QUALITY YOU CAN TRUST. PRECISION YOU CAN MEASURE.
Strict Quality Control for Ultra-Thin 304 & 316L Precision Stainless Steel Foil.
OUR QUALITY POSITIONING
Material Consistency
Strict raw material control ensures stable chemistry and performance.
Precision Thickness Control
Advanced process and measurement guarantee ultra-thin tolerance.
Clean Surface Quality
Superior surface and appearance for high-end applications.
Reliable Batch Stability
Consistent quality across batches for long-term supply confidence.
OUR QUALITY CONTROL PROCESS
Raw Material
Inspection
Precision
Cold Rolling
Thickness
Measurement
Annealing
Treatment
Slitting &
Edge Control
Surface &
Appearance Inspection
Mechanical
Performance Testing
Final Inspection
& Packaging
INSPECTION CAPABILITIES
304, 316L
Other grades available
0.01 – 0.05 mm
Tight tolerance control
2 – 1000 mm
Custom width available
BA / 2B
Customized finishes available
High Flatness
Better processing performance
Smooth Edge
No burr
No delamination
Tensile / Yield / Elongation
Strictly controlled
Tight Coil
No oil stain
No dent
Protected by Paper & Wooden Box
Export standard
CERTIFICATIONS
ISO 9001
Quality Management System / Ensures consistent product quality and customer satisfaction.
ISO 14001
Environmental Management System / Commitment to environmental protection.
RoHS Compliant
Complies with RoHS directive for restricted substances.
QUALITY DELIVERS VALUE TO OUR CUSTOMERS
Lower Processing Risk
Stable quality reduces rework and downtime.
Better Production Stability
Consistent material ensures stable mass production.
Improved Product Performance
High precision supports high-end applications.
Reduced Material Waste
Precise thickness and flatness minimize loss.
Easier Technical Communication
Clear standards and faster response.
Long-Term Supply Confidence
Reliable quality with long-term partnership.
QUALITY CONTROL FOR 304 & 316L STAINLESS STEEL FOIL
| Parameter | 304 STAINLESS STEEL FOIL | 316L STAINLESS STEEL FOIL |
|---|---|---|
| Chemical Composition | Stable Cr–Ni balance | Low carbon, higher Mo content |
| Corrosion Resistance | Good general corrosion resistance | Superior resistance to pitting & chloride |
| Surface Quality | Bright and clean surface | Higher surface cleanliness requirements |
| Thickness Control | Tight tolerance | Ultra-tight tolerance for critical use |
| Key Applications | General industrial, electronics, appliances | Chemical, medical, marine, high-end applications |
| Quality Priority | Cost-effective & stable supply | High performance & severe environment |
MEETING QUALITY REQUIREMENTS ACROSS INDUSTRIES
New Energy
Battery
Electronics &
Electrical
Medical
Devices
Semiconductor
Chemical
Processing
Automotive &
Aerospace
ADVANCED MANUFACTURING & STRICT QUALITY CONTROL
OUR QUALITY COMMITMENT
At ALTER, quality is more than a process—it is our promise. We are committed to providing ultra-thin stainless steel foil with consistent quality, precise performance, and reliable supply to support our customers’ success.
- Strict raw material control and supplier management
- Advanced equipment and precise process control
- Comprehensive inspection and testing capabilities
- Continuous improvement and innovation
- Customer-first quality service
- Reliable long-term partnership