BA Finish Sheet — ASTM A480
BA finish sheet — sheet bright-annealed in a controlled atmosphere. Bright annealing keeps the surface reflective without pickling. BA sheet is used for appliances, reflectors and hygienic equipment.
- ASTM A480
- 7 grades
- EN 10204 3.1 / 3.2
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is a BA finish sheet?
A BA finish sheet is sheet bright-annealed in a controlled atmosphere. Bright annealing keeps the surface reflective without pickling. BA sheet is used for appliances, reflectors and hygienic equipment.
BA Finish Sheet: What to Know Before Ordering
- Reflective, near-mirror surface
- No pickling
- Often PVC-coated
BA Finish Sheet Materials & Grades
| Grade | Material standard | Best for |
|---|---|---|
| SS 904L ba finish sheet | ASTM A240 | Dilute sulphuric acid, phosphoric acid and chloride-bearing cooling water |
| SS 304 ba finish sheet | ASTM A240 | General corrosion resistance, food, water and architectural work |
| SS 304L ba finish sheet | ASTM A240 | Welded tanks, piping and vessels in general corrosive service |
| SS 310 / 310S ba finish sheet | ASTM A240 | Furnaces, burners and heat treatment at high temperature |
| SS 316 / 316L ba finish sheet | ASTM A240 | Chloride-bearing process fluids, marine air and pharmaceutical service |
| SS 321 ba finish sheet | ASTM A240 | High-temperature service between 425 and 815 °C |
| SS 347 ba finish sheet | ASTM A240 | Welded high-temperature piping in refineries and power plants |
Other sheets
BA finish sheet — questions buyers ask
What is a BA finish sheet?
A BA finish sheet is sheet bright-annealed in a controlled atmosphere. Bright annealing keeps the surface reflective without pickling. BA sheet is used for appliances, reflectors and hygienic equipment.
Is BA the same as mirror finish?
No. BA is reflective but not polished; mirror No.8 is mechanically polished to a true mirror.
Which grades are ba finish sheets available in?
SS 904L, SS 304, SS 304L, SS 310 / 310S, SS 316 / 316L, SS 321, SS 347.
Which standard covers ba finish sheet dimensions?
ASTM A480. The material standard depends on the grade.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026