Stainless Steel 431 Flanges, Martensitic Stainless Grade, High Mechanical Strength And Wear Resistance, Manufacturer In India

Stainless Steel 431 Flanges
$0.54 - $1.91

Minimum Order : 150 piece

Customization as per requirements


Specification Details
Flanges TypesSlip On, Weld Neck, Companion, Lap Joint, Long Weld Neck, Threaded, Blind
Class150 Lbs, 2500 Lbs Asa 150, 100, 160, 300 Lbs, 600 Lbs, Asa 300, 900 Lbs, Pn 6, 10, 1500 Lbs, 16, 25, 40, 64
Size1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000
TypeRaised Face (rf), Lap Joint Face (ljf), Groove, Small Male Female (smf), Flat Face (ff), Large Male Female (lmf), Ring Type Joint (rtj), Small Tongue, Large Tongue & Groove

Stainless Steel 431 Flanges Size Range Pressure Rating and Machining Finish Details

Metalica Forging Inc which provides application specific alloy flange solutions in subject specific industrial application, is an expected Stainless Steel 431 Flanges Manufacturer that offers products of strength, wear resistance, and reliable service life. The SS 431 flanges are used in valves, pumps, and pressure systems in oil and gas, power generation, and heavy engineering industries as they have high tensile strength, reasonable corrosion resistance, and can withstand mechanical stress. Also Stainless Steel 304N Flanges are popular in the process piping and structural assemblies of applications that demand a higher level of corrosion resistance and weldability.


These flanges are designed to be dimensionally stable and have the ability to be sealed in both the varying temperature and pressure environments. Their solid metallurgical design enables them to be used in harsh industries over a long period of time without maintenance. Stainless Steel 310H Flanges are mostly used in conditions with high temperatures, like furnaces, heat exchangers and thermal processing units, as they have the best resistance to oxidation and the ability to maintain its strength even at high temperatures. These material options, when combined, will help in ensuring a good joint performance and operational safety within the vast industrial applications.


Stainless Steel 431 Flanges – Technical & Grade Specification Table

MaterialGradeStandardPressure ClassSize RangeFacing TypeTemperature RangeTypical Use
Stainless Steel431ASME B16.5 / ASTM A182Class 150–600½″ – 24″RF / FF–50°C to 600°CHigh-strength, corrosion-resistant piping
Stainless Steel431ASTM A182Class 150–900½″ – 24″RF–50°C to 600°CChemical & petrochemical pipelines
Stainless Steel431EN 1092-1PN10–PN40DN15 – DN600FF / RF–50°C to 600°CPressure vessels & heat exchangers
Stainless Steel431ASTM A182 F431Class 150–600½″ – 24″RF / FF–50°C to 600°CMarine & industrial fluid systems
  • Applications: They are used in high-pressure piping, valves, and heat exchangers in such industries as oil and gas, chemical processing, and power generation because of their excellent mechanical characteristic.

  • Material Quality: These flanges are made of corrosion resistant SS 431 which provides good strength, hardness and thermal stability, guaranteeing durability in adverse conditions.

  • Grade & Standards: It is manufactured in compliance with the international standards of engineering and safety in accordance with ASTM A182 and ASME B16.5 standards.


  • Other Features: Have the ability to resist high temperatures to 870°C which makes them fit in the moderate operating settings in addition to the extreme ones with steady performance in Indoors and outdoors installations.

Client Project Report of Stainless Steel 431 Flanges

Product SuppliedQuantityCities (India)
Stainless Steel 431 Flanges for Oil & Gas Piping167 PiecesMumbai
Stainless Steel 431 Flanges for Petrochemical Plants203 PiecesAhmedabad
Stainless Steel 431 Flanges for Power Equipment189 PiecesChennai
Stainless Steel 431 Flanges for Water Treatment Systems175 PiecesPune
Stainless Steel 431 flanges have high strength, good corrosion resistance as well as temperature stability, which makes them applicable in critical chemical, marine and industrial usage. The choice of material grades is guaranteed to be very durable at high stress levels, and cyclic loads. In the design and procurement process, Stainless Steel 317 Flanges are occasionally compared to 431 flanges, and corrosion resistance and mechanical performance are compared. On a B2B portal, these specification tables assist the buyer and the engineers to make a specific choice in terms of size, rating, and compatibility with the existing piping systems.


Type of Sub-products

  • Stainless Steel 431 Slip On Flanges
    Stainless Steel 431 Slip On Flanges

    Stainless Steel 431 Slip On Flanges

    Stainless Steel 431 Slip On Flanges are versatile and robust components designed for secure and reliable piping connections in demanding environments. Made from grade 431 martensitic stainless steel, these flanges offer exceptional strength, wear resistance, and moderate corrosion resistance, making them ideal for applications in marine, aerospace, and chemical processing industries.

  • Stainless Steel 431 Weld Neck Flanges
    Stainless Steel 431 Weld Neck Flanges

    Stainless Steel 431 Weld Neck Flanges

    Stainless Steel 431 Weld Neck Flanges are high performance components designed for critical piping systems requiring durability and reliability under high pressure and temperature conditions. Manufactured from 431 grade martensitic stainless steel, these flanges offer excellent mechanical strength, wear resistance, and moderate corrosion resistance, making them ideal for demanding applications in marine, aerospace, and chemical processing industries.

  • Stainless Steel 431 Weld Neck Flanges
    Stainless Steel 431 Weld Neck Flanges

    Stainless Steel 431 Weld Neck Flanges

    Stainless Steel 431 Weld Neck Flanges are high performance components designed for critical piping systems requiring durability and reliability under high pressure and temperature conditions. Manufactured from 431 grade martensitic stainless steel, these flanges offer excellent mechanical strength, wear resistance, and moderate corrosion resistance, making them ideal for demanding applications in marine, aerospace, and chemical processing industries.