As a top stainless steel flat bar manufacturer in China, we offer a wide range of custom flat bars in 304, 316, 201, and duplex grades. Available in hot-rolled or cold-drawn finish, our stainless flat bars meet ASTM/EN standards and support OEM & international export.
We are one of the most trusted stainless steel flat bar manufacturers in China, offering precision-engineered flat bars in various stainless steel grades, including 201, 304, 316, 430, and duplex series. Our stainless flat bars are widely used in construction, mechanical fabrication, bridges, kitchen equipment, and decorative applications due to their superior corrosion resistance, mechanical strength, and aesthetic finish.
Each flat bar is manufactured to strict international standards (ASTM, EN, JIS, AISI) and available in hot-rolled, cold-drawn, and pickled finishes. We provide full OEM/ODM support including size customization, edge processing, polishing, stamping, and packaging for global buyers.
Whether you need structural-grade flat bar for welding and machining, or decorative strips for interior design, we deliver reliable quality with competitive factory pricing.
| 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 |
Our stainless steel flat bars come in widths from 10 mm to 200 mm and thicknesses from 1 mm to 20 mm. Standard lengths are 6 meters or customized upon request. Available finishes include hot rolled, cold drawn, pickled, brushed, and mirror polished. We also support chamfered edges, rounded corners, and stamped marking for branded OEM orders.
We are a leading exporter of 310S stainless steel bars from China, supplying high-quality round bars with excellent oxidation resistance, weldability, and high-temperature performance.
High-performance 317/317L stainless steel bars from a leading Chinese manufacturer. Superior corrosion resistance, formability, and strength for marine, chemical, and food-grade applications.
Buy 410S stainless steel bars from a certified Chinese manufacturer. Low-carbon martensitic stainless bar ideal for heat resistance, weldability, and oxidation resistance applications.
We are a trusted manufacturer of 310 stainless steel bars in China, offering factory-direct pricing, excellent oxidation resistance, and high-temperature strength. Custom options available.
We manufacture flat bars in 304, 304L, 316, 316L, 201, 430, and duplex steels like 2205. Special grades can be produced upon request.
Widths range from 10 mm to 200 mm and thickness from 1 mm to 20 mm. Custom dimensions are available.
We offer mill finish, pickled, brushed (180/320 grit), and mirror polish. Custom polishing is also supported.
Yes, we offer laser marking, stamping, and packaging with your brand, part numbers, and specifications.
Yes, all our products comply with ASTM, EN, AISI, and JIS standards. We provide SGS, ISO9001, and material test certificates with each order.
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