Heer Fittings, based in Delhi, India, has made a name for itself as a top-notch manufacturer and supplier of Stainless Steel 317L Pipe Fittings. They serve a variety of industrial sectors with products that are both high-quality and dependable. Renowned for their precision engineering and impressive corrosion resistance, these fittings are crafted to comply with international standards like ASTM and ASME. Heer Fittings boasts an extensive selection that includes elbows, tees, reducers, and stub ends, all designed to meet the rigorous demands of industries such as chemical, marine, and power. With a strong focus on customer satisfaction and strict quality control, Heer Fittings has become a go-to partner for stainless steel piping solutions.
| 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 317L Pipe Fittings stand out due to their higher molybdenum (3–4%) and chromium (18–20%) content compared to standard grades, which provides them with superior resistance to pitting and corrosion. The alloy also features nickel (11–15%) and low carbon content, enhancing weldability and reducing carbide precipitation. On the mechanical side, these fittings offer a tensile strength of about 515 MPa, a yield strength of around 205 MPa, and an elongation of roughly 35%. These characteristics make SS 317L fittings perfect for harsh environments where strong chemicals, acids, and high temperatures are present, ensuring long-lasting strength and structural integrity.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 317L | 0.035 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 | 57.89 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 317L 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 317L 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 317L 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 317L 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 317L | 1.4438 | S31703 | SUS 317L | X2CrNiMo18-15-4 |
Stainless steel 317L pipe fittings offer many advantages, including excellent corrosion resistance, especially in high chloride environments, making them ideal for chemical, marine and petrochemical applications Their low carbon offers weldability is increased and the risk of intergranular corrosion is reduced. They exhibit high tensile strength, excellent ductility, and stress corrosion crack resistance, providing long service life. Resistance to pitting and crevice corrosion provides additional stability in harsh environments. Additionally, the 317L fitting is resistant to high temperatures, providing reliable performance in both hot and cold extremes. These characteristics ensure high reliability and durability.
Yes, custom sizes are available for Stainless Steel 317L 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 |
You’ll find Stainless Steel 317L Pipe Fittings in industries that demand exceptional corrosion resistance and high mechanical performance. They’re commonly used in chemical processing plants, petrochemical refineries, pulp and paper industries, and marine settings. Additionally, these fittings are essential in food processing equipment and pharmaceutical systems, where hygiene and durability are paramount. Their outstanding resistance to sulfurous compounds, chlorides, and acidic media makes them ideal for both high-temperature and high-pressure applications. SS 317L fittings promise a long service life and require minimal maintenance, even in aggressive operational conditions.
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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