Home > Forged Fittings > Stainless Steel 317/317L Forged Fittings
Ranya Stainless, a trusted manufacturer and supplier based in Muscat, Oman, provides high-quality stainless steel solutions engineered for durability and reliability. Among its premium offerings, Stainless Steel 317/317L Forged Fittings are recognized for their exceptional corrosion resistance, robustness, and long-term performance in challenging industrial conditions. Manufactured using precise forging techniques, these fittings ensure accurate dimensions, leak-proof connections, and structural integrity. Ranya Stainless emphasizes quality, consistency, and customer satisfaction, making it a preferred partner for industries requiring reliable piping components that withstand aggressive chemical environments, high-pressure systems, and elevated-temperature operations while maintaining long-lasting functionality.
Stainless Steel 317/317L Forged Fittings are austenitic stainless steels containing 18–20% chromium, 11–13% nickel, and 3–4% molybdenum, with 317L having lower carbon content for improved weldability. The added molybdenum enhances resistance to pitting, crevice corrosion, and harsh chemical attack. Mechanically, these fittings offer strong tensile and yield strength, good elongation, and excellent toughness. They maintain structural integrity under high pressure and corrosive environments, making them suitable for critical applications where durability, leak-proof performance, and resistance to chemical or thermal stress are essential.
Specifications ASTM A182 & ASME SA182
Standard ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Size 1/8” NB to 4” NB (Socketweld & Screwed-Threaded)
Class 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Type Socketweld Fittings, Screwed-Threaded Fittings
Forged Fittings Items 45 Deg Elbow, 90 Deg Elbow, Forged Tee, Union, Full Coupling, Half Coupling, Cross, Cap, Swage Nipple, Plug, Bush, Welding Boss, Hexagonal Nipple etc.
Type Socketweld Fittings, Screwed-Threaded Fittings
Grade 317 / 317L UNS (S31700, S31703), DIN (1.4449, 1.4438)
| 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 |
| 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 % |
Contact us to get a quick quote for your requirement.
We ensures that all stainless steel 317/317L forged fittings go through rigorous testing procedures, including dimensional testing, mechanical testing and corrosion resistance testing. The products are certified to meet international quality standards, including ASTM, ASME, and EN specifications, providing customers with guaranteed reliability and performance for a range of industrial applications
Stainless Steel 317 Socket Weld Fittings are renowned for their excellent corrosion resistance and are commonly used in high-pressure applications. They are available in sizes ranging from 1/8″ to 4″ and are manufactured to meet ASTM standards, ensuring strong, leak-proof connections.
Offering high corrosion resistance, these fittings are designed for easy installation in various piping systems. Common sizes range from 1/8″ to 6″ NPT, providing versatility and robustness in handling fluids and gases.
With superior corrosion resistance, this elbow allows for smooth directional changes in piping systems. It is available in sizes from 1/2″ to 4″ and is designed to meet ASTM specifications for high strength and durability.
This fitting combines high corrosion resistance with structural integrity, ideal for branching pipes at a 90-degree angle. Available in sizes from 1/8″ to 6″ NPT, it ensures reliable and secure connections.
Known for its excellent corrosion resistance, this half coupling connects two threaded pipes or fittings. Common sizes include 1/4″ to 4″ NPT, providing a strong and durable link.
This cross-fitting offers exceptional corrosion resistance, enabling the intersection of four pipes. Sizes typically range from 1/2″ to 4″, adhering to ASTM standards for robustness and reliability in high-pressure applications.
Stainless Steel 317/317L Forged Fittings are widely used in industries that require high corrosion resistance and reliable mechanical performance. They are ideal for chemical and petrochemical plants, handling acids, chlorides, and aggressive fluids. Marine and offshore systems benefit from their resistance to saltwater and corrosive atmospheres. These fittings are also used in pharmaceuticals, food processing, paper and pulp, and wastewater treatment systems where hygiene, corrosion resistance, and durability are critical. With excellent strength and stability, 317/317L forged fittings provide long-lasting, leak-proof performance in high-pressure, high-temperature, and chemically aggressive industrial environments.
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