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OurProducts: Corten Steel Plate
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Scope COR-TEN A applies to plates up to 12.5 mm in thickness, COR-TEN B applies to plates up to 50 mm in thickness.
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.
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.
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).
Mechanical Properties, in the state of delivery condition At room temperature for plates ≥3mm in thickness (transverse test specimans, according to EN 10002). 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
In case of cold rolled material the yield point is min. 310 Mpa and the tensile strength min. 445 MPa. Furthermore cold rolled sheets ≤3mm in thickness made of steel grade COR-TEN A-F for increased demand to the cold formability is available.
Mechanical properties:
Yield point min. 275 Mpa
Tensile strength min. 410 Mpa
elongation min. 25%
Tolerances on dimensions and shape according to EN 10131.
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
*) 1 Mpa = 1N/mm2
The notched-bar impact energy is determined on ISO-V longitudinal test specimens at a temperature of - 20°C as an average of three tests. For product thicknesses ≥10mm the average value is at least 27 J. For thicknesses between 10mm and 6mm, the minimum impact value is reduced proportionally to the specimen width (product thickness).
No impact test is performed on products below 6mm in thickness.
Number of Tests
1 tensile test
1 test specimen per 40 t from each heat*)
Notched bar impact test
1 set specimens per 40 t from each heat *)
(3 specimens) (at test temperature -20°C)
*) as referenced in EN 10025-5
EQUIVALENT SPECIFICATIONS
Material #
EN 10155
SEW 087
NFA 35-502
UNI
BS 4360
UNE
ASTM
JIS G3114
1.8961
S235J2W
WTSt 37-3
E 24 W 4
Fe 360 DK 1
-
-
-
-
1.8945
S355J0WP
E 36 WA 3
Fe 510 C1K1
WR 50 A
-
-
-
-
1.8946
S355J2WP
-
E 36 WA 4
Fe 510 D1K1
-
-
A 242 Type 1
-
1.8959
S355J0W
-
E 36 WB 3
Fe 510 C2K1
WR 50 B
-
A 588 - A 242 Gr. 1
SMA 50 AW
1.8963
S355J2G1W
WTSt 52-3
-
Fe 510 D2K1
WR 50 C
-
A 588 Gr. A
to
1.8965
S355J2G2W
-
-
-
-
-
-
SMA 50 CP
1.8966
S355K2G1W
-
E 36 WB 4
-
-
-
A 709 Gr. 50 W
-
1.8967
S355K2G2W
-
-
-
-
-
-
-
CORROSION RESISTANT AND WEATHER RESISTANT STEEL CAN BE ALSO SUPPLIED ACCORDING TO FOLLOWING STANDARD & SPECIFICATIONS :
COR-TEN® A, COR-TEN®A, COR-TEN A, CORTEN-A, CORTEN A
COR-TEN® B, COR-TEN®B, COR-TEN B, CORTEN-B, CORTEN B
ASTM A588 Grade A, ASTM A 588 Grade-A, ASTM A-588 Grade A
ASTM A588 Grade B, ASTM A 588 Grade-B, ASTM A-588 Grade B
ASTM A588 Grade C, ASTM A 588 Grade-C, ASTM A-588 Grade C
ASTM A242 Type 1, ASTM A242 Type-1, ASTM A-242 Type 1
S355JOWP EN 10025-5, S355JOWP EN10025-5, S355 JOWP EN-10025-5
S355JOWP+N EN 10025-5, S355JOWP+N EN10025-5, S355 JOWP+N EN-10025-5
S355J2W EN 10025-5, S355J2W EN10025-5, S355 J2W EN-10025-5
S355J2W+N EN 10025-5, S355J2W+N EN10025-5, S355 J2W+N EN-10025-5
S355J2G1W EN 10155, S355J2G1W EN10155, S355 J2G1W EN-10155
S355K2G1W EN 10155, S355K2G1W EN10155, S355 K2G1W EN-10155
S355J2G2W EN 10155, S355J2G2W EN10155, S355 J2G2W EN-10155
S355K2G2W EN 10155, S355J2G2W EN10155, S355 K2G2W EN-10155
SAILCOR IRSM41, IRSM-41, IRS-M41, IRS-M41 FOR RAILWAY WAGON & CONTAINER
Certificate & Inspection : c/w Calibration Works Certificate EN10204 3.1/DIN 50049 3.1/ISO10474 3.1 Mill Test Report, NACE MR-01-03/NACE MR-01-75/ISO-15156, CE Marked, European Pressure Equipment Directive PED 97/23/EC, AD 2000-WO, ASME Boiler & Pressure Vessel Code Section-II Part-A Edition 2008, API 6A, with 3.2 certificate duly certified & approved by LRS-Lloyd's Register, GL-Germanischer Lloyd, BV-Bureau Veritas, DNV-Det Norske Veritas, ABS-American Bureau of Shipping, SGS, TUV, RINA, IRS, NORSOK APPROVED STANDARD M630, M650 Rev.3
We are in this line from the last 25 years and supplying materials to all over the country. Most of our clients are govt.of india & public undertaking companies to defence, fertilizer, chemical, thermal power semi govt.and public sector departments.
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