ASTM A403 WP317 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: 317 / 317L (3-4% Molybdenum)

Connection: Butt Weld, Socket Weld, Threaded

Primary Benefit: Superior Resistance to Pitting & Acid

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

Origin: Global & Local Stock: Immediate Delivery

goldenislands.com.sa

Golden Steel Material is a premier ASTM A403 WP317/317L Stainless Steel Pipe Fittings Supplier in Saudi Arabia, engineered for the most demanding fluid handling applications where standard marine-grade stainless steels may reach their limits. Grade 317/317L is a molybdenum-bearing austenitic stainless steel that offers superior resistance to chemical attack compared to conventional 316-series alloys. 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 aggressive chemical processing environments.

As a specialized WP317/317L pipe fittings stockist, we deliver components manufactured strictly to ASTM A403 and ASME SA403 specifications. The "WP" designation certifies that these fittings are wrought products, meeting the rigorous pressure-containing requirements of ASME B16.9 and B16.11 standards. Whether your project requires 317 (Standard) or 317L (Low Carbon) for maximum weld-zone integrity, our inventory ensures you receive components that maintain structural stability during field installation and in long-term continuous service. The low-carbon chemistry of the 317L variant is particularly critical for avoiding sensitization in large-scale piping headers and welded manifold systems.

We serve as a trusted 317/317L stainless steel pipe fittings exporter in Saudi Arabia, supplying 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 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 317/317L fittings provide the ultimate metallurgical safeguard to prevent costly premature equipment failure.

Types of ASTM A403 WP317 Stainless Steel Pipe Fittings

Stainless Steel 317 Elbow

Stainless Steel 317 Tee

Stainless Steel 317 Cross

Stainless Steel 317 Reducer

Stainless Steel 317 End Cap

Stainless Steel 317 Stub End

Industrial Locations & Keywords