PLATE CORTEN A DAN B

Chemical Composition (heat analysis, %)

Grade	C	Si	Mn	P	S	Cr	Cu	V	Ni
COR-TEN A	≤0.12	0.25-0.75	0.20-0.50	0.07-0.15	≤0.030	0.50-1.25	0.25-0.55		≤0.65
COR-TEN B	≤0.16	0.30-0.50	0.80-1.25	≤0.030	0.030	0.40-0.65	0.25-0.40	0.02-0.10	≤0.40

In order to obtain fine grain structure a sufficient amount of nitrogen absorbing elements is added (e.g. ≥0.02% Al).

State of delivery: - N according to EN 10025-5.

Mechanical Properties, in the state of delivery condition at room temperature for plates ≥3mm in thickness (transverse test specimens, according to ISO 6892-1, method B). Requirements to hot rolled plates ≤3mm in thickness according to EN 10025-5.

Grade	Minimum yield point ReH Mpa *)	Tensile strength Rm MPa	Minimum elongation A (Lo=5.65 √So) %
COR-TEN A	355	470 – 630	20

*) 1 Mpa = 1N/mm2

Mechanical Properties, in the state of delivery condition at room temperature (transverse test specimens, according to ISO 6892-1, method B).

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 ≤50	345