Heer Fittings is a reliable producer and distributor of Stainless Steel 317 Pipe Fittings in Delhi, India. We deal in offering high-performance SS 317 fittings, which are molybdenum-bearing austenitic stainless steel with outstanding corrosion resistance. These fittings are most suitable for application in aggressive chemical environments, particularly involving sulfurous compounds, chlorides, and other severe media. Heer Fittings provides a wide variety of SS 317 fittings that are manufactured with precision and meeting international standards. Our SS 317 Pipe Fittings are commonly applied in chemical process, pharmaceutical, petrochemical, and pulp and paper manufacturing industries in India as well as overseas.
| Specifications | ASTM A403 / ASME SA403 |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Size Range | 15 NB UP TO 1200 NB ; 1/8″ NB TO 48″ NB |
| Schedule | SCH 5S , 10S ,10, 20 , 40S , 40 , STD , 60 , 80S , 80 , XS , 100 , 120 , 140 , 160 & XXS. |
| Type | Seamless & 100% X-Ray Welded, Fabricated |
Stainless Steel 317 Pipe Fittings consist of chromium (18–20%), nickel (11–15%), molybdenum (3–4%), and trace amounts of carbon, manganese, silicon, phosphorus, sulfur, and iron. The higher molybdenum content increases pitting and crevice corrosion resistance. Mechanically, SS 317 has a tensile strength of around 515 MPa, yield strength of 205 MPa, and elongation of around 35%. The alloy balances strength with superior corrosion resistance and good formability. It functions well under conditions with aggressive chemicals and high temperatures and is thus suitable for demanding industrial applications that need durability and chemical resistance.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 317 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.845 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Heer Fittings one of the largest suppliers of Stainless Steel 317 Pipe Fittings in Delhi, India. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Stainless Steel 317 is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Stainless Steel 317 Pipe Fittings in the India.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 317 Pipe Fittings from Heer Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 317 | 1.4449 | S31700 | SUS 317 | – |
Yes, custom sizes are available for Stainless Steel 317 Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@heerfittings.com.
| Nominal Pipe Size | Straight Crosses | Straight Tees | Caps | Stub Ends | ||
|---|---|---|---|---|---|---|
| (inches) | Center to End (inches) | Center to End (inches) | Length (inches) | Long Length (inches) | Lap Diameter (inches) | Short Length (inches) |
| 1/2 | – | 1 | 1 | 3 | 1 3/8 | 2 |
| 1 1/2 | 2 1/4 | 2 1/4 | 1 1/2 | 4 | 2 7/8 | |
| 1 | 1 1/2 | 1 1/2 | 1 1/2 | 2 | ||
| 2 1/2 | 3 | 3 | 1 1/2 | 6 | 4 1/8 | 2 1/2 |
| 3 | 3 3/8 | 3 3/8 | 2 | 5 | ||
| 2 | 2 1/2 | 2 1/2 | 1 1/2 | 3 5/8 | ||
| 4 | 4 1/8 | 4 1/8 | 2 1/2 | 6 3/16 | 3 | |
| 5 | 4 7/8 | 4 7/8 | 3 | 8 | 7 5/16 | |
| 8 | 7 | 7 | 4 | 10 5/8 | 4 | |
| 10 | 8 1/2 | 8 1/2 | 5 | 10 | 12 3/4 | 5 |
| 12 | 10 | 10 | 6 | 15 | 6 | |
| NPS (Normal Pipe Size) | OD(Outside Daimeter) | 180 Deg Return Elbow | 90 Deg Elbow Fittings | 45 Deg Elbow Fittings | ||||
|---|---|---|---|---|---|---|---|---|
| (inch) | Long Radius Elbow | Long Radius Elbow | Short Radius | Long Radius Elbow | ||||
| mm | inch | Back to face (Inch) | Center to Center (Inch) | Center to Face (Inch) | Center to Face (Inch) | Center to Face (Inch) | Radius (Inch) | |
| 12 | 323.9 | 12.750 | 24 3/8 | 36 | 18 | 12 | 7 1/2 | 18 |
| 3 | 88.9 | 3.500 | 6 1/4 | 9 | 4 1/2 | 3 | 2 | 6 |
| 1/2 | 21.3 | 0.840 | 1 7/8 | 2 | 1 1/2 | – | 5/8 | |
| 10 | 273.1 | 10.750 | 20 3/8 | 30 | 15 | 10 | 6 1/4 | 15 |
| 1 1/4 | 42.2 | 1.660 | 2 3/4 | 3 3/4 | 1 7/8 | 1 1/4 | 1 | |
| 1 | 33.4 | 1.315 | 2 3/16 | 3 | 1 1/2 | 1 | 7/8 | |
| 8 | 219.1 | 8.625 | 16 5/16 | 24 | 12 | 8 | 5 | 12 |
| 1 1/2 | 48.3 | 1.900 | 3 1/4 | 4 1/2 | 2 1/4 | 1 1/2 | 1 1/8 | 3 |
| 6 | 168.3 | 6.625 | 12 5/16 | 18 | 9 | 6 | 3 3/4 | 12 |
| 2 1/2 | 73.0 | 2.875 | 5 3/16 | 7 1/2 | 3 3/4 | 2 1/2 | 1 3/4 | 5 |
| 4 | 114.3 | 4.500 | 8 1/4 | 12 | 6 | 4 | 2 1/2 | 8 |
| 2 | 60.3 | 2.375 | 4 3/16 | 6 | 3 | 2 | 1 3/8 | 4 |
| 5 | 141.3 | 5.563 | 10 5/16 | 15 | 7 1/2 | 5 | 3 1/8 | 10 |
| 3 1/2 | 101.6 | 4.000 | 7 1/4 | 10 1/2 | 5 1/4 | 3 1/2 | 2 1/4 | 7 |
Stainless Steel 317 Pipe Fittings are widely applied where aggressive and corrosive substances are handled. Chemical processing, production of pulp and paper, textile dyeing, and petrochemical facilities are some of the specific areas where they are best suited. Stainless Steel 317 Pipe Fittings have high resistance to chloride pitting and acidic corrosion, so they are best adapted for systems handling sulfuric, acetic, and citric acids. They are durable against saltwater corrosion in marine environments. SS 317 fittings find applications in heat exchangers, evaporators, tanks, and piping systems where high strength and corrosion resistance are vital. Their integrity under elevated temperatures and chemical exposure makes them a top choice in high-stakes operations.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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