Corten A steel applies to plates up to 12.5 mm in thickness, COR-TEN B applies to plates up to 50 mm in thickness.
Corten A Definition
Weathering means that due to their chemical compositions COR-TEN A and COR-TEN B steels, when utilized unprotected, exhibits increased resistance to atmospheric corrosion compared to unalloyed steels. This is because it forms a protective layer on its surface under the influence of the weather.
Corten A Applications
The steel is used for various types of welded, bolted and riveted constructions e.g. steel frame structures, bridges, tanks and containers, exhaust systems, vehicles and equipment constructions.
Basic guidelines for the use of this steel in the unprotected condition are described in EN 10025-5 and DASt rule 007.
Corten A Mechanical properties:
Yield point min. 275 Mpa
Tensile strength min. 410 Mpa
elongation min. 25%
Tolerances on dimensions and shape according to EN 10131.
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