ASTM CortenB Weathering steel plate is a hot rolled products of structural steels in technical delivery conditions with improved atmospheric corrosion resistance.The steel grade Corten B is according to ASTM standard which with the yield strength of 355MPa and 345MPa which is based on the different thickness.
ASTM CortenB Weathering steel plate is used for various types of welded, bolted and riveted constructions ,such as steel frame structures, building cladding, chimneys, bridges, tanks and containers, exhaust systems, vehicles and equipment constructions
ASTM CortenB Weathering steel plate Specification:
Thickness: 8-300mm
Width: 1500mm -- 3500mm
Length: 3000mm -- 18000mm Chemical composition(%):
C:0.16 Si:0.30-0.50 Mn:0.80-1.25 P:0.030 S:0.030 Cr:0.40-0.65 Cu:0.25-0.40 V:0.02-0.10 Ni:0.40
ASTM CortenB Weathering steel plate Mechanical property
Grade |
Material thickness mm |
Minimum yield point (ReH Mpa *) |
Tensile strength Rm MPa |
Minimum elongation A (Lo=5.65 √So) % |
COR-TEN B |
≤16 |
355 |
470-630 |
20 |
≤16 |
345 |
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