Exporters and Suppliers of Duplex and Super Duplex Steel
Duplex Steel Sheets, Super Duplex Steel Plates, ASTM A240 Duplex Steel S31803 Plates, Duplex & Super Duplex Steel Coils, Duplex 1.4462 Sheets, S32205 Duplex Steel HR Sheets and Plate Exporters, SAF 2205, 2507 Sheets.
Bhavya Steel has a broad stock of Duplex LDX 2101®, 2304, 2205 and 2507, 31803, 32750, 32760 duplex tempered steel plate and sheets items accessible to fulfil your difficult corrosion and high-quality necessities.
Duplex tempered steel plate contains generally elevated levels of chromium (somewhere in the range of 18% and 28%) and low to direct measures of nickel (somewhere in the range of 1.5% and 8%). The high corrosion opposition and great mechanical properties of duplex tempered steels can be credited to their substance organization and adjusted (duplex) microstructure of around equivalent volume rates of ferrite and austenite. This empowers it to be utilized in more slender cross-segments which give cost reserve funds to the end-client. Alloys 2304 and 2205/31803 are the most widely recognized evaluations. The two of them show exceptional protection from chloride stress-corrosion splitting.
“Super” duplex evaluations have improved pitting and hole corrosion obstruction when contrasted and 300-arrangement austenitic hardened steels or ordinary duplex alloys. This can be ascribed to the improved degrees of chromium, molybdenum and nitrogen found in these materials is the most widely recognized “super” duplex evaluation.
Types of Carbon Sheets Sheets, Plates and Coils
ASME SA240 Duplex and Super Duplex Steel Sheets, Plates & Coils Grades
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 1803 | 1.4462 | S318032 |
| Duplex 2205 | 1.4462 | S32205 |
| Super Duplex S2507 | 1.4410 | S32750 / S32760 / S32950 |
Chemical Composition of Duplex & Super Duplex Steel Sheets and Plates, Coils
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Duplex S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Duplex S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Duplex S32760 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
Duplex & Super Duplex Steel Sheets, Plate, Coils Mechanical Properties
| Element | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
| S32750 / S32760 | 7.8 | 0.281 | 1350 | 2460 |
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