ASTM A242 weathering steel
2 year ago
ASTM A242 weathering steel
ASTM A242 Alloy Steel Sheet is hot-rolled structural steel in as-delivered condition with superior resistance to atmospheric corrosion. ASTM A242 Corten steel sheet is a steel alloyed with copper and chromium. This alloy exhibits a higher level of weather resistance compared to other non-alloy steels. Its chemical composition promotes the early formation of an adhering protective layer of rust when exposed to the elements.
Chemical composition of Corten steel plates and sheets ASTM A242 Type 1
|
|
ASTM A242 Type 1 |
|
Carbon, Max. |
0.15 |
|
Manganese |
1.00 |
|
Phosphorus |
0.15 |
|
Sera, no more |
0.05 |
|
Silicon |
0.25-0.40 |
|
Nickel, no more |
– |
|
Chromium |
– |
|
Molybdenum, no more |
– |
|
Copper |
0.20 min. |
|
Vanadium |
– |
|
Aluminum |
– |
Mechanical Properties of Corten Steel Plates and Sheets ASTM A242 Type 1
|
|
Tensile strength |
Min. Yield strength |
Elongation |
|
ASTM A242 Type 1 |
[480 MPa] |
[345 MPa] |
16% min. |
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