ASTM A403 317L Stainless Steel Pipe Fittings

Sizes: 1/2" to 48" (Seamless & Welded)

Schedule: Sch 5S to Sch 160, XXS

Standard: ASTM A403, ASME SA403 (WP-S/WP-W)

Grade: 317L (Low Carbon: 0.03% Max)

Connection: Butt Weld, Socket Weld, Threaded

Primary Benefit: Maximum Pitting Resistance + Weld Integrity

Available Types: Elbows, Tees, Reducers, Caps, Stubs

Origin: Global & Local Stock: Immediate Delivery

goldenislands.com.sa

Golden Steel Material is a premier ASTM A403 WP317L Stainless Steel Pipe Fittings Supplier in Saudi Arabia, engineered for the most demanding fluid handling applications where standard marine-grade stainless steels have reached their performance limits. Grade 317L (Low Carbon) is a molybdenum-bearing austenitic stainless steel that offers superior resistance to chemical attack and localized corrosion. By increasing the Molybdenum content to 3%–4%, this material provides an unmatched level of protection against pitting and crevice corrosion, making it the essential choice for pulp and paper production, flue gas desulfurization (FGD) systems, and heavy-duty chemical processing environments where chloride levels are exceptionally high.

As a specialized WP317L pipe fittings stockist, we deliver components manufactured strictly to ASTM A403 and ASME SA403 specifications. The "WP" designation confirms that these are wrought products, meeting the rigorous pressure-containing requirements of ASME B16.9 and B16.11 standards. The "L" (Low Carbon) designation, with carbon restricted to ≤ 0.03%, is critical for your project; it prevents carbide precipitation during field welding, ensuring the structural integrity of every joint. This allows for efficient field fabrication and long-term service without the need for complex, costly post-weld heat treatments, even in complex manifold and piping header systems.

We operate as a trusted 317L stainless steel pipe fittings exporter in Saudi Arabia, serving the critical infrastructure and petrochemical sectors in Jubail, Yanbu, and Dammam. Every fitting is supplied with MTC EN 10204 3.1 certification, guaranteeing full material traceability and regulatory compliance. Our quality assurance protocol includes mandatory PMI (Positive Material Identification) and precision dimensional validation to ensure that every component integrates seamlessly into your high-pressure lines. When your process media contains high concentrations of chlorides or harsh acids, our 317L fittings provide the ultimate metallurgical safeguard to prevent costly premature equipment failure and optimize system uptime.

Types of ASTM A403 317L Stainless Steel Pipe Fittings

Stainless Steel 317L Elbow

Stainless Steel 317L Tee

Stainless Steel 317L Cross

Stainless Steel 317L Reducer

Stainless Steel 317L End Cap

Stainless Steel 317L Stub End

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