The W4 custom stainless steel flange weldment combines precision CNC machining with expert TIG welding. Featuring a robust machined base with threaded mounting holes and a seamlessly welded central cylinder, this component offers exceptional structural integrity and corrosion resistance for demanding fluid handling or heavy-duty mounting applications.
재료 :
304 / 316L Stainless Steel (Carbon Steel available)표면 처리 :
Natural Machined Finish, Sandblasting, Passivation, Electropolishing관련 프로세스 :
CNC Milling, CNC Turning, Drilling/Tapping, Precision TIG WeldingCustom Machined Stainless Steel Flange Weldment (W4)
Precision CNC Machining • Expert TIG Welding • Leak-Proof

Product Overview
Precision CNC Machining: We utilize advanced CNC milling and turning centers to craft the heavy-duty flange base and cut precise threaded mounting holes strictly according to your 3D models, ensuring perfect mechanical alignment.
Expert TIG Welding Integration: The central cylindrical boss is joined to the base plate using high-precision TIG welding. This produces a flawless "stack of dimes" weld seam that guarantees exceptional structural strength and zero leakage.
Assembly-Ready Delivery: Parts arrive fully deburred, precisely threaded, and rigorously inspected. We provide ready-to-use structural components that seamlessly integrate into your complex mechanical or piping systems.

Product Specifications
| Specification | Details |
| Material | 304 / 316L Stainless Steel (Carbon Steel available) |
| Fabrication Processes | CNC Milling, CNC Turning, Drilling/Tapping, Precision TIG Welding |
| Surface Treatment | Natural Machined Finish, Sandblasting, Passivation, Electropolishing |
| Tolerance | ISO 2768-m (CNC machined features up to +/- 0.05mm) |
| Thread Standards | Metric (M-series), UNC/UNF (Customizable based on design) |
What Can Be Customized
| Customization Aspects | Specific Parameters & Capabilities |
| Geometry & Dimensions | Custom triangular, square, or circular flange base shapes with specific material thicknesses |
| Thread Sizes & Pitch | Custom tapped mounting holes tailored to your specific mating hardware and torque requirements |
| Welding Specifications | Specific weld penetration depths and post-weld treatments (e.g., natural seam or grinding flush) |
Application Industries

Why Partner with Huapusheng?
✔ Factory-Direct Value Leveraging our 30,000m² facility in Xiamen and automated robotic lines, we eliminate middlemen to offer competitive pricing without compromising quality.
✔ Certified Reliability We adhere to ISO 9001 & IATF 16949 standards. Every component is validated using IPX5-6 labs and 3D Scanners to meet strict industrial specifications.
✔ DFM & Engineering Support Beyond fabrication, our engineers provide DFM analysis to optimize your 3D files, reducing material waste and simplifying assembly for mass production.
✔ Scalable Capacity From 50 prototypes to 50,000 units, our fleet of 12KW lasers and 4 bending robots ensures rapid ramp-up and on-time delivery.
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