Surface BA
Bright Annealed Stainless Steel Finish
BA is a smooth, bright cold-rolled finish created by annealing in a controlled atmosphere so the surface does not require conventional acid pickling afterward.
Appearance
- Bright and reflective but less optically flat than a mechanically polished mirror finish.
Production route
- Precision cold rolling
- Controlled-atmosphere bright annealing
- Optional light skin pass
- Protective film application
Typical uses
- Appliance trim
- Reflectors
- Kitchen equipment
- Decorative formed parts
Purchase-order checks
- Required gloss and approved sample
- One-side or two-side quality
- Film type and peel direction
- Forming route
- Surface defect criteria
Protection and acceptance
- Approve a representative gloss and tone sample
- State the critical face and protective-film type
- Inspect reflectivity, haze, scratches and forming marks under consistent lighting
Common defects to control
- Haze or uneven reflectivity
- Fine roll marks
- Film imprint or adhesive residue
Example purchase description
- 304 stainless coil, 0.8 x 1000 mm, BA finish on the critical face, PE film suitable for forming, gloss and surface acceptance to approved sample.
Technical content updated: 2026-07-29
Organizational author: Tsingshan (Shandong) Iron & Steel Co., Ltd..Review method, status and limitations.
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