ASME B16.5 / ANSI B16.47 150# & 300#
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Taurus Piping Solutions is a noteworthy manufacturer and exporter of Duplex Steel UNS S31803 Backing Ring Flanges fabricated using superior quality raw materials and advanced technology equipment. We manufacture these Duplex Steel S31803 SOFF Backing Ring Flanges in compliance with globally accepted quality standards in various sizes, dimensions, pressure classes, specifications and also in customized configuration as per the requirements of our customers at the most reasonable prices.
Duplex Steel UNS S31803 Backing Ring exhibit superior resistance tocorrosion, resistance to chloride corrosion, pitting and crevice corrosion resistance, etc. Duplex Steel S31803 Slip on Flat Face Flanges have superior corrosion resistance to seawater and most concentrations of sulphuric acid.UNS S31803 Duplex Stainless Steel Backing Ring Flanges exhibit effective resistance to stress corrosion cracking, corrosion resistance under warm seawater conditions.
Duplex Steel S31803 Backing Ring Flanges are used in a variety of industries like petrochemical and chemical processing industries, oil and gas industries, marine equipment, pulp and paper mills, offshore drilling equipment, etc. Our UNS S31803 Duplex Steel Backing Ring Flanges are commonly used for their excellent workability, machinability, toughness, reliability, formability, weldability, dimensional accuracy, flawless finish and more. We perform various types of tests to ensure the reliability of our flanges. We are the leadingexporters of Duplex Steel UNS S31803 Flanges in various regions like Australia, New Zealand, Dubai, Abu Dhabi, Oman, Saudi Arabia, South Africa, Canada, Qatar, Bahrain, USA, etc.
Being a client centric company we undertake various quality checks on our Duplex Steel Backing Ring Flanges to make sure they are ideal for use in various environments right from procurement of raw materials to the final delivery of flanges. The tests conducted include Positive Material Identification Test, Pitting Resistance Test, Flaring Test, IGC Test, Hardness Test, Chemical Analysis, Micro and Macro Test, and so on.
| Standard | W.N. |
|---|---|
| S31803 | 1.4462 |
| Grade | C | Mn | P | S | Si | Cr | Ni |
|---|---|---|---|---|---|---|---|
| S31803 | 0.030 max | 2.00 max | 0.030 max | 0.020 max | 1.00 max | 22.0-23.0 | 4.50-6.50 |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| S31803 | 7.805 | 1420 - 1465 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Commercial Invoice including HS Code
Packing List including Complete Details
Certificate of Origin legalized
Material Traceability Records
Quality Assurance Plan (QAP)
Heat Treatment Charts
Material Test Certificates (MTC)
NABL approved Laboratory Test Reports
Other Types of Duplex UNS S31803 Soff Backing Ring Flanges
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