Leading supplier of oval and elliptical seamless tubes in stainless steel and alloy materials. Ideal for architecture, automotive, and furniture industries. Custom sizes and finishes available.
As a professional manufacturer in China, we specialize in producing high-quality oval and elliptical seamless tubes that meet demanding aesthetic and structural requirements. These tube profiles are widely used in modern architectural design, automotive exhaust systems, bicycle frames, railings, and furniture components.
Our seamless manufacturing process ensures smooth curvature, consistent wall thickness, and excellent surface quality with no visible weld seam. The tubes are available in stainless steel grades such as 304, 316, and duplex 2205, offering durability, corrosion resistance, and superior formability.
We support OEM & ODM customization including specific outer dimensions, wall thickness, surface finish, and packaging to suit global client needs.
Item | Details |
Product Name | Stainless Steel Pipe, Stainless Pipe, SS Pipe |
Standard | GB, AISI, ASTM,ASME,DIN, EN, JIS |
Available Grades | 200 Series: 201, 202300 Series: TP304, 304L, 304H, 316, 316L, 316H, 316Ti, 317, 317L, 310S, 310H, 321, 321H, 347, 347HSpecial Alloys: 904L, S31254 (254SMO)400 Series: 409, 410S, 416, 420, 430, 439, 440, 444, 446Duplex and Others: 2205, 2507, S31803, S32205, S32750, S32760, 253MA |
Process | Hot Rolled, Cold Rolled |
Sizes | Thickness: 0.24–3mm, Outer diameter: 8–219mm, Length: 1–6m (according to customer’s request) |
Surface Treatment | NO.1, 2B, NO.4, BA, HL, Mirror |
Inspection | SGS, TUV, BV, ABS, LR etc. |
Application | Oil & Gas, Petroleum, Vessels, Ship Building, Water Treatment and Environmental Protection etc. |
Finish | Description | Typical Thickness (mm) | Available Widths (mm) |
2B | Smooth, reflective grey sheen. Most widely used. | 0.55 | 914, 1219 |
BA | Bright annealed mirror-like finish. | 0.70 | 914, 1219 |
DP | Brushed, non-reflective, easy to clean. | 0.90 | 750, 914, 1219 |
HR | Scaled, hot-rolled finish. | 1.20 | 750–1500 |
No.1 | Pickled, white surface after hot-rolling. | 1.50 | 914, 1219, 1500 |
HL | Continuous linear polish finish. | 1.60 | 914, 1219, 1500 |
No.4 | Polished with 150–180 grit. | 2.00 | 914, 1219, 1500 |
No.8 | Mirror finish, highly reflective. | 2.50 | 914, 1219, 1500 |
Our oval and elliptical seamless tubes are offered in a wide range of profiles with both flat and domed elliptical sides. Common styles include flattened oval tubes for railing applications, fully elliptical tubes for decorative and structural use, and aerodynamic oval sections for vehicle and marine design. Surface finishes include mirror polish, brushed satin, and matte pickled finish, depending on aesthetic or functional preferences. Customized cut lengths, end treatments, and slotting are also available upon request.