Kalefu Stainless Steel Pipe

Kalefu Stainless Steel Pipe Kalefu was founded in 2011. The company mainly deals in various pipe, flange and valve fittings, etc.

24/04/2026

84 x 5mm Stainless Steel Pipe Elbow

23/04/2026

This machine cuts stainless steel tubes with laser precision! See how it works
Precision matters. This is our laser cutting machine in action—±0.1mm accuracy on every cut. We use advanced German tech and Japanese welding robots to ensure consistent quality across all orders. For bulk tube and pipe projects, precision is key. DM for bulk wholesale pricing or check our website for full specs!

22/04/2026

Behind the scenes at our stainless steel tube factory! Over 50 production lines running 24/7
Curious how stainless steel tubes are made? This is our factory—50+ production lines, 24/7 operations, 200+ skilled workers, and 3 world-class testing labs. We produce 15,000+ tons of stainless steel tubes annually. From raw coils to finished pipes, every step is quality-controlled. Contractors and wholesalers, contact us for bulk orders!

21/04/2026

DN20 Stainless Steel Tee Fitting, for Fluid Diversion

20/04/2026

Factory price. No middlemen. Stainless steel pipes direct to you. 👇
Factory direct stainless steel pipes. No middlemen, no markups. 304, 316L, 409L. Round, square, rectangular. 6mm to 219mm OD. Huge stock ready to ship worldwide. DM for best price! 🏭

18/04/2026

409 stainless steel is a material commonly used in the manufacture of automotive exhaust pipes, highly favored for its exceptional corrosion resistance and high-temperature durability. This stainless steel alloy features a high chromium content, enabling it to effectively withstand the corrosive effects of moisture and acidic substances present within exhaust systems, while simultaneously maintaining stable physical properties in high-temperature environments. Compared to other grades of stainless steel, 409 stainless steel offers superior cost-effectiveness; it not only meets the performance requirements
of automotive exhaust systems but also helps reduce manufacturing costs. Furthermore, it exhibits excellent machinability, facilitating easy fabrication and welding into exhaust pipes of various complex shapes. Thanks to these advantages, 409 stainless steel is widely utilized throughout the automotive industry-particularly in the exhaust systems of passenger cars and commercial vehicles-where it effectively extends the service life of exhaust pipes and enhances overall vehicle performance.

17/04/2026

Step inside our direct-source stainless steel pipe factory and witness the birth of high-quality tubing! 🔥 From 1200°C piercing to cold drawing and heat treatment, the entire production process is handled in-house. Every single pipe undergoes eddy current flaw detection and hydrostatic testing, ensuring rigorous quality control. We offer immediate stock availability across a wide range of specifications—including 304, 316L, and 409L—and welcome custom orders. As a direct manufacturer, we guarantee fast delivery. Contact us today for a quote! 📩

16/04/2026

Stainless Steel Tube Bending and Forming: Production Process

15/04/2026

409L Motorcycle Exhaust Pipes — In Stock and Direct from the Manufacturer!
Precision-bent and formed with exact angle accuracy. Our warehouse maintains ample stock of finished products in three specifications: 50mm, 45mm, and 40mm. Crafted from 409L stainless steel, these pipes offer exceptional high-temperature resistance and oxidation resistance—specifically engineered for exhaust systems. Designed for a perfect vehicle fit and smooth exhaust flow. As a direct factory supplier, we guarantee consistent quality and rapid delivery. We welcome custom orders based on your provided drawings!

14/04/2026

Stainless Steel Welded Pipe Manufacturing Process

Stainless steel welded pipes are produced through a precise and highly efficient process designed to ensure their strength, durability, and surface finish.

The entire process begins with stainless steel coils (covering grades such as 201, 304, and 316). These coils first undergo uncoiling, leveling, and slitting operations to be cut into narrow strips. Subsequently, these steel strips pass through a series of rolling mills, undergoing gradual forming to be shaped into a round tubular profile.

The next step is the critical stage: welding. We employ advanced TIG or High-Frequency (HF) welding technologies to create robust and uniform weld seams. Once welded, both the internal and external weld seams undergo specialized treatment to ensure a smooth and flat surface finish—a feature particularly vital for fluid conveyance applications.

Subsequently, the welded pipes undergo sizing and straightening processes to meet strict dimensional tolerance requirements. This is followed by heat treatment (solution annealing), aimed at relieving internal stresses and restoring the material's corrosion resistance properties.

The final stages involve surface finishing (such as pickling or polishing) and comprehensive quality inspection—including eddy current testing and hydrostatic testing. At this point, the welded pipes are cut to length, packaged, and made ready for shipment.

✔ High-Precision Manufacturing
✔ Superior Weld Integrity
✔ Wide Range of Industrial Applications

13/04/2026

45×45mm stainless steel square tubing offers a wide range of applications: it serves as structural support for architectural handrails, door and window frames, guardrails, and similar structures; it is used to fabricate industrial equipment racks and fluid-conveying pipelines; and it is utilized in crafting modern furniture, shelving units, and decorative screens. It also finds application in vehicle components, medical carts, and food processing machinery. Varying wall thicknesses allow for suitability in both lightweight decorative projects and load-bearing structural applications; available in 201 (economical), 304 (general-purpose), and 316 (corrosion-resistant) grades, it meets the diverse requirements of indoor, outdoor, and harsh environmental settings.

13/04/2026

stainless steel weld pipe process.

Address

17th Floor, Jinhai Creative Center, Lecong Town, Shunde District, Foshan City
Foshan
528000

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