What is Stainless Steel 317/317L Flanges ?
Stainless steel 317/ 317L flanges are made of highly qualified and superior material. These flanges are highly ductile and durable. The durability of flanges is one of the most important features of this equipment as it is commonly used for permanent purposes. Flanges is an equipment which is used for creating a permanent joint between two pipe ends in order to transfer liquids, gases and chemicals. Flanges play an important role in plumbing as well as industrial usage.
Stainless steel 317/317L flanges are made of an excellent combination of extraordinary chemicals. The manufacturing of these flanges is done with an excellent combination which includes elements like chromium, nickel and molybdenum. These elements are enriched with amazing qualities and characteristics.
Molybdenum has some confounding properties which helps in improving the stability of the grade. It provides excellent fastness to the grade and improves its resistance.

Stainless Steel F317 Industrial Flanges, SS 317 Nippo Flanges, ANSI B16.5 SS F317 Ring Type Joint Flanges, 150# ANSI SS 317 Flanges Stockholder, SS 317 Screwed Flanges Stockist, SS Grade F317 Forged Flanges Manufacturer in India.
Sumit Impex is the most astonishing manufacturer and supplier of stainless steel 317/317L flanges. These flanges are manufactured using high quality technology and superior raw material. We provide these flanges in various sizes, shapes and dimensions. We thoroughly test and certify these products.
Stainless steel 317/317L flanges are one of the most ideal applications. It is commonly seen in industries where the temperature constantly rises. These flanges are applicable in various industries because of its tensile and yield strength. The minimum tensile strength of these flanges is 75000 PSI whereas the yield strength is 30000 Psi.
Stainless Steel 317/317L 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 317 | 1.4449 | S31700 | SUS 317 | – | – | – | – |
SS 317L | 1.4438 | S31703 | SUS 317L | – | – | – | X2CrNiMo18-15-4 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
SS 317 | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.845 min |
SS 317L | 0.035 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.89 min |
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
317 | 7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
317L | 7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Other Products
SS 317/317L SORF Flanges | SS 317/317L WNRF Flanges |
SS 317/317L Blind Flanges | SS 317/317L Spacer Ring Flanges |
SS 317/317L Ring Type Joint Flanges | SS 317/317L Nipolet Flanges |
SS 317/317L Nipo Flange | SS 317/317L Long weld Neck Flanges |
SS 317/317L Stainless Steel Pipe Flanges | SS 317/317L Nipolet Flanges |
SS 317/317L Flat Flange | SS 317/317L Lap Joint Flanges |
Stainless Steel 317/317L Flanges Price List
- 317 Flanges
US $0.5-1000 / Piece (FOB Price) - SS 309s Pipe Flanges
US $300-500 / Ton (FOB Price) - Stainless Steel 317 Weld Neck Flanges
US $1-900 / Piece (FOB Price) - ASTM A182 317 stainless steel plate flanges
US $0.5-1000 / Piece (FOB Price) - 317s 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












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