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Flanges Manufacturer | Astm A105 A182 A350 Long Weld Neck Flanges

Flanges Manufacturer | Astm A105 A182 A350 Long Weld Neck Flanges

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

Flanges Manufacturer | ASTM A182 F304 F316 Stainless Steel Flange

Neelkanth Stainless Steel is a reputable Flanges Manufacturer that provides industrial piping and engineering solutions of high quality in terms of flanges. Flanges are one of the components necessary in the connection of the pipes and are used to connect the pipes, valves, and pumps, among other equipment, in a way that is secure yet can easily be maintained and inspected. Flanges are manufactured to a high level of precision and produced to high standards of quality, offering high levels of sealing ability, dimensional accuracy, and mechanical strength. They come in different forms, including weld neck, slip-on, socket weld, threaded, lap joint, and blind flanges, to suit their different industrial needs. Flanges find significant application in oil and gas, petrochemical, power generating, marine, and water treatment sectors, where there is a strong desire for dependable piping connections to ensure the safety and efficiency of the operation.

Flanges are manufactured with ASTM, ASME, DIN, and EN standards, which provide excellent corrosion resistance, pressure handling, and life span in harsh environments. Such products are also typically available in a reliable b2b market that caters to EPC contractors, fabrication firms, and industrial clients across the globe. Stainless Steel Blind Flanges are extensively used to close the end of piping systems and pressure vessels in a way that ensures safety in closing the end and is easily inspected later. Flanges find many applications in pressure piping networks, refineries, chemical processing plants, offshore platforms, power plants, and industrial fluid handling systems where leak-free connections and structural integrity are critical.

Material & Grades Table – Flanges

MaterialGradeStandardOD (mm)Thickness (mm)Weight (kg/m)
Stainless SteelSS 304ASTM A18215 – 15005 – 150As per size
Stainless SteelSS 316ASTM A18215 – 15005 – 150As per size
Carbon SteelASTM A105ASME B16.515 – 15005 – 150As per size
Alloy SteelF11ASTM A18215 – 15005 – 150As per size
Duplex SteelUNS S32205ASTM A18215 – 15005 – 150As per size
Nickel AlloyInconel 625ASTM B56415 – 15005 – 150As per size
The table above has provided some frequently used materials, grades, standards, and dimensional requirements of Flanges applied in industrial piping systems. They are designed to offer secure connections, high-pressure capabilities, superior levels of corrosion resistance, and reliability in the long term, which has made such flanges used in petrochemical plants, refineries, power plants, marine systems, water treatment plants, and critical process industries.



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Countries We Export

  • India


Cities We Supply

  • Ahmadnagar

  • Ahmadpur

  • Ahmedabad

  • Bangalore Rural

  • Bangalore Urban

  • Bengaluru

  • Chandigarh

  • Chennai

  • Coimbatore

  • Haridwar

  • Hyderabad

  • Jaipur

  • Jodhpur

  • Jodhpur (ahmedabad)

  • Kalyan

  • Kolhapur

  • Kolkata

  • Lucknow

  • Mumbai

  • Mumbai Suburban

  • Murud (raigad)

  • Nagpur

  • Nashik

  • Navi Mumbai

  • New Delhi

  • Pune

  • Raipur

  • Rajkot

  • Rampura

  • Sion, Mumbai

  • Surat

  • Thane

  • Varanasi

  • Visakhapatnam

  • Moradabad

  • Angul

  • Rudrapur

  • Hosdurg

  • Gandhinagar

  • Rajahmundry

  • Durgapur

  • Bharuch

  • Panipat


Industries We Serve

  • Sugar industry

    Sugar

  • Oil And Gas Industries industry

    Oil And Gas Industries

  • Paper Mill industry

    Paper Mill

  • Power Plant industry

    Power Plant

  • Bridge And Building industry

    Bridge And Building

  • Aerospace Industries industry

    Aerospace Industries

  • Automobile Industry industry

    Automobile Industry

  • Electrical Industry industry

    Electrical Industry

  • Defense Industry industry

    Defense Industry

  • Construction & Fabrications industry

    Construction & Fabrications

  • Ring Man Units industry

    Ring Man Units

  • Railways industry

    Railways

  • Gasket Industry industry

    Gasket Industry

  • Pharmaceuticals Industry industry

    Pharmaceuticals Industry


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