Adinox Overseas is a reputed/trusted name in the international Stainless Steel with the reputation of a supreme quality Duplex Steel S31803 Round Bars in the engineering sector that has high mechanical strength, excellent corrosion resistance and excellent working even in the most critical areas. These round bars are highly manufactured using close quality controls and international regulations and are mostly used in the power generation fields, marine, chemical processing, heat exchangers and off-shore.
The type of stainless steel UNS S31803 or Duplex 2205 stainless steel alloys is a nitrogen strengthened duplex alloy, which is a combination of the favorable characteristics of both the austenitic and ferritic steels. These Duplex Steel Round Bars provide a balanced microstructure that provides all superior resistance to stress corrosion cracking as well as pitting and crevice corrosion and even general corrosion. Besides, they have excellent strength - nearly twice that of conventional austenitic stainless steels and are therefore suitable in weight-sensitive structural requirements.
In our company, Adinox Overseas we are supplying Duplex Steel UNS S31803 Round Bars as per ASTM A276, and ASTM A479 standards, so that we get consistency regarding the dimension, surface, and mechanical properties. These bars are exact produced to serve different industry specific needs and the size and length are that of the client. S31803 is alloyed with chromium (2123%), molybdenum (2.5 3.5%) and nickel (4.56.5%), which promotes its resistant against corrosion even under highly aggressive conditions like media containing chloride.
Our ASTM A276 Duplex Steel Round Bars are hot rolled and solution annealed to provide excellent surface quality, dimensional accuracy, and improved metallurgical properties. These bars undergo rigorous testing such as ultrasonic examination, intergranular corrosion test, and tensile strength evaluation to meet stringent quality benchmarks. As a result, industries across oil & gas, petrochemicals, desalination plants, and paper & pulp sectors trust Adinox Overseas as their preferred source for Duplex 2205 Round Bars.
| Standard | ASTM B166, ASME SB166 |
|---|---|
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm* 20mm* 20mm~ 12mm* 100mm* 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| S31803 | 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 |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
|---|---|---|---|---|
| S31803 | 7.8 | 0.281 | 1350 | 2460 |
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