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Bright Annealed Stainless Steel Sheet (BA Finish) Factory Price

SKU: TDC-PLATE-BA
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High-Gloss Bright Annealed (BA) Stainless Steel Sheet

  • Industrial Grades: 304, 304L (Food Grade), and 430 (Magnetic/Economical)
  • Thickness Range: 0.4 mm – 2.0 mm (Standard size 4x8 ft)
  • Surface Protection: Premium PVC coating on every sheet
  • Reliability: Mill Test Certificate (MTC) & Fast Nationwide Delivery

The ultimate cost-effective solution for home appliances, commercial kitchenware, and interior decoration.

ISO Certification
High Performance
Industrial Material

Why Leading Manufacturers Choose BA Finish Stainless Steel?

When your manufacturing project demands a "highly reflective, clean, and luxurious appearance on a controlled budget," the BA (Bright Annealed) finish is your perfect solution. This finish is produced through a specialized heat-treatment process in a controlled, oxygen-free atmosphere, resulting in a micro-smooth surface with exceptional gloss and reflectivity.

Thanks to its ultra-smooth texture, dirt, grease, and bacteria have a hard time adhering to the surface. This makes BA finish incredibly easy to clean and highly sought after by engineers in the Food & Beverage industry, home appliances manufacturing, and medical equipment production.

BA Finish vs. Mirror No.8 Finish: What’s the Difference?

Architects and procurement teams frequently ask us this question. Here is a clear breakdown:

  • BA Finish (Bright Annealed): The shine is a natural result of the metallurgical annealing process. While it is bright and reflective, the reflection may exhibit a slight cloudiness and is not 100% optically clear. (Advantage: Highly Cost-Effective)
  • Mirror No.8 Finish: The shine is achieved through intensive mechanical polishing using specialized compounds. The surface provides a "deep, sharp, and distortion-free" reflection, identical to a real glass mirror. (Advantage: Maximum Aesthetics, but at a higher cost)

Technical Specifications

Standard: ASTM A240 / JIS G4305
Available Grades: 304, 304L, and 430
Surface Finish: BA (Bright Annealed / Highly Reflective)

Typical Mechanical Properties

Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (Hv)
304≥ 515≥ 205≥ 40≤ 200
430≥ 450≥ 205≥ 22≤ 200

Standard Stock Sizes: BA Finish (Ready to Ship)

Thickness (mm) Size 4' x 8' (1219x2438mm) Surface Protection
0.4 - 0.7✓ In StockPVC Film Coated
0.8 - 1.0✓ In StockPVC Film Coated
1.2 - 1.5✓ In StockPVC Film Coated
2.0✓ In StockPVC Film Coated

✓ = Primary stock available in Grades 304 & 430 | Custom Shearing services available upon request.

Common Industrial Applications

  • Home Appliances: Refrigerator doors, washing machine drums, and microwave exteriors.
  • Food Service: Commercial kitchen equipment, countertops, and food serving trays.
  • Automotive: Decorative trim components and exhaust system covers.
  • Architecture: Interior decoration panels where extreme mirror clarity is not strictly required.

Frequently Asked Questions (FAQ)

Trinity Dynamic supplies BA finish sheets primarily in two grades: Grade 304/304L (Food Grade), which offers excellent rust resistance for kitchen and general use, and Grade 430 (Magnetic), which is a highly cost-effective solution for indoor appliances and decorative purposes.
We maintain a ready-to-ship inventory of BA sheets ranging from ultra-thin 0.4 mm up to 2.0 mm in thickness. The standard sheet size available is 4x8 ft (1,219 x 2,438 mm). Every single sheet comes pre-coated with protective PVC film from the mill.
Yes, in many cases! If your application involves high-elevation installations, machine parts, or commercial appliances where viewers won't be examining the reflection closely, BA is a perfect, budget-friendly alternative. However, for luxury interior designs requiring distortion-free, crystal-clear reflections, we highly recommend upgrading to Mirror No.8.
Grade 430 BA is an excellent and economical choice for indoor applications. It offers a beautiful shine and is magnetic, making it highly popular for refrigerator doors and indoor trims. However, because it lacks nickel, it has lower corrosion resistance than Grade 304. We do not recommend Grade 430 for outdoor use or high-moisture environments.
Absolutely. As a full-service steel center, every stainless steel sheet we supply comes with a Mill Test Certificate (MTC) guaranteeing its compliance with ASTM standards. We also offer precision Shearing services to cut the sheets down to your exact required dimensions, minimizing your material waste.
Yes! Trinity Dynamic operates a professional logistics fleet, providing reliable metal transportation services nationwide across Thailand. Whether your factory is located in an industrial estate or a remote facility, we ensure your materials arrive safely and exactly on schedule.
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