Top manufacturer and supplier of 309 stainless steel tubes in China. Offering high-quality standard stainless steel tube solutions with superior heat resistance and strength.
309 stainless steel tube is an austenitic stainless steel known for its exceptional resistance to high temperatures and oxidation. With higher levels of chromium and nickel compared to 304, this alloy provides enhanced strength and durability in demanding environments, such as heat treatment equipment, furnaces, kilns, and exhaust systems.
As a trusted supplier of high-quality standard stainless steel tubes, we offer 309 tubes in a wide range of outer diameters, wall thicknesses, and surface finishes. Our production processes follow global standards such as ASTM, EN, and JIS, and we support both seamless and welded options. OEM and ODM customizations are available for industrial applications requiring thermal stability and corrosion resistance.
| 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 |
309 stainless steel tubes are available in round, square, and rectangular configurations. Customers can choose from surface finishes including 2B, No.4, BA, and mirror polish depending on the intended use. Both hot rolled and cold drawn processing methods are available, offering tight tolerance control and smooth internal surfaces suitable for mechanical, thermal, and structural use cases.
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Its high chromium and nickel content provides excellent oxidation and heat resistance up to 1000°C, making it ideal for furnaces and heat exchangers.
Yes. We support full customization including wall thickness, length, and diameter.
Yes. Both types are available depending on your mechanical and pressure requirements.
Yes, we provide EN10204 3.1/3.2 Mill Test Certificates with each batch.
Absolutely. We specialize in OEM/ODM stainless steel tube manufacturing for global clients.
Yes, sample orders are welcomed for evaluation before bulk procurement.
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