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Best-selling Brand Comparison Table
Main Export Product Types (by Connection Method)
1. Welded Pipe Fittings (ASME B16.9 / GB/T 12459, mainstream industrial standard)
Elbows: 45°/90° long radius (LR)/short radius (SR), 180° elbows
Tees/Crosses: equal diameter/reducing tees, crosses
Reducers: concentric/eccentric reducers
Caps/Ends: flat bottom/elliptical end caps
Branch Subsidiaries: welded pipe subsidiaries (Weldolets)
2. Socket/Threaded Pipe Fittings (ASME B16.11 / GB/T 14383, small diameter high pressure)
Socket elbows, tees, crosses, caps, unions, branch subsidiaries (Sockolet)
Threaded Pipe Fittings (NPT/BSPT): elbows, tees, clamps, plugs
3. Flanges (ASME B16.5 / EN) 1092-1 (Core Pipe Connections)
Plate flat welding, necked butt welding, socket welding, threaded, blind flange, loose flange
Pressure rating: Class 150/300/600/900/1500/2500; PN 10/16/25/40/64/100
4. Sanitary Fittings (ASTM A270 / DIN 11850, Food and Pharmaceutical)
Quick-fit elbows, tees, reducers, clamps, unions, sanitary flanges
Surface finish: Ra≤0.8μm, internal and external polishing, sterile grade
5. Other Common Fittings
Flanges, fittings, compensators, filters, sight glasses, quick couplings
Main sizes and pressure (standard for export)
1. Nominal size (DN)
Butt-weld: DN15 - DN1200 (1/2" - 48")
Socket/joining / Threaded: DN15 - DN100 (1/2" - 4")
Flange: DN15 - DN2000 (1/2" - 80")
2. Pressure rating
Butt-weld: Class 150/300/600/900; PN 10/16/25/40/64
Threaded connection: Class 2000/3000/6000/9000
Flange: Class 150 - 2500; PN 6 - PN 40
Common surface finishes for stainless steel pipe fittings:
AP Pickled & Annealed for industrial high pressure & corrosion service;
Sand Blasted for marine & anti-glare parts;
No.4 / 8K Polished & EP Electrolytic Polishing for sanitary food, pharmaceutical & ultra-clean applications.
Payment Methods
Flexible payment terms available: T/T and L/C. For new clients, 30% advance payment for production, balance against copy of B/L. L/C is acceptable for large & regular orders to secure both parties.
Warehousing Management
Before each batch of steel leaves the factory, a complete process inspection is strictly carried out. From chemical composition, mechanical properties to dimensional tolerance and surface quality, each item is carefully checked to ensure compliance with national standards and export regulations. At the same time, the quantity, packaging and rust prevention treatment are also verified. An original factory warranty certificate is attached, guaranteeing the quality. Before shipment, inspection photos are provided. Any non-compliant items will not be released, and the quality is fully controllable throughout the process. This ensures your overseas purchasing is safe and worry-free.
All items are visually inspected before delivery. No cracks, deformation, rust, scratches or cutting marks are allowed; edges must be smooth. Only visually sound products will be shipped.
Thickness, width, length, wall thickness, outer diameter have been measured. Straightness, curvature, torsion, diagonal tolerance all meet the corresponding tolerance requirements.
Quality inspection includes: mechanical property tests (yield strength, tensile strength), elongation rate, impact energy, hardness testing, chemical composition testing, process performance testing, etc.
Inspection according to packaging requirements: secure binding, moisture-proof film, rust-proof paper, export fumigation/fumigation-free wooden crates, shipping marks, gross weight, net weight, etc.
We will provide full reception services to support the customers' on-site inspection of the goods.
Warehousing Management
A ten-thousand-ton standardized warehouse with grid-based zoning and system positioning enables rapid material retrieval and reduces the time spent searching for materials.
Inbound inspection: Verify the physical items against the inbound form, inspect the appearance, dimensions, and labels. Once confirmed to be correct, the materials are entered into the ERP system and processed for storage.
Logistics and Global Delivery: Self-operated fleet + contracted logistics partners; expedited service available for urgent orders.
International Shipping: Supports FOB, CIF, DDP, and other trade terms, covering 100+ countries and regions.
Process: Booking → Trucking → Customs Declaration → Loading onto Ship/Aircraft → Bill of Lading Issuance → Document Delivery → Destination Port Customs Clearance (Optional) → Last-Mile Delivery.
Provides door-to-door one-stop logistics with full tracking to ensure safe and timely arrival of goods.
After-Sales Service and Traceability: Delivery receipts, logistics information, and quality inspection documents are sent to customers within 24 hours of shipment.
Established a full product lifecycle traceability system, allowing tracking of production, quality inspection, warehousing, and transportation records.
Follow-up inspection within 72 hours of arrival; rapid response and handling of quality issues; assistance in resolving customs clearance issues for foreign trade orders.
Packaging Method
Fumigation-free plywood boxes
Steel strapping/bottom pallet
Vacuum/VCI Rust-Proof Paper
Steel plate frame reinforcement
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