S235JR S275JR Carbon Steel Oval Tube ASTM A500 Cold Rolled Shaped Elliptical Pipe Supplier
Product description:

This series carbon steel oval tube complies with international standards ASTM A500 and EN10305, raw material grades S235JR, S275JR for general structural engineering. Produced by cold rolling forming technology, the oval pipe features smooth surface, small dimensional tolerance and stable mechanical performance. We can produce standard stock sizes and non-standard customized oval tubes according to engineering drawings. Surface treatments include black oil, galvanization and spray coating. Suitable for large construction projects, outdoor guardrails, bridge supports and agricultural facilities. All products pass third-party SGS testing and meet overseas engineering procurement standards.

Parameters:

Pictures:

Material and Composition

Flat elliptical tubes can be produced from a wide range of materials to meet diverse performance and environmental requirements:

Carbon Steel (e.g., Q235, S235, AISI 1010, 1020, 1045): Strong and economical for structural applications.

• Stainless Steel (e.g., 304, 316, 316L): Excellent corrosion resistance, ideal for outdoor and decorative use.
• Aluminum Alloy (e.g., 6061, 6063): Lightweight, corrosion-resistant, suitable for transport and furniture.
• Alloy Steel (e.g., 4140, 4130): High tensile strength and wear resistance for mechanical applications.
• These materials can be hot rolled, cold drawn, or extruded depending on the required strength, surface finish, and dimensional accuracy

Manufacturing Process

Flat elliptical tubes are manufactured through advanced forming and shaping technologies that ensure smooth curves, consistent wall thickness, and precise dimensions:

• Tube Preparation: Start with round or oval seamless/welded tubes.
• Flattening and Shaping: The tube is pressed or rolled through a special mold to create a flat elliptical cross-section.
• Heat Treatment: Applied to relieve stress and enhance ductility and strength.
• Cold Drawing or Extrusion: Improves dimensional accuracy and surface smoothness.
• Surface Finishing: Polishing, pickling, sandblasting, or coating for corrosion protection.
• Inspection and Quality Testing: Ensures uniformity, mechanical strength, and flawless surface.
• The result is a dimensionally accurate tube with a smooth, elegant elliptical shape ideal for both structural and aesthetic applications.

Key Features and Advantages

• Elegant Design: The elliptical shape provides a modern and stylish appearance.
• Aerodynamic Efficiency: Reduced wind resistance in architectural and vehicle applications.
• Excellent Strength and Rigidity: Withstands bending and torsion loads effectively.
• Smooth Surface Finish: Ideal for decorative and exposed structures.
• Lightweight Yet Strong: Provides high load-bearing capacity with reduced material usage.
• Corrosion and Weather Resistance: Available in stainless steel or coated finishes.
• Easy to Fabricate and Weld: Compatible with standard cutting, bending, and welding methods.

In stock:

Application:

• The flat elliptical tube is used across many industries where design aesthetics and mechanical strength are equally important:
• Architectural and Structural Engineering: Used for handrails, balustrades, columns, and curtain walls.
• Automotive Industry: Applied in frames, exhaust systems, roll cages, and chassis components.
• Furniture and Interior Design: Perfect for modern furniture frames, tables, and chairs.
• Sports and Fitness Equipment: Used in treadmill frames, bicycle parts, and gym machines.
• Heat Exchangers and Fluid Systems: Provides efficient heat transfer and fluid flow in compact systems.
• Transportation and Marine Industries: Lightweight structure for ships, trains, and public vehicles.
• Its smooth contours and high structural stability make it a preferred choice for both functional engineering and decorative design.

Company profile:

Certification:

Packaging and Transportation:

Why us?

We focus on the research, development, production and sales of seamless steel pipes, Special-shaped steel pipes and hydraulic cylinders. We have a complete production chain and an advanced equipment system, including piercing machines, cold drawing machines, hot rolling machines, high-precision flaw detection and testing equipment. The company has passed multiple authoritative certifications such as ISO9001, API, SGS, CCS, DNV, ABS, CE, RoHS, etc., ensuring that each product complies with international standards. We are committed to providing customers with high-quality, customizable solutions to meet diverse application needs.

Relying on our own built processing base and modern workshops, combined with multiple branches and storage centers across the country, we have achieved sufficient inventory and efficient logistics coordination, significantly shortening the delivery cycle and ensuring the rapid delivery of orders.

We have established a complete service and support system. After the order is signed, the professional after-sales team can provide timely and safe on-site guidance and technical support to ensure that customers are at ease throughout the process from procurement to use.

FAQ:

1. Do you support customized design and production?

Sure. We have a professional engineering team that can conduct customized design and production with special sizes, control systems or OEM according to your requirements.

2. How fast can you deliver?

In stock sizes, it takes 3-5 days. For customized sizes, it takes 30-35 days.

3. What payment methods do you support?

We support TT payment. Generally, 30% to 50% of the payment is made in advance, and the remaining amount is paid before shipment.

4. Can you provide material certification (MTC)?

Yes, we will provide MTC to you after production is completed to ensure that the material quality meets the standards.

5. What is the minimum order quantity?

Generally, we accept trial orders. The minimum order quantity is 1-3 tons, which can be determined according to different products.