Uns S31803 Pipe/Uns S31803 Bar/Uns S31803 plate/Uns S31803 tube suppliers

Largest Distributor Of Uns S31803 Pipe, Uns S31803 Bar, Uns S31803 flanges, Uns S31803 tube, Uns S31803 plate 140 Ton Ready Stock for Sale.

Naman Pipe & Tubes has Uns S31803 Pipe/Uns S31803 Bar/Uns S31803 flanges/Uns S31803 tube/ inventory to fulfill your project’s needs, buy Uns S31803 flanges at best price & fast delivery. Supplying Uns S31803 Bar, Uns S31803 plate from approved manufactures and stockists based in the INDIA

AISI 2205
(F51 - S31803)

A dual phase steel, it has a very high resistance to corrosion and is especially used in offshore platforms. With respect to SS2324, it has a slightly lower chromium content and a greater quantity of molybdenum.

Uns S31803 - Super Duplex steel grades are designed to offer a super combination of heat resistance, high temperature corrosion resistance, toughness and strength, and are used in the world’s most technically demanding industries.

Our specialty at Naman Pipe & Tubes offers a full range of Uns S31803 Pipe, Tubes, Sheet, Plate, Fasteners And Round Bar form. We have ready stock available of Uns S31803 Pipe, Tubes, Sheet, Plate, Fasteners And Round Bar in all forms which makes an ideal one stop shop for all your requirements.
Our reputation is to supply our customers with QUALITY MATERAL, IMMEDIATE DELIVERIES and LOW PRICES. Our first priority is “Servicing out Customers.” Twenty-four Hours a Day. We also supply products with minimum orders, in small quantity of all sizes.


-----------> Uns S31803 Products

Duplex stainless steels are a tougher breed of stainless steels than the usual 300 series austenitic types, with about twice the comparative strength. Duplex is usually a mix of both austenite and ferrite structures, resulting in improved engineering properties than the 300 series. But where pure ferrite grades have reduced corrosion resistance, Duplex stainless steels have increased resistance to localized corrosion over 300 series stainless steels; particularly pitting, crevice corrosion, and stress corrosion cracking. Duplex grades are characterized by high chromium (19–32%) and molybdenum (up to 5%) and lower nickel contents than 300 series austenitic stainless steels.
The properties of duplex stainless steels are achieved with an overall lower alloy content than similar-performing super-austenitic grades, making their use cost-effective for many applications. Indeed they have seen a resurgence in recent years in industrial applications, particularly oil and gas.

When supplying Duplex stainless Steel, Naman Pipes supplies a dual grade covering both F51 (UNS S31803) and F60 (UNS S32205).

Naman Pipes also carries out the following supplementary testing on all Duplex material:

  • Ferrite/Austenite ratio and/or computerized microstructural analysis
  • Corrosion test
  • Charpy impact test, -40°C
  • Ultrasonic test

Corrosion Resistance: Excellent, improved over all other 300 series austenitic stainless steels.

Heat Treatment: Solution anneal and quench – heat to between 1950°F [1050°C] and 2010°F [1100°C], and water or liquid cool immediately below 500°F [260°C]. Air cooling is not permitted.

Duplex Steel F51 (UNS S31803) / F60 (UNS 32205)

Technical Data Sheet

Chemical Composition Limits
Weight% C Mn P S Si Cr Ni Mo N
Duplex F51 0.03 max 2.0 max 0.03 max 0.02 max 1 max 21-23 4.5-6.5 2.5-3.5 0.80-0.20

F51 Duplex Stainless Steel combines improved resistance to stress corrosion cracking, pitting, crevice corrosion and high strength. Due to it's chemical composition F51 duplex stainless steel resists chloride environments and sulphide stress corrosion. 

Typical Mechanical Properties

Alloy Tensile Strength N/mm² Proof Strength 0.2% N/mm² Elongation (%)
Hardness Brinell
F51 105 55 35 170-255
F51 95 50 35 170-255

Duplex F51 is available in Plate, Sheet, Round Bar, Flat Bar and Forging Stock for sizes contact Sales.

ASTM A182 F51 / F60
ASTM A276 F51 / F60
ASTM A479 F51
BS 318S13 (Wrought)
BS 332C15 (Cast)
WS 1.4462
WS 1.4470
UNS S31803
UNS S32205
SAF2205 - SANMAC (Brand name)
URANUS 45N (Brand name)
FALC223 (Brand name)

This dual grade is available in all Flanges and Fittings.

Please feel free Send your inquiry in the form below. we will reply you soon

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Uns S31803 Pipe suppliers, Uns S31803 Bar Stockist, Uns S31803 flanges distributors, Uns S31803 tube dealers, Uns S31803 plate suppliers india

If You’re Looking For A Trusted And Reliable Supplier Of Super Duplex Steel Bars
Then Call
Naman Pipe & Tubes Today

PHONE:+91 22 67438107, +91(22) - 67438116, +91 9004 096 535

EMAIL ID:info@namanpipe.com,namanpipes@gmail.com

Uns S31803 Pipe suppliers, Uns S31803 Bar Stockist, Uns S31803 flanges distributors, Uns S31803 tube dealers, Uns S31803 plate suppliers india

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