Sagar Prakash alloys are said to be the leading manufacturer of flanges they offer you with the flanges in various shapes and size. The flanges that are being offered to you are in various grades as per the requirement of the people. We are said to be the most preferred manufacturer in India who offer you with the Stainless Steel 321/321H Flanges. The flanges are being manufactured at even as well as odd sizes and they also provide you with the hard fitting of stainless steel. The flanges that are being offered to you are also tested and certified as well.
These are the flanges that are mainly used by the marine engineering, chemical processing and great exchangers, pump manufacturing and many more. The raw material that is being used for manufacturing is of the best quality. The materials used are ISO and PED approved. We also offer people with free samples along with free quotes. We also make sure that delivery of the material is fast in and outside the country. They are being made with international standards keeping in mind and are also national and internationals standards approved. They provide you with high durability and are also resistant to high temperature as well. They are said to be resistance to high erratic temperature. They are the best and are highly sustainable.
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Stainless Steel 321/321H Flanges are the best and are packed in the wooden boxes so that there are no damages being seen in the last stage of production. They are best in all temperature.
Stainless Steel 321/321H Flanges Specification
Standard | ASTM A182, ASME SA182 |
Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
Size | 1/2" (15 NB) to 48" (1200NB) |
Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
Form | Slip on flanges, Socket weld flanges, Forged flanges, Blind flanges, Welding neck flange, Ring type joint flange, Spectacle blind flange, Reducing flange, Threaded / Screwed flange, Orifice Flanges, Tongue and Groove flange, Long weld neck flange, Plate flange, ASME B16.5 flange |
ASTM A182 Stainless Steel 321/321H Flanges Availability

SS 321 Slip On Flanges
Stainless Steel 321 Slip On Flanges, 321 Forged Slip On Flanges, ASTM A182 SS 321 Slip On Flanges, 321H SS Slip On Flanges, SS DIN 1.4541 Slip On Flanges, 321 DIN 16.5 Slip On Flanges, ASME 321 Slip On Flanges, SS UNS S32100 Slip On Flanges, AISI 321H Slip On Flanges, Stainless Steel SUS 321 Slip On Flanges.

SS 321H Weld Neck Flanges
Stainless Steel 321H Weld Neck Flanges, AISI 321 Weld Neck Flanges, SS 321H Weld Neck Flanges, SS UNS S32109 Weld Neck Flanges, ASTM A182 Steel 321H Weld Neck Flanges, 321 Stainless Steel Weld Neck Flanges, SS DIN 1.4878 Weld Neck Flanges, SS SUS 321 Weld Neck Flanges.

SS 321 Blind Flanges
AISI 321 Blind Flanges, SS 321 Blind Flanges, 321 Blind Flanges, SS UNS S32100 Blind Flanges, SS DIN 1.4541 Blind Flanges, ASTM A182 Steel 321 Blind Flanges, 321H DIN 16.5 Blind Flanges, 321 Stainless Steel Blind Flanges, Stainless Steel 321 Blind Flanges, Stainless Steel SUS 321 Blind Flanges.

SS 321H Socket Weld Flanges
Stainless Steel 321H Socket Weld Flanges, AISI 16.5 321 Socket Weld Flanges, SS 321H Socket Weld Flanges, ASTM A182 Steel 321 Socket Weld Flanges, Stainless Steel DIN 1.4541 Socket Weld Flanges, Steel UNS S32109 Socket Weld Flanges, SS DIN 1.4878 Socket Weld Flanges.
Equivalent Grades of ASME SA182 Stainless Steel 321/321H Flanges
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Stainless Steel 321/321H Flanges Chemical Properties
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 |
SS 321/321H Flanges Mechanical Properties
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Quality Assurance
Stainless Steel S32100 Flanges are manufactured and controlled to international standards such as ASTM, ASME, BS, MSS, EN, DIN or WERKSTOFFE. Our products undergo stringent quality tests before they are dispatched.
Material Testing
PMI Testing, Ultrasonic Test, Mechanical Testing, Spectro Tests for Chemical Analysis of the grade, Flaring Test, IGC, etc. are some of the tests conducted at our facility. We welcome stage wise inspection from any of your representative or third party inspection agencies.
To buy Stainless Steel 321/321H Flanges At best price & urgent delivery please mail to [email protected], As we have Our Dealer, Supplier, distributors & direct sales representatives in all over globe who will help you to buy Stainless Steel UNS S32100 / 1.4541 Flanges & will resolve your queries
Other types of Stainless Steel 321/321H Flanges Ready Stock
- SS 321 Flanges Manufacturer
- Stainless Steel UNS S32100 Flange
- Stainless Steel 321 Lap Joint Flanges
- Stainless Steel DIN 1.4541 Flanges
- SS UNS S32100 High Hub blind flanges
- SS DIN 1.4541 Tongue & Groove Flanges
- SS SUS 321H Long Weld Neck Flanges
- SS DIN 1.4878 Flat Face Flanges
- Stainless Steel 321H Reducing Flanges
- Stainless Steel 321 Loose Flanges
- SS 321H Spectacle blind flanges
- Stainless Steel 321H Wrought Austenitic Flanges
- Stainless Steel DIN 1.4878 Reducing Flanges
- Stainless Steel UNS S32100 Socket Weld Flanges
- Stainless Steel DIN 1.4541 Slip On Flanges
- Stainless Steel SUS 321 Weld Neck Flanges
- Stainless Steel 1.4541 Screwed Flanges Supplier
- Steel 321H Flange Stockholders in India
- Stainless Steel 321 Threaded Flanges
- ASTM A182 SS 321H Ring Type Joint Flanges
- ASME SA182 SS 321 Orifice Flanges Exporter
- Stainless Steel UNS S32109 Blind Flanges
We Deliver ASTM A182 Stainless Steel 321-321H / S32100-S32109 / 1.4541-1.4878 Flanges all over World
We export most of 321 Stainless Steel Flanges to countries like
Algeria, Benin, Botswana, Cameroon, Central African Republic, Comoros Congo, Cote d'Ivoire, Djibouti, Equatorial Guinea, Eritrea, Eswatini, Ethiopia, Guinea, Guinea-Bissau, Lesotho, Liberia, Madagascar, Malawi, Mauritius, Mozambique, Niger, Rwanda, Sao Tome and Principe, Senegal, Seychelles, Somalia, South Sudan, Sudan, Tanzania, Togo, Tunisia, Uganda, Zambia, Algiers, Luanda, Porto-Novo, Gaborone, Bangui, Moroni, Brazzaville, Yamoussoukro, Malabo, Oyala, Mbabane, Addis Ababa, Banjul, Accra, Conakry, Bissau, Monrovia, Tripoli, Antananarivo, Lilongwe, Port Louis, Maputo, Niamey, Abuja, Kigali, Dakar, Victoria, Mogadishu, Pretoria, Cape Town, Khartoum, Lomé, Tunis, Slovakia, Ghana, Portugal, Bangladesh, Romania, Venezuela, Saudi Arabia, Gambia, Kazakhstan, Iran, Indonesia, Thailand, Chile, Oman, Bolivia, Mexico, France, Serbia, Libya, Denmark, Vietnam, Japan, Brazil, Mongolia, United States, China, Switzerland, Sweden, Chile, Afghanistan, Israel, Lithuania, Austria, New Zealand, Ecuador, Iran, Estonia, Qatar, Bhutan, Australia, Hungary, Sri Lanka, Turkey, Costa Rica, Nigeria, Zimbabwe, Hong Kong, South Africa, Trinidad & Tobago,Tunisia, Egypt, Puerto Rico, Greece, Azerbaijan, Ukraine, Colombia, Poland, Argentina, Italy, South Korea, Croatia, Belarus, United Kingdom, Poland, Iraq, Singapore, Netherlands, Malaysia, Nigeria, Germany, Jordan, Ireland, Mexico, Canada, Spain, Philippines, Kuwait, Russia, Angola, Norway, Yemen, Nepal, Finland, Gabon, Macau, Bulgaria, Peru, India, Algeria, Bahrain, Tibet, Czech Republic, Pakistan, Lebanon, Taiwan, Belgium, Namibia, Kenya, United Arab Emirates, Morocco.
We supply most of Stainless Steel 321 Flanges to city like
Thane(Maharashtra), Pimpri-Chinchwad(maharashtra), Coimbatore (Tamil Nadu), Surat(Gujarat), Bhopal(india), Rajkot(Gujarat), Kolkata(West Bengal), Howrah(West Bengal), Bengaluru(Karnataka), Thiruvananthapuram(Kerala), Visakhapatnam(Andhra Pradesh), Vadodara(Gujarat), Ernakulam(Kerala), Hyderabad(Andhra Pradesh), Secunderabad(Hyderabad), Chennai(Tamil Nadu), Haryana(india), Ludhiana(Punjab), Faridabad(Haryana), Indore(Madhya Pradesh), Gurgaon(Haryana), Mumbai (maharashtra), Pune(Maharashtra), New Delhi, Navi Mumbai(Maharashtra), Chandigarh(Punjab), Ahmedabad(Gujarat), Noida(Uttar Pradesh).