About ultra-thin hand torn stainless steel foil 0.002mm thick
BREAKING MATERIAL LIMITS: SHENZHEN HUACHANG WEIYE PIONEERS 0.002MM HAND-TEARABLE STAINLESS STEEL FOIL WITH UNMATCHED PRECISION
Shenzhen, China - - Shenzhen Huachang Weiye Metal Materials Co., Ltd., a leader in advanced metal processing, has revolutionized the materials industry with its groundbreaking 0.002mm ultra-thin stainless steel foil - the world's thinnest hand-tearable metal foil boasting ±0.0003mm thickness tolerance. This achievement establishes new benchmarks for precision manufacturing while enabling unprecedented customization capabilities through its proprietary "Blueprint-to-Reality" processing system.
I. Corporate Milestone: Redefining Metal Flexibility
A. Technical Specifications
| Parameter | Value | Industry Standard |
|---|---|---|
| Thickness | 0.002mm (±0.0003mm) | 0.005mm (Commercial) |
| Surface Roughness (Ra) | ≤0.04μm | 0.1μm |
| Tensile Strength | 950-1250MPa | 600-800MPa |
| Elongation | 2-4% | 1-2% |
| Flatness | ≤3I Units | ≤10I Units |
B. Certification & Recognition
- ISO 9001:2015 certified production system
- 18 patents covering rolling/patterning technologies
- 2023 International Thin Materials Innovation Award
II. The Science of Tearing Metal: Technical Breakthroughs
A. Microstructure Engineering
Through advanced TEM (Transmission Electron Microscopy) analysis, Huachang Weiye's R&D team developed a unique grain structure:
- Nano-crystalline grains (5-8nm diameter)
- Controlled dislocation density (10¹³ m⁻²)
- (111)[110] rolling texture orientation
B. Proprietary Manufacturing Process
- Material Selection
Vacuum arc remelted 316L stainless steel:
- Cr: 16.5-18.5%
- Ni: 10-13%
- Mo: 2-2.5%
- C ≤0.03%
-
6-Stage Precision Rolling
Stage | Thickness Reduction | Equipment
---|---|----
1 | 3.0mm→0.8mm | ZR-23 Sendzimir Mill
2 | 0.8mm→0.15mm | 20-High Cluster Mill
3 | 0.15mm→0.03mm | Micro-Rolling System
4 | 0.03mm→0.006mm | Cryogenic Rolling (-50°C)
5 | 0.006mm→0.002mm | Mirror-Finish Polishing Mill
6 | Final Calibration | Laser-Guided Tension Leveler -
Surface Treatment
- Electrolytic polishing (Ra 0.04μm)
- Plasma-enhanced chemical vapor deposition (PECVD) coating
- Customizable surface patterns (micro-grooves/dimples)
C. Quality Control Protocol
- In-line laser thickness gauge (0.1μm resolution)
- AI-powered defect detection (99.98% accuracy)
- Hydrogen embrittlement testing (200h @ 150°C)
III. Application Revolution: Where 2-Micron Steel Excels
A. Electronics & Semiconductors
- Flexible Circuits
- Replaces polyimide in foldable displays
- Thermal conductivity: 15W/m·K vs 0.2W/m·K (PI)
- EMI Shielding
- 85dB attenuation (10MHz-10GHz)
- 30% lighter than conventional solutions
B. New Energy Systems
- Fuel Cells
- Bipolar plates with 0.08Ω·cm² contact resistance
- 10,000h corrosion resistance (simulated PEMFC environment)
- Battery Tech
- Current collectors enabling 500Wh/kg batteries
- Dendrite-resistant surface treatment
C. Advanced Manufacturing
- Metal Masks
- 0.002mm steel masks for micro-LED transfer
- Positional accuracy: ±1μm
- Medical Devices
- Surgical staples with programmed fracture points
- MRI-compatible implants
IV. Customization Capabilities: From Blueprint to Bulk Production
A. "TearEdge" Technology
Pre-engineered tearing characteristics:
- Linear tearing strength: 0.8-1.2N/mm
- Customizable tearing directions (isotropic/anisotropic)
B. Prototyping Services
- Laser Micro-Processing
- Minimum cut width: 5μm
- Burr height: <0.1μm
- Etching Solutions
- Fine patterns down to 2μm line width
- Through-hole etching (aspect ratio 10:1)
C. Bulk Production Strength
- Minimum order: 500m (prototype)
- Standard lead time: 14 working days
- Maximum width: 650mm
V. Knowledge Base: Understanding Stainless Steel Foil
A. Material Fundamentals
-
Definition
Stainless steel foil refers to cold-rolled sheets ≤0.1mm thick, with Huachang Weiye pushing this to 0.002mm - 50x thinner than human hair (avg. 0.1mm diameter). -
Key Properties
- Strength-density ratio exceeding graphene films
- Intrinsic corrosion resistance (passive Cr₂O₃ layer)
- Recyclability: 100% with no performance degradation
B. Historical Development
| Year | Milestone |
|---|---|
| 1950s | First 0.1mm stainless foil (industrial) |
| 2005 | 0.03mm foil for aerospace |
| 2018 | 0.01mm commercial grades |
| 2023 | Huachang Weiye's 0.002mm breakthrough |
C. Comparative Analysis
| Property | 316L Foil | Aluminum Foil | Graphene |
|---|---|---|---|
| Thickness Limit | 0.002mm | 0.006mm | 0.0003mm |
| Tensile Strength | 1200MPa | 100MPa | 130GPa |
| Thermal Stability | 800°C | 250°C | 4000°C |
| Cost/m² | $18 | $2 | $6000 |
VI. Environmental Impact & Sustainability
A. Production Efficiency
- 78% energy reduction vs traditional rolling
- Closed-loop lubricant system (zero wastewater)
B. Lifecycle Advantages
- 200x reusable cycles vs polymer films
- 95% lower carbon footprint than composite materials
C. Certifications
- REACH SVHC compliance
- Conflict Minerals Policy (RMAP certified)
VII. Industry Endorsements
Dr. Emily Zhang, MIT Materials Science:
"Huachang Weiye's achievement in maintaining metallic integrity at 2-micron thickness represents a quantum leap. This material could enable battery technologies we previously considered theoretically impossible."
TechNexus Energy Solutions (Client Testimonial):
"By switching to Huachang's 0.002mm current collectors, we achieved 30% faster charge rates while reducing cell weight by 40% - a game-changer for EV batteries."
VIII. Future Development Roadmap
Q4 2024
- 0.0015mm foil pilot production
- Automated custom patterning system
2025 Targets
- 50,000-ton annual capacity
- AI-driven alloy development platform
About Shenzhen Huachang Weiye Metal Materials Co., Ltd.
Established in 2008, Huachang Weiye specializes in high-performance stainless steel products for cutting-edge industries. With 3 production bases and 120+ technical experts, we serve Fortune 500 companies across 35 countries. Our R&D investment exceeds 8% of annual revenue, driving continuous innovation in thin-gauge metal technologies.
104, Niwota Residential And Commercial City, Hongqiaotou Community First Industrial Zone, Yanluo Street, Shenzhen, Guangdong, China