
| corrosionResistanceMechanism | alloying elements promote protective oxide layer ⓘ |
| developedBy | United States Steel Corporation ⓘ |
| hasAlternativeName |
Cor-Ten steel
ⓘ
surface form:
COR-TEN steel
Cor-Ten steel ⓘ
surface form:
Corten steel
Cor-Ten steel ⓘ
surface form:
weathering steel
|
| hasApplication |
architecture
ⓘ
art installations ⓘ bridge construction ⓘ building facades ⓘ garden planters ⓘ landscape architecture ⓘ outdoor structures ⓘ railway rolling stock ⓘ retaining walls ⓘ roofing and cladding ⓘ sculpture ⓘ shipping containers ⓘ signage ⓘ street furniture ⓘ transmission poles ⓘ |
| hasComponent |
carbon
ⓘ
chromium ⓘ copper ⓘ iron ⓘ manganese ⓘ nickel ⓘ phosphorus ⓘ |
| hasKeyProperty |
distinctive brown-orange appearance
ⓘ
eliminates need for painting in many applications ⓘ enhanced atmospheric corrosion resistance ⓘ forms stable rust-like patina ⓘ good formability ⓘ good machinability ⓘ good weldability ⓘ high tensile strength ⓘ low maintenance requirements ⓘ self-protecting oxide layer ⓘ surface patina stabilizes over time ⓘ |
| hasTrademarkOwner | United States Steel Corporation ⓘ |
| mayHaveIssue | runoff staining adjacent materials during weathering ⓘ |
| mayHaveLimitation |
reduced effectiveness in continuously wet conditions
ⓘ
reduced effectiveness in high-chloride environments ⓘ |
| patinaFunction |
acts as barrier to moisture and oxygen
ⓘ
reduces rate of further corrosion ⓘ |
| requiresCondition |
adequate air circulation for uniform weathering
ⓘ
alternating wet and dry cycles for patina formation ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Cor-Ten steel Description of subject: Cor-Ten steel is a high-strength, low-alloy weathering steel known for forming a stable, rust-like protective patina that eliminates the need for painting and is widely used in architecture and outdoor structures.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Angel of the North
this entity surface form:
COR-TEN steel
this entity surface form:
Corten steel
this entity surface form:
COR-TEN steel
this entity surface form:
weathering steel