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Precision Multi-Lobed Profile Steel Tubing
Precision Multi-Lobed Profile Steel Tubing
Precision Multi-Lobed Profile Steel Tubing
Precision Multi-Lobed Profile Steel Tubing
Custom Multi-lobed profile steel tubing for high-torque & structural applications. Our non-standard splined pipes offer superior precision, durability & bespoke sizes.
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Product Overview

Our custom-shaped tubes feature a sophisticated Multi-lobed (Plum-blossom) Cross-section, engineered for applications that require more than just a standard circular profile. This Fluted design provides a unique interlocking capability and enhanced mechanical properties.

  • Internal & External Splined Structure: The precision-formed ridges act as integrated longitudinal ribs, significantly increasing the tube's torsional rigidity and bending strength.

  • Optimized Surface-to-Volume Ratio: The Serrated profile increases the surface area, making it an excellent choice for heat exchange components or high-grip structural poles.

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Key Features & Advantages

  • Advanced Cold-Forming Technology: Achieves tight tolerances and complex cross-sections that traditional milling or machining cannot replicate efficiently.

  • Enhanced Structural Strength: The fluted/ribbed design increases the surface area and longitudinal rigidity, making it more durable and resistant to bending.

  • Seamless Integration: Perfect for telescoping systems, keyed shafts, or aesthetic architectural elements.

  • Tailored to Specifications: We specialize in non-standard customization, allowing you to define wall thickness, diameter, and the number of profile ridges.

Technical Specifications Table

Technical ParameterRange / Capability
Product TypeNon-standard Custom Profile Steel Pipe
Cross-Sectional ShapeMulti-lobed, Fluted, Splined, or Flower-shaped
Material GradesQ235, Q355, 1020, 1045, 4130, or Stainless Steel Series
Outer Diameter (OD)Customizable from 10mm to 300mm
Wall Thickness1.0mm - 15mm (Precision Controlled)
Surface FinishAnnealed, Bright Finished, Shot Blasted, or Anti-corrosion Coated

Application :

Our custom profile metal tubes are engineered to serve as core components in:

  1. Industrial Machinery: High-torque drive shafts, guide rails, and specialized hydraulic cylinders.

  2. Automotive & Racing: Lightweight chassis reinforcements, steering columns, and high-performance motorcycle parts.

  3. Modern Agriculture: Heavy-duty frames for irrigation systems and structural supports for greenhouse facilities.

  4. Architectural Engineering: Decorative load-bearing columns and bespoke curtain wall supports.

  5. Energy Sector: Internal structural tubes for solar tracking systems and wind turbine components.

Why Partner With Us?

One Pipe, Multiple Uses: Our Craftsmanshipapproach ensures that each tube isn't just a component—it's a precision-engineered tool. We provide end-to-end customization from initial blueprint analysis to the final surface treatment.

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Address: No. 75 Xinda Road, Fenshui, Zhoutie Town, Yixing City, Jiangsu, ChinaTelephone: +86 13382221368Email: jianfanjiang9@gmail.com
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We are a professional steel tube manufacturer with over 30 years of experience, specializing in precision steel tubes, seamless steel tubes, PTO drive shaft tubes, and profiled steel tubes. With advanced production facilities and strict quality control, we provide reliable and customized tube solutions for industries including agriculture, automotive, and machinery.

Committed to quality, innovation, and customer satisfaction, we serve clients worldwide and strive to be a trusted global partner in steel tube manufacturing.

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