High-Precision Stainless Steel Sheet Gauge: 2B/BA Finish & J7/304L Alloys

High-Precision Stainless Steel Sheet Gauge: 2B/BA Finish & J7/304L Alloys

​Product Overview

Our ​stainless steel sheet gauge products are engineered for industries demanding exceptional dimensional accuracy and surface quality. Featuring ​2B (smooth matte) and ​BA (bright annealed) finishes, these sheets are ideal for applications ranging from ​stainless steel cooking sheets to industrial machinery components. Available in ​J7/304L alloys with thicknesses from 0.5mm to 6mm, they combine corrosion resistance, hygienic properties, and thermal stability. Certified to ASTM A240 and ISO 9001 standards, our sheets are compatible with ​best stainless steel baking sheets manufacturing and architectural design.

​Technical Specifications

​Key Properties & Performance

​Tensile and Bending Strength

The ​stainless steel sheet gauge achieves ​tensile strengths of 485–520 MPa, ensuring structural integrity under high stress. For bending applications, the J7 alloy supports ​**≤85° angles without cracking**, while 304L allows ​**≤90° bends**, making them suitable for forming ​best stainless steel baking sheets and industrial components.

​Weight Calculation

Calculate sheet weight using:
$\text{Weight (kg)}=\text{Length (m)}\times \text{Width (m)}\times \text{Thickness (mm)}\times 7.93(\text{density})$
Example: A 1m x 2m x 1.5mm 304L sheet weighs:
$1\times 2\times 1.5\times 7.93=23.79\text{kg}$ 

​Rust Prevention & Causes

While ​stainless steel sheet gauge products resist corrosion, rust may occur due to:

1. ​Chloride Exposure: Coastal environments or de-icing salts degrade the chromium oxide layer.
2. ​Mechanical Damage: Scratches from abrasive tools expose the base metal to oxidation.
3. ​Low pH Environments: Acidic substances (e.g., vinegar) erode the passive layer on ​stainless steel cooking sheets.
4. ​Galvanic Corrosion: Contact with dissimilar metals (e.g., carbon steel) in humid conditions.

​Manufacturing & Identification

​Production Process

1. ​Cold Rolling: J7/304L coils are precision-rolled to achieve ​0.5–6mm thickness with ±0.02mm tolerance.
2. ​Annealing: Heat-treated at 1010–1120°C (2B) or oxygen-free annealing (BA) for enhanced corrosion resistance.
3. ​Surface Treatment: Pickling (2B) or bright annealing (BA) to eliminate scaling and improve finish.

​Identification Marking

Each sheet is laser-etched with:

• Grade (J7/304L)
• Thickness (e.g., 1.5mm)
• Batch number and compliance logos (ASTM, ISO).

​Applications

• ​Food Industry: ​Stainless steel cooking sheets and ​best stainless steel baking sheets (FDA-compliant, easy to clean).
• ​Architecture: Elevator panels, decorative cladding.
• ​Automotive: Exhaust systems, trim components.
• ​Medical Equipment: Surgical trays, hygienic surfaces.

​Why Choose Our Stainless Steel Sheets?

1. ​Precision Engineering: ​Stainless steel sheet gauge products with ±0.02mm tolerance for demanding applications.
2. ​Hygienic Design: BA/2B finishes prevent bacterial growth on ​best stainless steel baking sheets.
3. ​Customization: Tailored sizes (up to 6000mm x 1500mm) and alloys (J7/304L).
4. ​Certified Quality: ASTM A240 and ISO 9001 compliance for industrial reliability.
5. ​Global Logistics: 15-day lead time with door-to-door shipping across North America, Europe, and Asia.