Sachiya Steel International is one of the Leading Manufacturer And Exporter Of High Quality Duplex S31803 Round Bars, which has some outstanding features to offer such as rust free, superior tensile strength, wear & tear resilient, and so on. Our Duplex Steel S31803 Round Bars is a ferritic and austenitic stainless steel that has higher corrosion resistance and elevated potency. These Duplex Steel S32205 Round Bars combines better-quality resistance to SCC, pitting, high strength and crevice corrosion in comparison by means of other stainless steel grades.
Our Duplex Steel S31803 Square Bars is nitrogen improved steel that was industrialized to fight common corrosion issues come across by means of the 300 series stainless steels. These Duplex Steel S32205 Flat Bars is ferritic, two – phase, austenitic 3 percent molybdenum, 22 percent chromium, and 5 percent – 6 percent nickel – alloyed stainless steel. Meanwhile, these Duplex Steel S31803 Threaded Bars are also being offered in different sizes and shapes to our customers.
The corrosive environment of these Duplex Steel S32205 Hollow Bars may significantly reduce the effective fatigue strength of steel. When hot forming is required, the work – piece of our Duplex Steel S31803 Hexagonal Bars should be heated uniformly and worked in the range of 1750 Degree F – 2250 Degree F. These Duplex Steel S32205 Triangular Bars is quite soft at these temperatures and is readily formed, where above this range it is subject to hot tearing.
Duplex S31803/S32205 Round Bar Specifications |
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| Specifications | : | ASTM A276, ASME SA276 |
| Dimensions | : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Size |
: | 6 mm to 120 mm. |
| Diameter |
: | 6mm to 350mm Diameter |
| Thickness | : | 100 to 6000 mm Length |
| Tolerance |
: | +/-0.2mm |
| Finish | : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length | : | 1 to 6 Meters, Custom Cut Lengths |
| Form | : | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
S31803/S32205 Duplex Round Bar Chemical Composition
| 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 | 2.5 – 3.5 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
Duplex S31803/S32205 Rods Mechanical Properties
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Equivalent Grades for S31803/S32205 Duplex Round Bar
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex S31803/S32205 | 1.4462 | S31803 / S32205 |
Duplex S31803/S32205 Round Bar Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
S31803/S32205 Duplex Rods Test Certificates
We at Sachiya Steel International provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.
• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc
Material Testing
We at Sachiya Steel International ensure that all our materials go through strict quality tests before dispatching them to our clients.
• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test
Documentation
• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)