Stainless Steel 321 / 321H Flanges manufacturer

Stainless Steel 321 Flanges, 321 Stainless Steel Flanges, 321H Stainless Steel Flanges Manufacturer, SS F321 Flange Stockist, SS 321H Raise Face Flanges Suppliers, 321 Stainless Steel Flat Face Flanges, SS F321H Flange Exporters in Mumbai India.

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flanges manufacturer

We Priminox Overseas is the leading manufacturer, supplier, and exporter of these Stainless Steel 321/321H Flanges, which is made with the best quality of alloy. We offer these high qualities of flanges in various specifications like length, standard, surface finish, dimensions, wall thickness, and end finish. Moreover, we are working to deliver the urgent orders of our estimated client. As specified by our estimated clients, the product is being manufactured accordingly. These Stainless Steel 321 Flanges are used in many applications in industries such as power generation, petrochemicals, seawater equipment, chemical equipment, etc.

These Stainless Steel 321H flanges have different properties that make it the most reliable product among the industries. The characteristics our high quality of flanges is possessing are Corrosion resistance ability, High weldability property, Durability, Pitting corrosion cracking, Resistance to oxidation, preventing from getting rust, Corrode free, Toughness and many more. All these properties make these Flanges perfect for different industrial use.

SS 321 Ring Type Joint Flanges, UNS S32100/S32109 Flanges, 1.4541-1.4878 Spectacle Blind Flanges, 321H SS Socket Weld Flanges, SS 321 Weld Neck Flange, ASTM A182 F321 SS Slip On Flanges, ASME SA 182 F321 Stainless Steel Forged Flanges Manufacturer in India.

We, Priminox Overseas, are manufacturing these Stainless Steel 321 flanges by collecting the best alloy. We are using these alloys before testing it so that no inferior quality is taken in the manufacturing process. We have all modern equipment, machinery and latest technologies to manufacture the flanges. Our professional experts are hired to check the quality of the flanges that have good knowledge about the manufacturing norms that must be taken care of. Furthermore, we have a quality check at every stage of the manufacturing process to avoid any delays at the last stages of the production. We always follow the national and international quality standards to maintain the quality of these stainless steel 321H flanges.

We also do several testing on the final product. We perform a destructive and non-destructive test on each and every Flange before packaging. And if any error occurred our quality experts are checking it before packaging and delivery. After all these, we pack these flanges with proper packaging material and perform fast and smooth delivery. We also do doorstep delivery to our trustworthy customers. Sometimes we also do labelling on our product for easy identification of product by our clients.


321 / 321H Stainless Steel Flange Specification

Trade nameStainless Steel 321 Flange
Stainless Steel 321 Flanges Standard

ASTM A182 / ASME SA182

ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges

321 Stainless Steel Flange DimensionsB16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN
SS 321 Flanges Size1/2″ (15 NB) to 48″ (1200NB)
Stainless Steel 321 Flanges Class/Pressure
  • 150#
  • 300#
  • 600#
  • 900#
  • 1500#
  • 2500#
  • PN6
  • PN10
  • PN16
  • PN25
  • PN40
  • PN64
Flange Face TypeFlat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
SA 182 Gr 321 Stainless Steel Flanges MarkingAll Flanges are marked as follows: Grade, Standard, Thickness, Heat No. (Or according to the customer’s request.)
Delivery Time7-15 working days as usual, It will based on the detailed order quantity.
Payment TermsPaypal, Western Union, T/T (Telegraphic Transfer or Wire Transfer), L/C or Trade Assurance 30% deposit & balance before shipping
Free SampleYes if we have in stock
UNS S32109 Stainless Steel Flange testing reports
  • EN 10204/3.1B
  • NACE 3.1 Certification
  • Mill Test Certification
  • ISO 17025 Standards by a Government of India approved Laboratory
  • Raw Materials Certificate
  • 100% Radiography Test Report
  • Third Party Inspection Report and others as required
  • Positive Material Identification is done on all raw material procured at  Priminox Overseas
SA 182 F 321 Stainless Steel Flanges Origin & MillsJapanese, Indian, USA, Korean, European, Russian, Ukraine (Strictly No China)
Stainless Steel 321 UNS S32100 Flange Application & uses
  • Petroleum
  • Chemical plant
  • Power sector
  • Gas Industry
  • Hardware tools
  • Metallurgy
  • Machinery
  • Construction
  • Shipbuilding
Flanges Manufacturer in India

Equivalent Grade of SS 321 / 321H Flange

SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

Ready Stock of 321 / 321H Stainless Steel Flanges


Slip On Flanges

Stainless Steel F321 Slip On Flange
ASME SA 182 F321 SS Slip On Flanges
Stainless Steel F321H SORF Flanges
321H SS SOFF Flanges
321H SS Slip On Flanges
UNS S32100/S32109 Slip On Flanges
AISI 321H Slip On Flange
1.4541/1.4878 Slip On Flanges
ASTM A182 F321 Slip On Flange


Weld Neck Flanges

Stainless Steel F321 Weld Neck Flange
ASTM A182 F321 Weld Neck Flange
ASME SA 182 F321 SS Weld Neck Flanges
SS 321H WNRF Flanges
321 SS Weld Neck Flanges
UNS S32100/S32109 Weld Neck Flanges
AISI 321H Weld Neck Flange
1.4541/1.4878 Weld Neck Flanges


Blind Flanges

UNS S32100/S32109 Blind Flanges
AISI 321H Blind Flange
Stainless Steel F321H Blind Flange
Stainless Steel F321 Blind Flange
ASME SA 182 F321 SS Blind Flanges
SS 321H BLRF Flanges
321 SS Blind Flanges
1.4541/1.4878 Blind Flanges
ASTM A182 F321 Blind Flange

Socket Weld Flange


Stainless Steel 321H Socket Weld Flange
ASME SA 182 F321 SS Socket Weld Flanges
321 SS Socket Weld Flanges
UNS S32100/S32109 Socket Weld Flanges
SS 321H SWRF Flanges
AISI 321 Socket Weld Flange
1.4541/1.4878 Socket Weld Flanges
ASTM A182 F321H Socket Weld Flange

Ring Type Joint Flange

Ring type Joint Flanges

Stainless Steel 321H Ring Type Joint Flange
ASME SA 182 F321 SS Ring Type Joint Flanges
SS 321H RTJ Flanges
321 SS Ring Type Joint Flanges
UNS S32100/S32109 Ring Type Joint Flanges
AISI 321 Ring Type Joint Flange
1.4541/1.4878 Ring Type Joint Flanges
ASTM A182 F321H Ring Type Joint Flange

forged flanges

Forged Flanges

ASME SA 182 F321 SS Forged Flanges
SS 321H Threaded Forged Flanges
UNS S32100/S32109 Forged Flanges
AISI 321 Forged Flange
1.4541/1.4878 Forged Flanges
Stainless Steel 321H Forged Flange
321 SS Forged Flanges
ASTM A182 F321H Forged Flange

ASME SA182 F321, 321H Stainless Steel Flanges Price

ASTM A182 F 321 Stainless Steel Flanges : FOB Price US $1,000.00-$3,200.00 / Ton
321H Stainless Steel Flanges :  FOB Price US $800.00-$3,000.00/ Ton
Stainless Steel 321H Slip On Flanges :  FOB Price US $800.00-$5,800.00/ Ton
ASTM A182 F321 Socket Weld Stainless Steel Flange : FOB Price US $1,299.00-$1,999.00/ Ton
ASME  SA182 F 321H Stainless Steel Flange : FOB Price US $1,100.00-$5,000.00/ Ton

Stainless Steel 321 / 321H Flange Chemical Composition

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 5(C+N) – 0.70 max
SS 321H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 4(C+N) – 0.70 max

ASTM A182 F321 / 321H Flanges Mechanical Properties

Density Melting Point Tensilee Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Widest Stock of 321 / 321H Stainless Steel Flanges

Suppliers Stockist and Distributors Of World's Top 10 Manufacturers Of SS 321 / 321H Flanges

Approved In The Following Top Refineries Across The Globe

Application of Stainless Steel 321 / 321H Flanges

Oil & Gas Industry 90%
Chemical Industry 75%
Power Plants Industry 65%
Nuclear Plants Industry 50%
Ship Building Industry 79%
Paper & Pulp Industry 55%

Manufacturer Stainless Steel 321 / 321H Flanges

The list of top cities in India
New DelhiAhmedabadJaipurSuratSalemGandhinagar
BhubaneswarVijaywadaFirozabadBokaro Steel CityRajkotBharuch

ASTM A182 F321 / 321H Flanges Distribution Network

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

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Priminox Overseas

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502, 5th Floor, Radhe Vallabh CHS, Modi Chambers, French Bridge, Opera House, Mumbai 400004, India
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