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Corten Steels :

Corten Steels Exporter

Contact Us For High Quality Corten Steels

At JB Steel we pride ourselves on always putting the customer first. We help make stainless solutions simple for you by ensuring satisfaction through high delivery performance, flexibility and extensive service.

We are pleased to introduce ourselves as one of the leading Importers, Exporters, Suppliers & Stockists of Corten Steels.

We would appreciate to get your esteemed enquires and look forward to the pleasure receiving your valuable response.

Corten Steels

Corten Steels, Carbon Steel (SS) Duplex Steel, Stainless Steel, Alloy Steel, Mild Steel, Kovar, Titanium, Tantalum, Nickel, Zirconium, Hastelloy, Incolloy, Cupro nickel, Niobium, Nimonics, HR Alloy, Alloy 20, Monel, Inconel, Super Duplex Stockist & Suppliers, Manufacturers, Exporters IndiaCORTEN - CORROSION RESISTANT / WEATHER RESISTANT STEEL

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, %)

GradeCSiMnPSCrCuV Ni
COR-TEN A0.120.25-0.750.20-0.500.07-0.150.0300.50-1.250.25-0.55- 0.65
COR-TEN B0.160.30-0.500.80-1.250.0300.0300.40-0.650.25-0.400.02-0.10 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.

GradeMinimum yield point (ReH Mpa *)Tensile strength Rm MPa Minimum elongation A (Lo=5.65 √So) %
COR-TEN A355470-630 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 MpaTensile strength min. 410 Mpaelongation min. 25%
  • Tolerances on dimensions and shape according to EN 10131.


GradeMaterial thickness mm Minimum yield point (ReH Mpa *)Tensile strength Rm MPa Minimum elongation A (Lo=5.65 √So) %
COR-TEN B ≤16355 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 test1 test specimen per 40 t from each heat*)Notched bar impact test1 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 10155SEW 087NFA 35-502UNIBS 4360UNEASTM JIS G3114
1.8961S235J2WWTSt 37-3E 24 W 4Fe 360 DK 1--- -
1.8945S355J0WPE 36 WA 3Fe 510 C1K1WR 50 A--- -
1.8946S355J2WP-E 36 WA 4Fe 510 D1K1--A 242 Type 1 -
1.8959S355J0W-E 36 WB 3Fe 510 C2K1WR 50 B-A 588 - A 242 Gr. 1 SMA 50 AW
1.8963S355J2G1WWTSt 52-3-Fe 510 D2K1WR 50 C-A 588 Gr. A to
1.8965S355J2G2W------ SMA 50 CP
1.8966S355K2G1W-E 36 WB 4---A 709 Gr. 50 W -
1.8967S355K2G2W------ -


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 ACOR-TEN® B, COR-TEN®B, COR-TEN B, CORTEN-B, CORTEN BASTM A588 Grade A, ASTM A 588 Grade-A, ASTM A-588 Grade AASTM A588 Grade B, ASTM A 588 Grade-B, ASTM A-588 Grade BASTM A588 Grade C, ASTM A 588 Grade-C, ASTM A-588 Grade CASTM A242 Type 1, ASTM A242 Type-1, ASTM A-242 Type 1 S355JOWP EN 10025-5, S355JOWP EN10025-5, S355 JOWP EN-10025-5S355JOWP+N EN 10025-5, S355JOWP+N EN10025-5, S355 JOWP+N EN-10025-5S355J2W EN 10025-5, S355J2W EN10025-5, S355 J2W EN-10025-5S355J2W+N EN 10025-5, S355J2W+N EN10025-5, S355 J2W+N EN-10025-5 S355J2G1W EN 10155, S355J2G1W EN10155, S355 J2G1W EN-10155S355K2G1W EN 10155, S355K2G1W EN10155, S355 K2G1W EN-10155S355J2G2W EN 10155, S355J2G2W EN10155, S355 J2G2W EN-10155S355K2G2W EN 10155, S355J2G2W EN10155, S355 K2G2W EN-10155
  • SAILCOR IRSM41, IRSM-41, IRS-M41, IRS-M41 FOR RAILWAY WAGON & CONTAINER 


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