What is Stainless Steel 309/309S Flanges ?
Sumit Impex is one of the top most producer, exporter and provider of Stainless Steel 309/309S Flanges, as per widespread standard nature of rough materials which find application all completed particular divisions.
Amalgam 309/309L (UNS S31600/S31603) is a chromium-nickel molybdenum austenitic tempered steel made to give upgraded consumption impenetrability to Alloy 309/309L in sensibly dangerous circumstances.
Our Stainless Steel 309/309S Ring Type Joint Flanges is a method of joining spines, siphons, valves and other apparatus to make a diverting structure. The required size of SS 309S Threaded Flanges may not be acquired from the factory legitimately now and again, so then the cool task procedure can be utilized to get the ideal size. 309 Stainless Steel Socket Weld Flanges is likewise utilized in heater parts, fire box sheets, and other high temperature compartments.

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We produce ASME SA182 SS 309 Spacer Ring Flanges can be promptly chilly framed by standard techniques and gear. In the wake of manufacturing, toughening is prescribed in these Alloy 309S Socket weld Flanges for to ease all worries from the fashioning procedure.
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Stainless Steel 309/309S Flanges Specifications
Specifications | ASTM A182 / ASME SA182 |
---|---|
Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
Size Range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 , as per Customer Requirements |
Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Surface | pickling, annealing, bright, sand blast, hair line |
Type | Weld Neck Ring Flange (WNRF), 310 Stainless Steel, Slip-On Ring Flange (SORF), 310 Stainless Steel, Blind Ring Flange (BLRF), 310 Stainless Steel, Socket Weld Ring Flange (SWRF), 310 Stainless Steel, Threaded Ring Flange, 310 Stainless Steel, Lap Joint Ring Flange (LJRF), 310 Stainless Steel, Ring Type Joint Flange (RTJF), 310 Stainless Steel |
Connection type | Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue, Groove, Small Tongue, Groove. |
Test Certificates | EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc |
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS 309 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | – | X15CrNi25-20 |
SS 309S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | – | X8CrNi25-21 |
Grade | Cr | Ni | C | Mn | P | S | Si |
SS 309 | 22.0 min.-24.0 max. | 12.0 min.-15.0 max. | 0.20 | 2.00 | 0.045 | 0.030 | 0.75 |
SS 309S | 22.0 min.-24.0 max. | 12.0 min.-15.0 max. | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 |
Grade | Tensile Strength ksi (min) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Brinell) MAX |
---|---|---|---|---|
309 | 40 | 30 | 40 | 217 |
Other Products
SS 309/309S SORF Flanges | SS 309/309S WNRF Flanges |
SS 309/309S Blind Flanges | SS 309/309S Spacer Ring Flanges |
SS 309/309S Ring Type Joint Flanges | SS 309/309S Nipolet Flanges |
SS 309/309S Nipo Flange | SS 309/309S Long weld Neck Flanges |
SS 309/309S Stainless Steel Pipe Flanges | SS 309/309S Nipolet Flanges |
SS 309/309S Flat Flange | SS 309/309S Lap Joint Flanges |
Stainless Steel 309/309S Flanges Price List
- 309 Flanges
US $0.5-1000 / Piece (FOB Price) - SS 309s Pipe Flanges
US $300-500 / Ton (FOB Price) - Stainless Steel 309 Weld Neck Flanges
US $1-900 / Piece (FOB Price) - ASTM A182 309 stainless steel plate flanges
US $0.5-1000 / Piece (FOB Price) - 309s Pipe Flanges
US $1-300 / Piece (FOB Price)

Packaging
We Sumit Impex Metal Ensure the best quality of Packing , because its play important role especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put extraordinary concern regarding packaging.
We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
- Boxes and Crates
- Shrink-wrapped
- Carton boxes
- Wooden pallets
- Wooden boxes
- Wooden crates

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

Application Industries
These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.
- Construction
- Bridges
- Petrochemical Industry
- Ship Building
- Engineering
- General Structural Purposes
- Offshore and Onshore Services

Stainless Steel Sheet Manufacturers












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