Products
Bars & Rods
Stainless steel black round bars are hot-rolled with an oxidized scale surface (black). Excellent mechanical properties, suitable for subsequent machining, forging, or direct use as structural components. Widely used for shafts, bolts, nuts, valve parts, and general machinery components.
Specifications
| Grades | 304, 304L, 316L, 321, 310S, 201, 410, 420, 430, 2205 |
| Diameter | Φ5.5mm – Φ300mm |
| Length | 5.5-7m Custom OD-to-Length Ratio/ Random Length |
| Surface | Black / Hot-rolled/ Pickled |
| Standards | ASTM A276, ASTM A479, EN 10088-3, JIS G4303, GB/T 1220 |
| Tolerance | h11 / k13（Per Customer Request） |
| Straightness | ≤ 3mm/m |
