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ASTCorten B steel plate

BEBON is Corten B steel supplier,we can offer High quality steel plate,and pretreatment of the advanced equipment.If you are interested in Corten B steel,please contact us.


Corten B is a weather resistant steel which is better suited for heavy and load bearing structures.
The material forms its own protective layer when exposed to atmospheric elements. Essentially, the top layer corrodes which then protects the steel beneath it. The natural finish does not normally require any form of maintenance such as painting, which makes the material a highly cost effective alternative to other structural steels.

Grades & Equivalents 

Corten EN 10025-5:2004
Corten B S355J2W

Corten B Chemical Composition 

Grade C Si Mn P S Al V Cu Cr Ni
Corten B 0.19 0.30/0.65 0.80/1.25 0.035 0.030 0.020/0.06 0.02/0.10 0.25/0.40 0.40/0.65 0.40

Corten B weather resistant steel Mechanical Properties 

Grade Thickness (mm)

Strip Products
Plate Products Yield Strength
Rel N/mm²
Tensile Strength
Rm N/mm²
A50 %
Corten B 2 – 13 6 – 40 345 485 19

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