| Πρότυπο |
ASTM A606-4 |
ASTM A588 Grade A |
| Τύπος |
High-strength low-alloy steel |
Weathering steel |
| Αντοχή στη διάβρωση |
Good |
Excellent; resistant to atmospheric corrosion |
| Αντοχή σε εφελκυσμό |
Min 70 ksi (485 MPa) |
Min 70 ksi (485 MPa) |
| Αντοχή σε διαρροή |
Min 50 ksi (345 MPa) |
Min 50 ksi (345 MPa) |
| Επιμήκυνση |
Varies by thickness |
Varies by thickness |
| Thickness Range |
Typically up to 2 inches (50 mm) |
Typically up to 2 inches (50 mm) |
| Formability |
Good |
Good |
| Συγκολλησιμότητα |
Good with appropriate precautions |
Good with appropriate precautions |
| Εφαρμογές |
Construction, bridges, structural supports |
Bridges, construction, marine applications |
| Φινίρισμα επιφάνειας |
Mill finish or as specified |
Mill finish or as specified |
| Χημική σύνθεση |
Varies slightly based on specific requirements |
Contains elements like copper for enhanced weathering resistance |