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ASTM A403 WP321 Stainless Steel Equal Cross Butt Weld Pipe Fitting ASME B16.9
| MOQ: | 1pc |
| Price: | Above 2usd/kg |
| Standard Packaging: | Plywood case/pallet |
| Delivery Period: | 3 weeks/container |
| Payment Method: | L/C,D/A,D/P,T/T |
| Supply Capacity: | 100 ton/month |
WP321 stainless steel equal cross
,ASTM A403 butt weld pipe fitting
,ASME B16.9 stainless steel cross
The ASTM A403 WP321 Stainless Steel Equal Cross is a butt-weld pipe fitting manufactured to ASME B16.9 and ASTM A403 standards. Grade WP321 (UNS S32100) is a titanium-stabilized austenitic stainless steel engineered for high-temperature and corrosive service, making this cross a dependable choice for industrial piping distribution systems operating under medium-to-high temperature conditions.
Founded in 2006, SMLSCO is a professional stocking distributor and supply chain partner for stainless steel piping systems. We maintain a constant inventory of over 3,000 tons across four core product categories: seamless pipes, flanges, butt-weld fittings, and forged fittings. Our butt-weld fitting production lines are fully certified under PED, ISO 9001, AD2000, and NORSOK M-650 standards. Raw materials are sourced from top-tier manufacturers such as Tsingshan, and a rigorous three-stage quality inspection process — including 100% final inspection before shipment — is enforced on every order. SMLSCO is dedicated to providing global distributors with stable, traceable, and cost-effective products.
- Extensive In-Stock Inventory for Rapid Fulfillment: A 10,000 m² warehouse and a standing stock of 200 tons of butt-weld fittings — including ample quantities of standard-specification WP321 equal crosses — position us to meet the immediate consolidated shipment (LCL) needs of overseas distributors.
- Rapid Delivery and Agile Response: Orders for standard-sized items can be dispatched in as little as three weeks. True to our slogan, "Steel in Stock. Delivered on the Dot," our sales team responds to all procurement inquiries within 15 hours.
- Top-Tier International Certifications: Our production lines hold PED, ISO, AD2000, and NORSOK M-650 certifications, ensuring compliance with the stringent market-access requirements of major global industrial sectors.
- Cost Advantages Through Direct Sourcing: By procuring large volumes of stainless steel seamless pipes and steel ingots directly from major manufacturers like Tsingshan, we significantly reduce unit production costs and offer highly competitive pricing to wholesalers.
| Product Name | Stainless Steel Equal Cross (Butt Weld Fitting) |
|---|---|
| Design Standard | ASME B16.9 / ASTM A403 / EN10253-4 |
| Material Specification | ASTM / ASME SA/A403 Grade WP321 (UNS S32100) |
| Size Range | OD ≤ 80" |
| Wall Thickness | ≤ Sch XXS |
| Connection End | Butt-Weld Beveled Ends (ASME B16.25) |
| System Certification | PED 2014/68/EU, ISO 9001, AD2000, NORSOK M-650 |
| Testing & Inspection | PMI, 100% RT (Welded Types), Hydrostatic, Visual & Dimensional Check |
For our 321 titanium-stabilized stainless steel crosses designed for applications with rigorous pressure requirements, SMLSCO implements a comprehensive, multi-layered testing protocol. For both raw materials and finished products, we conduct 100% verification of core elements — such as titanium (Ti), chromium (Cr), and nickel (Ni) — using portable spectral analysis (PMI). Welded pipe fittings undergo 100% radiographic testing (RT) to detect internal slag inclusions or porosity. Our quality inspection team utilizes high-precision ultrasonic thickness gauges and calipers to verify dimensions, ensuring all geometric tolerances meet both industry standards and specific customer requirements. SMLSCO maintains photographic records for every batch tested, and an EN 10204 3.1 certificate is provided with every shipment.
ASTM A403 WP321 is an austenitic stainless steel grade used for butt-weld pipe fittings, stabilized with titanium (Ti). The addition of titanium effectively inhibits the precipitation of chromium carbides during high-temperature welding, significantly reducing the risk of intergranular corrosion. These fittings offer excellent oxidation resistance at high temperatures as well as superior creep strength. They maintain exceptional mechanical stability even under high-temperature, high-pressure cyclic conditions or in environments involving corrosive fluids, making them a reliable choice for industrial piping distribution systems operating at medium-to-high temperatures.
For less-than-container load (LCL) shipments, pipe fittings are packed in plywood crates, with individual items wrapped in plastic bags or sealed in plastic film. For full-container load (FCL) shipments, fittings 12 inches and smaller are packed in plywood crates with internal protective wrapping, while fittings larger than 12 inches are secured on pallets and wrapped in plastic stretch film.
With a standing inventory of 200 tons of pipe fittings, we can ship orders for standard specifications in as little as 3 weeks.
We offer a wide range of fittings, including elbows, bends, tees (equal and reducing), reducers (concentric and eccentric), crosses, caps, stub ends, and more.
- Material GradeASTM / ASME SA/A403 Grade WP321 (UNS S32100)
- Design StandardASME B16.9 / ASTM A403 / EN10253-4
- Fitting TypeEqual Cross
- CertificationPED, ISO 9001, AD2000, NORSOK M-650 Certified
- Delivery Support3 Weeks Delivery for Regular Sizes
- Minimum Order Quantity1 pc
- PriceAbove 2 USD/kg
- Supply Capacity100 ton/month
- Lead Time3 weeks/container
- Standard PackagingPlywood case/pallet
Brand: SMLSCO
Certifications: PED 2014/68/EU, ISO 9001, AD2000, NORSOK M-650
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