Duplex Steel S31803 Flanges Manufacturer

Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Duplex Steel S31803 Flanges, which are used to nickel to maintain an austenitic composition at lower temperatures. Duplex Steel S31803 Slip On Flanges is austenitic stainless steels with superior corrosion resistance to stainless steel 317. These Duplex Steel S31803 Threaded Flanges is suitable for welding because it has carbon content lower than 301 to 303 series alloys to avoid carbide precipitation in welding applications. Equipment in the chemical, food, paper, mining, and pharmaceutical and petroleum industries often includes Duplex Steel S31803 Weld Neck Flanges.

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Duplex Steel S31803 Flanges
Duplex Steel S31803 Flanges

The addition of molybdenum and slightly higher nickel content make Duplex Steel S31803 Blind Flanges suitable for architectural applications in severe settings, from polluted marine environments to areas with sub-zero temperatures. Duplex Steel UNS SS3180300 Socket Weld Flanges also offer higher creep, stress – to – rupture and tensile strength at elevated temperatures, excellent corrosion resistance and strength properties, and they are well suited for fabricated or formed applications. Duplex Steel S31803 Lap Joint Flanges is ideally suited for applications requiring corrosion resistance superior to Type 316 and has good elevated temperature strength.

Duplex Steel S31803 Ring Joint Type Flanges is the lower carbon version and is immune from sensitization. Therefore, Duplex Steel S31803 Spectacle Blind Flanges is very frequently used in heavy gauge welded components. Duplex Steel S31803 Nippolet Flanges is considered resistant to pitting corrosion in potable water with chlorides at ambient temperatures, reducing at 60 Degree C.

Duplex Steel S31803 Pipe Flanges Specifications

Specifications : ASTM A182 / ASME SA182
Size : 1/8″ NB TO 24″ NB
Standards
: ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Grades : S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61

Duplex Steel S31803 /  S32205 Pipe Flanges Chemical Composition

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 22.0 – 23.0 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min
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 Steel S31803 / S32205 Plate Flanges 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 Steel Industrial Pipe Flanges

STANDARD WERKSTOFF NR. UNS
Duplex 2205 1.4462 S31803 / S32205

Duplex S31803 / S32205 Flanges 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

Duplex Steel S31803 /  S32205 Pipe Flanges 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)

 

Duplex Steel S31803 Flanges

Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Duplex Steel S31803 Flanges, which are used to nickel to maintain an austenitic composition at lower temperatures. Duplex Steel S31803 Slip On Flanges is austenitic stainless steels with superior corrosion resistance to stainless steel 317. These Duplex Steel S31803 Threaded Flanges is suitable for welding because it has carbon content lower than 301 to 303 series alloys to avoid carbide precipitation in welding applications. Equipment in the chemical, food, paper, mining, and pharmaceutical and petroleum industries often includes Duplex Steel S31803 Weld Neck Flanges.

Product Brand: Sachiya Steel International

Product In-Stock: InStock

Editor's Rating:
5

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