Good Price 321 304 shaped steel 3 inches flat stainless steel bar 321H Stainless Steel Flat Bar Good Quality
STAINLESS STEEL FLAT BAR - Full Product Introduction
Definition & Shape: Stainless steel flat bar is a long stainless steel profile with a rectangular cross-section and straight edges, different from round bars, angle bars and channel bars. Main processes: hot rolled and cold rolled/cold drawn. Conditions: black, pickled, bright/brush polished, and mirror polished.
| Grade | Key Composition | Corrosion Resistance | Typical Applications |
|---|---|---|---|
| 304 (06Cr19Ni10) | Cr 18-20%, Ni 8-10.5% | General resistance, atmosphere, fresh water | Construction, food equipment, decoration |
| 316 (06Cr17Ni12Mo2) | Contains 2-3% Mo | Seawater and chloride resistance | Marine engineering, chemical industry |
| 316L (022Cr17Ni12Mo2) | Ultra-low carbon (C≤0.03%) | Excellent, no sensitization after welding | Pressure vessels, welded parts |
| 201/202 | High manganese, low nickel | Economical | Decoration, cost-sensitive projects |












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