Grant Fittings, located in Manila, Philippines, stands out as a top manufacturer and supplier of high-quality Stainless Steel 317L Pipe Fittings. Known for their exceptional corrosion resistance, strength, and durability, these fittings are crafted to perform reliably in tough industrial settings where conditions can be quite harsh. Grant Fittings takes pride in ensuring that every Stainless Steel 317L pipe fitting adheres to rigorous international standards, providing outstanding protection against pitting, crevice corrosion, and chemical damage. These fittings are commonly found in industries such as chemical processing, marine, pharmaceuticals, and petrochemicals, where they create leak-proof, long-lasting connections that enhance operational efficiency, safety, and longevity in critical piping systems.
| 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 |
The composition of Stainless Steel 317L Pipe Fittings includes iron, with 18–20% chromium, 11–15% nickel, 3–4% molybdenum, and a low carbon content, along with trace amounts of manganese, silicon, and phosphorus. These fittings boast impressive mechanical properties, featuring a tensile strength of 515–690 MPa, a yield strength of 205 MPa, and an elongation of 40%. The low carbon content not only improves weldability but also enhances resistance to sensitization, while the molybdenum content boosts resistance to pitting and crevice corrosion, making these fittings perfect for aggressive chemical and marine environments.
| 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 % |
Grant Fittings one of the largest suppliers of Stainless Steel 317L Pipe Fittings in Manila, Philippines. 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 Philippines.
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 Grant 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@grantfittings.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 317L Pipe Fittings are extensively utilized in sectors that demand superior corrosion resistance and high performance. Common applications include chemical and petrochemical processing, pulp and paper production, marine environments, pharmaceutical manufacturing, food processing, and pollution control systems. Their ability to withstand chloride-induced corrosion and aggressive media ensures dependable, leak-proof connections even in the most challenging service conditions. These fittings offer long-lasting durability, lower maintenance needs, and improved safety, making them the go-to choice for critical piping systems operating in corrosive and high-pressure environments.
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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