ASTM A240 Alloy 255 Socket Weld Flanges Suppling at South Africa, Ferralium 255 Reducing Flanges Manufacturing at Croatia, Ferralium 255 Slip on Flanges, Ferralium 255 Plate Flanges Suppling at Saudhi Arabia, DIN 1.4507 Ferralium Flanges, ASME SA240 Super Duplex Alloy 255 Flanges, UNS S32550 Orifice Flanges Leading Supplier & Exporter in Mumbai India.

Alpha Overseas(AOS) is one of the prominent suppliers that offer Super Duplex Ferralium 255 Flanges, which in addition has good chemical corrosion resistance as well as being erosion resistant. Ferralium 255 Pipe Flanges is called as "super", because it is more alloyed than ordinary stainless steels and has superior corrosion resistance. Ferralium 255 Slip On Flanges achieves higher strengths than other alternative corrosion resistant alloys, offering the potential to reduce section size and therefore weight and cost. This cost effective Ferralium 255 Blind Flanges has a number of beneficial characteristics including: resistance to corrosion, crevice corrosion, pitting, and chloride stress corrosion cracking. Ferralium 255 Socket Weld Flanges has great ductility and impact strength at both ambient and sub-zero temperatures. This combination makes Ferralium 255 Weld Neck Flanges ideal for demanding applications in a number of different industries such as Offshore, Pulp & Paper, Oil & Gas, Nuclear, Chemical Processing, Flue Gas Desulfurization and Marine Industry. In seawater and other chloride containing environments, Ferralium 255 Orifice Flanges also provides outstanding resistance to pitting and crevice corrosion, with Critical Pitting Temperature exceeding 50 Degree C.

Ferralium 255 Flanges
Ferralium 255 Flanges
Alloy 255 Flanges
Alloy 255 Flanges

Super Duplex Ferralium 255 Flanges Suppling at Oman, F255 Flanges Manufacturing at Tanzania, Ferralium 255 Pipe Flanges, Ferralium 255 Socket Weld Flanges, Ferralium 255 Weld Neck Flanges Suppling at Spain, Ferralium 255 Orifice Flanges, Ferralium 255 Ring Type Joint Flanges, Ferralium 255 Blind Flanges Manufacturer & Stockist in Mumbai, India.

Ferralium 255 Ring Type Joint Flanges are characterised by higher Chromium content than standard duplex stainless, typically around 25 % and offer improved corrosion resistance and better mechanical properties. We have been recognized for our outstanding customer service to offer F255 Flanges, in satisfaction surveys of top-ranked mills in India and all over the world.

Our products are made from superior quality Raw Material and are available in Customized Designs to suit different requirements of the clients. Our contemporary technology and constant efforts to acquire new skills to enhance production is the secret of our success and impeccable quality.


ASTM A240 / ASME SA240 Ferralium 255 Flanges Specification :

Size : 1/8" NB TO 24" NB

Designation : ASTM A240 / A182 / A479

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

Form : Slip on Flanges – SORF, Weld neck Flanges – WNRF, Socket weld Flanges – SWRF, Blind Flanges – BLRF, Lapped joint Flanges, Screwed Flanges, Long weld neck Flanges, Reducing Flanges, Spectacle Flanges, Ring joint Flanges.

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

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

Grade : Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61

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


Ferralium 255 Flanges Equivalent Grades

Ferralium/Alloy 255 1.4507 S32550


Ferralium 255 Flanges Chemical Composition

Element C Si Mn P S Cr Ni Mo Cu N PREN Fe
Min - - - - - 24.00 4.50 2.90 1.50 0.10 40.00 0.00
Max 0.04 1.00 1.50 0.040 0.030 27.00 6.50 3.90 2.50 0.25 - 0.00


Ferralium 255 Flanges Mechanical & Physical Properties

Element Density Melting range 0.2% Proof Stress Tensile Strength Impact Strength (Room Temp) Elongation Hardness (Brinell)
Ferralium 255 78.1 g/cm3 1385-1443℃ 550 N/mm2 750 N/mm2 80J 25 % 220 - 270

Testings (Destructive, Non Destructive):
  • Positive Material Identification - PMI Testing
  • Chemical Analysis - Spectro Analysis
  • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
  • Micro Test
  • Macro Test
  • Hardness Test
  • Pitting Resistance Test
  • Intergranular Corrosion (IGC) Test
  • Flaring Test
  • Flattening Test
  • Hydrostatic Test
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
  • Radiography Test
  • Dye Penetrant Test (DP Test)
  • Ultra Sonic Test (UT)
  • Eddy Current Testing
  • Impact Test
  • Bend Test


  • We understand the importance of packaging specially in case of international shipments as the consignment has to go through a number of channels to reach the final destination, thus we take proper care of packing.
  • We pack our goods in a various ways depending on the products. The different ways in which our products are packed are:
    • Shrink-wrapped
    • Wooden Boxes
    • Wooden Pallets
    • Wooden Crates
    • Carton boxes


  • All our products will have complete marking details which are co-related to the test certificates we supply.
  • In case of orders for cut piece of Pipes, Sheets or Round Bars, the marking is transferred from the product from which it is cut. In such cases we provide Letter confirming the marking transfer and picture of the product from which it is cut.


Delivery Time:
  • If the items are available in stock, we take 2 days from the date of receipt of advance payment to clear the shipment and send it to port.
  • And in-case the items are not availabe in stock, the time taken for manufacturing depends on the size, quantity and grade.
  • However we can claim the fact that we can compete with anyone in India on Delivery time and most of the time our production time is the least.
  • We have tied up with strong logistic partners in India which can undertake any type of shipping activites and make sure that there is no delay in shipment.


  • We welcome stage wise inspection, final stage inspection from any of your representative or third party inspection agencies.
  • We regularly have inspections ongoing at our premises from internationally acclaimed Inspection Agencies such as TUV, Llyods, BVIS, SGS, DNV etc.


  • Ferralium 255 is used a lot in Chemical Process Plants which processes Nitric Acid, PP Production, PVC Production
  • Alloy 255 has its application in Marine, Water and Waste Waster Industries
  • Pumps, Pipes, Vessels of Oil and Gas industry are made up of Ferralium 255
  • Ferralium 255 also has its application in Pulp and Paper Industry, Food Industry, Agrochemicals and Sewage Treatments

Other Types Of Ferralium 255 Flanges
  • Ferralium 255 Forged Flanges
  • Ferralium 255 S32550 Slip on Flanges
  • ANSI 4507 S32550 Blind Flange
  • Alloy Steel 255 Socket weld Flanges Exporter
  • Alloy 255 Threaded Flanges Distributors
  • Ferralium 255 Ring Type Joint Flanges Manufacturer at Malayasia
  • Ferralium 255 S32550 Spectacle Blind Flanges
  • DIN 1.4507 Super Duplex 4507 SORF Flanges
  • Alloy 255 Screwed Flanges Stockist
  • Ferralium 255 S32550 Male & Female Flanges
  • Ferralium 255 F61 Tongue & Groove Flanges
  • Ferralium 255 Flanges
  • Ferralium 255 BS 4507 Flanges
  • Alloy Steel UNS S32550 Flanges
  • Ferralium 255 Gr. F51 Flat Flange Suppliers
  • Ferralium 255 Gr. F52 Weld Neck Flanges Dealer
  • Ferralium 255 F53 Long Weld Neck Flanges Stockholder at Netherland
  • Alloy 255 Grade F55 Reducing Flanges
  • Alloy Steel DIN 1.4507 Orifice Flange
  • Super Duplex Steel UNS S32550 WNRF Flange
  • ANSI B16.5 Ferralium 255 RTJ Flanges
  • ASTM A240 Ferralium 255 Lap Joint Flanges

Approved manufacturer of
Sabic approved Ferralium 255 Flanges
KNPC approved Ferralium 255 Flanges
Williamson approved Ferralium 255 Flanges
MARAFIQ approved Ferralium 255 Flanges
Magnetrol approved Ferralium 255 Flanges
QATARGAS approved Ferralium 255 Flanges
ONGC approved Ferralium 255 Flanges
FW approved Ferralium 255 Flanges
IBR approved Ferralium 255 Flanges
Alba approved Ferralium 255 Flanges
Kuwait Oil Company approved Ferralium 255 Flanges
Egyptian General Petroleum Corporation approved Ferralium 255 Flanges
Industry We Serve
Ferralium 255 Flanges in Petrochemical Industry
Ferralium 255 Flanges in Oil & Gas Industry
Ferralium 255 Flanges in Power Plant at Algeri
Ferralium 255 Flanges in Pharmaceuticals Industry
Ferralium 255 Flanges in Chemicals Industry
Ferralium 255 Flanges in Defence Industry
Ferralium 255 Flanges in Food and Beverages Industry
Ferralium 255 Flanges in Sugar Industry
Ferralium 255 Flanges in Paper Industry
Ferralium 255 Flanges in Cement Industry
Ferralium 255 Flanges in Dairy Industry
Ferralium 255 Flanges in Mining Industry

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We Supply Our Ferralium 255 Flanges in Countries like


We are Experts in Exporting Ferralium 255 Flanges worldwide

We are Exporter of Ferralium 255 Flanges in Worldwide Such as India, Gambia, Romania, Singapore, South Korea, Bhutan, Australia, Argentina, Chile, Canada, Afghanistan, Peru, Russia, Israel, Belgium, Portugal, Brazil, China, South Africa, Germany, Macau, Saudi Arabia, Belarus, Bulgaria, Mexico, Algeria, Azerbaijan, Puerto Rico, New Zealand, Egypt, Namibia, Iran, United Arab Emirates, Slovakia, United Kingdom, Kuwait, Jordan, Iran, Costa Rica, Gabon, Trinidad & Tobago,Tunisia, Finland, Ukraine, Philippines, Estonia, Nepal, Lebanon, Kazakhstan, Poland, Denmark, Venezuela, Yemen, Turkey, Mexico, Ghana, Colombia, Greece, Austria, Morocco, Ecuador, Switzerland, Nigeria, Qatar, Mongolia, Malaysia, Nigeria, Kenya, Iraq, Hong Kong, Indonesia, Thailand, France, Netherlands, Poland, Serbia, Lithuania, United States, Bahrain, Chile, Italy, Vietnam, Ireland, Sweden, Croatia, Hungary, Japan, Oman, Czech Republic, Bangladesh, Angola, Pakistan, Bolivia, Zimbabwe, Spain, Sri Lanka, Tibet, Norway, Libya, Taiwan.

We have supplied of Ferralium 255 Flanges to following places

We are Suppliers of Ferralium 255 Flanges in India Such as Mumbai, Rajkot, Ludhiana, Mexico City, Bangkok, Gurgaon, Navi Mumbai, Lahore, Los Angeles, Singapore, Haryana, Pune, Gimhae-si, Vadodara, Nashik, Perth, Nagpur, Madrid, Toronto, Abu Dhabi, Petaling Jaya, Colombo, London, Granada, Manama, Noida, Milan, Jamshedpur, Lagos, Dammam, Coimbatore, Muscat, Geoje-si, Jeddah, Doha, Caracas, Secunderabad, Surat, Houston, Sydney, Ahvaz, Jaipur, Hyderabad, Chandigarh, New Delhi, Thiruvananthapuram, Ulsan, Ranchi, Brisbane, Karachi, Algiers, Istanbul, Melbourne, Ernakulam, New York, Ankara, Courbevoie, Tehran, Calgary, Baroda, Hong Kong, Montreal, Al Jubail, Dallas, Howrah, Bengaluru, La Victoria, Chiyoda, Kolkata, Kuwait City, Hanoi, Pimpri-Chinchwad, Bhopal, Moscow, Al Khobar, Ahmedabad, Cairo, Port-of-Spain, Faridabad, Bogota, Thane, Riyadh, Dubai, Visakhapatnam, Edmonton, Kuala Lumpur, Santiago, Indore, Ho Chi Minh City, Busan, Rio de Janeiro, Kanpur, Vung Tau, Sharjah, Jakarta, Chennai, Atyrau, Seoul, Aberdeen.