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Duplex Steel S31803 Threaded Forged Fittings

Duplex Steel S31803 Threaded Forged Fittings

Sachiya Steel International is one of the leading Manufacturer And Exporter of Duplex Steel S31803 Threaded Forged Fittings, which are offered by us in variegated sizes and dimensions at industry leading rates. Duplex Steel S31803 Forged Threaded Elbow describes a family of stainless steels that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless. Duplex Steel S32205 Forged Threaded Tee is the most widely used duplex stainless steel grade and is characterized by high yield strength, double that of the standard austenitic stainless steel grades.

Duplex Steel S31803 Forged Threaded Cross is often used in Marine Industry and Shipbuilding: such as in Propellers and Shafts, Rudders, Shaft Seals, Pumps, Bolts and Fasteners, Valves, Instrumentation, Oil and Chemical Tankers. Meanwhile, these Duplex Steel S32205 Forged Threaded Cap are also being offered in different sizes and shapes to our customers. Even when the equipment has sufficient power, allowance must be made for higher spring – back caused by the high strength of Duplex Steel S31803 Forged Threaded Fittings.

In the solution annealed condition from about 1925 Degree F, Duplex Steel S32205 Forged Threaded Coupling has a microstructure with about 40 % – 50 % ferrite. Grain size of Duplex Steel S31803 Forged Threaded Union (expressed as a lamellar spacing) is fine, depending on product form. Duplex Steel S32205 Forged Threaded Bushing is difficult to form due to its high strength and work hardening rate.

Duplex Steel S31803 / S32205 Forged Threaded Fittings Specifications
Specifications : ASTM A182 & ASME SA182
Size : 1/8” NB to 4” NB (Socket weld & Screwed-Threaded)
Standards
: ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Class : 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Type : Threaded Fittings

Duplex Steel S31803 / S32205 Forged Fittings 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 Threaded Fitting 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 Forged Fittings

STANDARD WERKSTOFF NR. UNS
Duplex 2205 1.4462 S31803 / S32205

Duplex Steel S31803 / S32205 Forged Fittings 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 Forged Threaded Fittings 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)

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