BENKOO METAL's seamless tube portfolio for mechanical and structural applications is designed to meet the rigorous demands of modern industry. While both types share a foundation of excellent metallurgical consistency and process reliability, they are optimized for distinct primary functions.
1. Product Range & Key Specifications
The following table outlines the primary focus, standards, and characteristics of our two main product lines.
Aspect | Seamless Mechanical Tubes | Seamless Structural Tubes |
Primary Focus | Precision machining, dimensional accuracy, superior surface finish. | High strength-to-weight ratio, excellent weldability, load-bearing capacity. |
Key Standards | ASTM A519, DIN 2391, EN 10305-1, JIS G3445 | ASTM A500 (A, B, C), ASTM A501, EN 10210-1, JIS G3444 |
Typical Material Grades | C45 (1045), 42CrMo4 (4140), ST52.0, 304/316 Stainless Steel | S235JRH, S355J2H, ST52, ASTM A500 Gr. B & C |
Key Characteristics | Tight tolerances (OD/WT), smooth surface for further processing. | High yield and tensile strength, good weldability and formability. |
2. Material Grades & Size Range at BENKOO METAL
We offer a versatile selection of materials and sizes to fit your project specifications.
Category | Typical Steel Grades | Common Size Range (Example) |
Carbon & Alloy Steel | 1020, 1045, 4130/4140, ST52, S355 | Outer Diameter: 10mm – 400mm |
Stainless Steel | 304, 304L, 316, 316L | Wall Thickness: 1mm – 40mm |
Custom Grades | Upon request and feasibility study. | Length: Up to 12m (or as required) |
3. Industry Relevance & Applications
BENKOO METAL's seamless tubes are fundamental components across a wide spectrum of industries, serving as the essential "skeleton" for machinery and structures. Their reliability directly impacts the performance, safety, and longevity of the final product.
Mechanical Manufacturing: Used for hydraulic and pneumatic cylinders, precision shafts, drive axles, bearing housings, and machine tool frames. Our mechanical tubes provide the exact tolerances and strength required for smooth operation and extended service life.
Automotive & Transportation: Found in chassis components, roll cages, shock absorber housings, and engine parts. They contribute to vehicle safety, performance, and durability.
Construction & Infrastructure: Widely employed in building frameworks, space trusses, bridge railings, scaffolding systems, and architectural aesthetics. BENKOO METAL's structural tubes offer the strength and weldability needed for safe, enduring structures.
Material Handling & Storage: Forming the core of heavy-duty storage racks, conveyor system frames, and forklift components, where load-bearing capacity is critical.
Choose BENKOO METAL for your next project. Contact us with your specifications for a competitive quote and technical data sheets.
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