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Stainless Steel 321h Flanges Manufacturer | Astm A182 F321h Uns S32109 Flange

Stainless Steel 321h Flanges Manufacturer | Astm A182 F321h Uns S32109 Flange

Specification Details
Flanges TypesSlip On, Companion, Weld Neck, Lap Joint, Long Weld Neck, Threaded, Blind
Class300 Lbs, 150 Lbs, 2500 Lbs Asa 150, 160, 100, Asa 300, 600 Lbs, Pn 6, 900 Lbs, 10, 16, 1500 Lbs, 25, 40, 64
Size1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000
TypeRaised Face (rf), Small Male Female (smf), Lap Joint Face (ljf), Groove, Large Male Female (lmf), Flat Face (ff), Ring Type Joint (rtj), Large Tongue & Groove, Small Tongue

Stainless Steel 321H Flanges Manufacturer | UNS S32109 ASTM A182 Flange

Metalica Forging Inc. is a reputable Stainless Steel 321H Flanges Manufacturer, providing high-quality flange products to meet the high-performance and demanded flange products. Stainless Steel 321H Flanges are formed by titanium-stabilised austenitic stainless steel with a more significant amount of carbon content, which enhances the strength and the perfect consequences against intergranular corrosion at high temperatures. These flanges are common in heat processing industries, power generation plants, and oil refineries, as well as petrochemical plants, where they need to be thermal and durable. Stainless Steel 321H Flanges come in weld neck, slip-on, blind, socket weld, threaded, and lap joint designs with high sealing properties, high weldability, and long operational life when used in harsh operating conditions.

Developed as per ASTM, ASME, ANSI, DIN, and ENs, Stainless steel 321H Flanges provide better mechanical stress, oxidation, and dimensional precision to pipe critical systems. They are usually distributed via a reliable b2b market with users being EPC contractors and industrial buyers, as well as engineering firms across the globe. Titanium Flanges are also commonly used in very corrosive and lightweight industrial systems due to their outstanding corrosion resistance and high strength-to-weight ratio. ST321H Flanges are widely used in exhaust, pressure vessels, chemical processing units, heat exchangers, boilers, and high-temperature piping networks where secure connections, leak-free operation, and reliability of operation are required.

Material & Grades Table – Stainless Steel 321H Flanges

MaterialGradeStandardOD (mm)Thickness (mm)Weight (kg/m)
Stainless SteelSS 321HASTM A182 F321H15 – 25005 – 150As per size
Stainless SteelUNS S32109ASME SA18215 – 25005 – 150As per size
Stainless SteelSS 321H Weld NeckANSI B16.515 – 25005 – 150As per size
Stainless SteelSS 321H Slip-OnDIN Standard15 – 25005 – 150As per size
Stainless SteelSS 321H BlindEN Standard15 – 25005 – 150As per size
Stainless SteelSS 321H Socket WeldASTM Standard15 – 25005 – 150As per size
The table given above gives the typical grades, standard, and dimensional specifications of Stainless steel, which can be used as flanges of type 321H. These flanges are designed with great ability to resist oxidation, high-temperature strength, and secure sealing ability. They are popular in petrochemical plants, power plants, heat exchangers, pressure vessels, and industrial piping systems, where a long life cycle and reliable operation are of high importance.



Type of Sub-products

Frequently Asked Questions

What are the uses of stainless steel 321H flanges?

What are the available 321H stainless steel flange dimensions in the market?

What are the critical properties of Stainless Steel 321H flanges?


Countries We Export

  • India


Cities We Supply

  • Bangalore Urban

  • Hyderabad

  • Jaipur

  • Kalyan

  • Rampura

  • Sion, Mumbai

  • Surat

  • Thane

  • Gandhinagar

  • Rajahmundry

  • Panipat

  • Ahmadnagar

  • Ahmadpur

  • Bangalore Rural

  • Chandigarh

  • Chennai

  • Coimbatore

  • Haridwar

  • Jodhpur

  • Kolhapur

  • Mumbai

  • Murud (raigad)

  • Navi Mumbai

  • New Delhi

  • Rudrapur

  • Hosdurg

  • Durgapur

  • Ahmedabad

  • Jodhpur (ahmedabad)

  • Kolkata

  • Mumbai Suburban

  • Nashik

  • Raipur

  • Rajkot

  • Varanasi

  • Visakhapatnam

  • Angul

  • Bengaluru

  • Lucknow

  • Nagpur

  • Pune

  • Moradabad

  • Bharuch


Industries We Serve

  • Oil And Gas Industries industry

    Oil And Gas Industries

  • Gasket Industry industry

    Gasket Industry

  • Sugar industry

    Sugar

  • Automobile Industry industry

    Automobile Industry

  • Defense Industry industry

    Defense Industry

  • Construction & Fabrications industry

    Construction & Fabrications

  • Paper Mill industry

    Paper Mill

  • Bridge And Building industry

    Bridge And Building

  • Aerospace Industries industry

    Aerospace Industries

  • Railways industry

    Railways

  • Pharmaceuticals Industry industry

    Pharmaceuticals Industry

  • Power Plant industry

    Power Plant

  • Electrical Industry industry

    Electrical Industry

  • Ring Man Units industry

    Ring Man Units


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