High-quality 304 stainless steel bar with excellent corrosion resistance and formability. Chinese manufacturer offering round, square, and flat bars with OEM/ODM customization.
As a leading stainless steel bar supplier, we specialize in the production of 304 stainless steel bars for industrial and architectural use. Our factory supports OEM and ODM services with a wide range of shapes, surface treatments, and sizes to meet diverse application requirements. With 20+ production lines and advanced CNC equipment, we ensure stable quality, tight tolerances, and timely delivery for global clients.
| Item | Details |
| Product Name | Stainless Steel Bar, Stainless Bar, SS Bar |
| 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 | Diameter: 0.1-500mm or customized, Length: 1-12m or customized (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 |
304 stainless steel bars are typically available in round bar styles, but also in square, hexagonal, and flat profiles for different uses. Our bars support both hot rolled and cold drawn processes depending on strength and surface finish needs. Available surface finishes include 2B, bright polished, and matte, making them suitable for structural frameworks, machining, automotive parts, and food-grade equipment.
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304L has a lower carbon content than 304, improving its weldability and resistance to intergranular corrosion after welding.
Yes. We offer full customization on diameter, length, surface finish, and tolerances according to your requirements.
We offer round bars, square bars, hexagonal bars, and flat bars.
Yes. EN10204 3.1 certificates are included by default, with optional 3.2 certification and third-party inspections (SGS, TUV, BV) upon request.
Of course. Samples are available for quality testing before formal orders.
We support flexible MOQs, including small-batch trial orders for new customers or special projects.
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