Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
steel specification
|
| https://www.w3.org/2000/01/rdf-schema#label |
ASTM A7
|
| gptkbp:introducedIn |
1900s
|
| gptkbp:material |
gptkb:steel
|
| gptkbp:notableFor |
historic bridges
early skyscrapers |
| gptkbp:replacedBy |
gptkb:ASTM_A36
|
| gptkbp:standardizedBy |
gptkb:ASTM_International
|
| gptkbp:tensileStrength |
58,000 to 70,000 psi
|
| gptkbp:usedFor |
structural steel
bridge construction building construction |
| gptkbp:usedIn |
riveted structures
|
| gptkbp:weldability |
limited
|
| gptkbp:withdrawn |
1967
|
| gptkbp:yield |
36,000 psi
|
| gptkbp:bfsParent |
gptkb:ASTM_A36
|
| gptkbp:bfsLayer |
7
|