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Stainless Steel BA Finish Sheet (Bright Annealed)
Stainless Steel BA Finish is a bright, cold-rolled stainless steel that has been annealed in a controlled atmosphere to retain a highly reflective surface. It offers a shiny, mirror-like appearance (though slightly less clear than No.8) and is widely used for appliances and automotive parts.
Key Features:
- Bright & Reflective: Smooth surface with high reflectivity, easy to clean and aesthetically pleasing.
- Cost-Effective: More affordable than Mirror No.8 finish as the brightness is achieved during the annealing process, not by mechanical polishing.
- Common Grades: 304 (Standard) and 430 (Ferritic/Magnetic).
Specifications:
- Thickness: 0.4 mm – 2.0 mm
- Standard Size: 4' x 8' (1219 x 2438 mm)
- Protection: PVC Film coating (White/Black or Transparent)
Applications:
- Home appliances (Washing machines, Microwaves)
- Food trays and kitchenware
- Automotive exhaust components and trim
- Reflectors and mirrors
Trinity Dynamic supplies BA Finish Stainless Steel in various grades. High surface quality with protective film options.
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Why Choose Stainless Steel BA Finish?
For applications requiring a sleek, shiny appearance without the premium price tag of Mirror No.8, BA Finish is the ideal choice. The surface is extremely smooth, which minimizes bacterial growth and makes cleaning effortless, suitable for hygiene-sensitive areas.
Difference: BA vs. Mirror No.8
- BA (Bright Annealed): Produced by heat treatment. The surface is bright but may have a slight haze or cloudiness.
- Mirror No.8: Produced by mechanical polishing. The surface is blemish-free and offers a perfect, crystal-clear reflection.
Technical Specifications
Standard: ASTM A240 / JIS G4305
Grades: 304, 304L, 430
Surface: BA (Bright Annealed)
Mechanical Properties (Typical)
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (Hv) |
|---|---|---|---|---|
| 304 | ≥ 515 | ≥ 205 | ≥ 40 | ≤ 200 |
| 430 | ≥ 450 | ≥ 205 | ≥ 22 | ≤ 200 |
| Stock Availability: BA Finish Sheet | ||
|---|---|---|
| Thickness (mm) | 4' x 8' (1219x2438mm) | Note |
| 0.4 - 0.7 | ✓ | PVC Coated |
| 0.8 - 1.0 | ✓ | PVC Coated |
| 1.2 - 1.5 | ✓ | PVC Coated |
| 2.0 | ✓ | Inquire |
