Ninthore Overseas Is One Of The Leading Manufacturer And Exporter Of High Quality Duplex Steel S31803 Socket Weld Fittings, which is available at reasonable price for our esteemed clients. Chloride stress corrosion cracking of Duplex S31803 Forged Socket Weld Elbow Fittings can occur when the necessary conditions of temperature, tensile stress, oxygen, and chlorides are present. Because these conditions in Duplex S32205 Forged Socket Weld Tee Fittings are not easily controlled and are often characteristic of the operating environment, SCC has sometimes been a barrier to the use of stainless steels.

Duplex Steel S31803 Socket Weld Fittings

Duplex Steel S31803 Socket Weld Fittings

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Duplex S31803 Forged Socket Weld Cap Fittings are especially susceptible to SCC, and even Type 317L is not resistant. However, the duplex nature of Duplex S32205 Forged Socket Weld Coupling Fittings imparts an excellent resistance to SCC. Duplex S31803 Forged Socket Weld Cross Fittings resists SCC in two sodium chloride-containing environments that provide meaningful results relating to many practical service applications.

As with most austenitic stainless steels, these Duplex S32205 Forged Socket Weld Union Fittings will not resist boiling 42 % magnesium chloride, but this environment is rarely encountered in service. The boiling magnesium chloride test results indicate only that Duplex S31803 Forged Socket Weld Plug Fittings can be susceptible to SCC in certain specific environments. Austenite favours resistance and these Duplex Steel S32205 Forged Socket Weld Lateral Tee Fittings is usually superior to the martensitic and ferritic stainless steels.

Duplex S31803/S32205 Forged Socket weld 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 : Socket weld Fittings
Grades : S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Duplex S31803/S32205 Forged Socket weld Fittings Chemical Composition
Grade C Mn Si P S Cr Mo Ni N Fe
Duplex S31803 0.030max  2.00 max 1.00 max 0.030max 0.020 max 22.0-23.0  3.0-3.5  4.50-6.50 0.14-0.20  63.72 min
Duplex S32205 0.030max  2.00 max 1.00 max 0.030max 0.020 max 21.0-23.0 2.50-3.50  4.50-6.50 0.08-0.20  63.54 min

Duplex S31803/S32205 Socket weld 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 Duplex S31803/S32205 Forged Socket weld Fittings
STANDARD WERKSTOFF NR. UNS
Duplex S31803/S32205 1.4462 S31803/S32205
Duplex S31803/S32205 Forged Socket weld 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 S31803/S32205 Forged Socket weld Fittings Test Certificates

We at Ninthore Overseas 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 Ninthore Overseas 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)