Metalloy International is by far the most popular supplier of Duplex Steel UNS S31803 flanges in Mumbai, India. These flanges deliver properties such as high corrosion resistance, workability, and high weldability resistance to mechanical strength. These flanges are available at Metalloy International in different shapes, sizes, dimensions or can be customized as requested by our clients. The Duplex Steel UNS S31803 flanges are manufactured using only the highest quality raw materials purchased from one of the country's most reputable suppliers. Once these flanges are obtained in our warehouse, specific tests on these flanges are carried out by our skilled supervisors.

Duplex UNS S31803 flanges are well tested to prevent the transmission of any kind of poor material quality during the manufacture of these flanges. Upon the request of our clients, we also provide third party checks, and records are given for the same. The most widely used flanges in the global market are Duplex UNS S31803 flanges. By incorporating chromium, molybdenum, and nickel alloy, these flanges are produced. While these flanges come with many features, their excellent resistance to chloride pitting corrosion attack and crevice corrosion are some of the highlighted features.

We offer priority to fulfilling the needs of our clients, delivering quality goods and offering after-sale services. When testing these goods, we follow all the usual industrial guidelines. Our experts often inspire and motivate all the workers to work towards the target set by the organization. We still aim to keep the quality set according to international standards and to ensure that it is preserved. Quality is determined by all the goods supplied to the world by Metalloy International, and this is the primary reason why customers worldwide highly appreciate these flanges.

To pack these items, only high quality packaging materials are used. If the goods are shipped to the client, all the required documentation are handed over. For clean, convenient, and timely delivery, we have chosen a quick shipment. That's why, as per our dedication, we still use the best shipping in the sector to deliver damage-free goods to customers located in different parts of the world.

Specifications: ASTM A182 / ASME SA182

Dimensions: ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Size: 1/2" (15 NB) to 48" (1200NB)

Class/Pressure: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Duplex Steel S31803 Slip On Flanges
Duplex S31803 Slip On Flanges (SORF)
Duplex Steel S31803 Weld Neck Flanges
Duplex S31803 Weld Neck Flanges (WNRF)
Duplex Steel S31803 Socket Weld Flanges
Duplex S31803 Socket Weld Flanges (SWRF)
Duplex Steel S31803 Blind Flanges
Duplex S31803 Blind Flanges (BLRF)
Duplex Steel S31803 Ring Type Joint Flanges
Duplex S31803 Ring Type Joint Flanges (RTJ)
Duplex Steel S31803 Long Weld Neck Flanges
Duplex S31803 Long Weld Neck Flanges
WERKSTOFF NR. UNS
1.4462 S31803
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
Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S31803 7.805 0.285 1420 – 1465 2588 – 2669
Duplex Steel UNS S31803 Flanges ANSI B16.5 Duplex Steel S31803 Flanges
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Nowadays, what truly matters is your ability to offer uninterrupted 24/7 service and support to your customers. This is a key differentiator as it not only enhances the overall customer experience, but also allows you to capitalize on important opportunities for proactive customer engagement. Customers view round-the-clock availability as one of the most valuable assets of an organization, and being able to provide them with on-demand service and support paves the way towards loyalty and retention.