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CortenB steel plate, also known as Corten steel, is a weathering steel plate, compared to general carbon steel, has good resistance to atmospheric corrosion, can significantly improve the corrosion resistance of structural components, extend the service life of structural components, can be used for the production of a variety of structural components in the atmospheric environment and corrosive gases, liquids, and work.
CortenB steel plate chemical composition:
| Element |
% by mass |
Element |
% by mass |
| C |
0.19 |
Al |
0.020/0.06 |
| Si |
0.30/0.65 |
V |
0.02/0.10 |
| Mn |
0.80/1.25 |
Cu |
0.25/0.40 |
| P |
0.035 |
Cr |
0.40/0.65 |
| S |
0.030 |
Ni |
0.40 |
Mechanical properties of CortenB steel plates:
| Grade |
Thickness (mm) Strip Products |
Plate Products |
Yield Strength |
Tensile Strength |
Elongation |
| Corten B |
2 – 13 |
6 – 40 |
345 |
485 |
19 |
CortenB Corten Steel Technical Requirements:
1, CortenB Corten steel plate size, shape, weight and allowable deviation should be in line with the provisions of GB709-88 standard.
2、CortenB Corten steel surface quality: according to GB4172-84 regulations
3、CortenB Corten steel plate ultrasonic flaw detection: according to customer requirements wake ultrasonic flaw detection
4, CortenB Cowden steel plate chemical composition analysis allowable deviation: according to GB222 specifications implementation
5、CortenB Cowden steel plate packaging, packaging, marking and quality certification according to GB247 specifications
