Stainless Steel 405 Wire
Product Description
FUSHUN METAL's Stainless Steel 405 Wire is a premium ferritic
chromium stainless steel wire offering an exceptional combination
of corrosion resistance, high magnetic permeability, and excellent
weldability. With a carefully controlled chemical composition
featuring approximately 12-14% chromium and aluminum stabilization,
our 405 wire provides superior ferromagnetic properties with
minimal sensitization concerns during welding or high-temperature
exposure. Available in precision diameters down to 0.10mm, this
specialized wire combines moderate corrosion resistance with
thermal stability and dimensional consistency, making it the ideal
choice for demanding applications in automotive exhaust systems,
heat exchangers, furnace components, and magnetic applications.
Unlike martensitic grades, FUSHUN METAL's 405 stainless steel wire
maintains consistent magnetic properties and ductility without
hardening during welding, providing superior fabrication
characteristics for components requiring both corrosion resistance
and magnetic response. Each spool of our 405 wire undergoes
comprehensive quality control to ensure consistent properties,
precise dimensions, and superior surface quality for reliable
performance in your most demanding applications.
Wire Specifications
FUSHUN METAL offers Stainless Steel 405 Wire in a comprehensive
range of specifications to meet diverse application requirements:
Available Wire Diameters
- Ultra-Fine Wire: 0.10 mm to 0.30 mm
- Fine Wire: 0.31 mm to 1.00 mm
- Medium Wire: 1.01 mm to 3.00 mm
- Standard Wire: 3.01 mm to 10.00 mm
Dimensional Tolerances
| Wire Diameter Range | Standard Tolerance | Precision Tolerance (Available on Request) |
|---|
| 0.10 mm - 0.30 mm | ±0.005 mm | ±0.003 mm |
| 0.31 mm - 1.00 mm | ±0.010 mm | ±0.005 mm |
| 1.01 mm - 3.00 mm | ±0.020 mm | ±0.010 mm |
| 3.01 mm - 10.00 mm | ±0.030 mm | ±0.015 mm |
Surface Finishes
- Bright Drawn: Clean, smooth surface with excellent dimensional accuracy
- Annealed: Soft condition with optimal magnetic properties
- Pickled and Passivated: Enhanced corrosion resistance
- Polished: Improved surface finish for decorative or specialized applications
- Custom Finishes: Available upon request for specific applications
Temper Conditions
- Annealed (Soft): Maximum ductility for forming operations
- Quarter Hard: Moderate strength with good formability
- Half Hard: Balanced strength and formability
- Full Hard: Maximum strength for specific applications
- Custom Tempers: Available to meet specific mechanical property requirements
Packaging Options
- Precision Layer Wound Spools: For automated feeding and processing
- Standard Spools: Various sizes available
- Pancake Coils: For specialized applications
- Straight Cut Lengths: Available from 0.5m to 6.0m
- Custom Packaging: Designed to meet specific handling and storage requirements
- Anti-corrosion Packaging: Available for long-term storage protection
Applications
FUSHUN METAL's Stainless Steel 405 Wire is specifically engineered
for applications requiring a combination of corrosion resistance,
magnetic properties, and excellent fabrication characteristics:
Automotive and Transportation
- Exhaust system components and fasteners
- Automotive sensors with magnetic response requirements
- Fuel system components requiring moderate corrosion resistance
- Welded assemblies in vehicle structures
- Catalytic converter support structures
- Heat shields and thermal barriers
- Underbody component fasteners
Electromagnetic Applications
- Solenoid cores and components
- Magnetic sensor housing and components
- Relay parts requiring corrosion resistance
- Electromagnetic valve components
- Motor components requiring corrosion resistance
- Magnetic shielding applications
- Transformer lamination separators
Heat Processing Equipment
- Furnace components and fixtures
- Heat exchanger tubing supports
- Kiln and oven components
- Annealing basket components
- Thermal processing racks
- Welded wire baskets for heat treatment
- Combustion chamber support components
Industrial Equipment
- Welded wire forms requiring magnetic properties
- Filter support structures for moderate corrosion environments
- Screen and mesh applications
- Hardware for food processing equipment
- Fasteners for moderate temperature applications
- Appliance components requiring magnetic properties
- Chemical processing equipment components
Specialty Applications
- Magnetic holding devices requiring corrosion resistance
- Welded structures exposed to moderate corrosion
- Electrical enclosure components
- Medical equipment components requiring magnetic properties
- Instrument parts with combined magnetic and corrosion requirements
- Decorative applications with magnetic functionality
- Welding wire for joining ferritic stainless steels
Chemical Composition
FUSHUN METAL's Stainless Steel 405 Wire features the following
nominal composition:
| Element | Content (%) |
|---|
| Chromium (Cr) | 11.5-14.5% |
| Aluminum (Al) | 0.10-0.30% |
| Carbon (C) | ≤ 0.08% |
| Manganese (Mn) | ≤ 1.0% |
| Silicon (Si) | ≤ 1.0% |
| Phosphorus (P) | ≤ 0.040% |
| Sulfur (S) | ≤ 0.030% |
| Nickel (Ni) | ≤ 0.60% |
| Iron (Fe) | Balance |
Key Element Functions
- Chromium (11.5-14.5%): Provides corrosion resistance through the formation of a passive
chromium oxide layer.
- Aluminum (0.10-0.30%): Acts as a stabilizing element, preventing sensitization and
maintaining ductility after welding or high-temperature exposure.
Key distinguishing element of the 405 grade.
- Low Carbon (≤ 0.08%): Ensures good weldability and minimal carbide precipitation.
- Controlled Nickel Content: Limited to maintain ferritic structure and magnetic properties.
Physical and Mechanical Properties
Our Stainless Steel 405 Wire offers an impressive combination of
physical and mechanical properties that make it ideal for demanding
applications:
| Property | Units | Value |
|---|
| Density | g/cm³ | 7.6 |
| Melting Range | °C | 1480-1530 |
| Electrical Resistivity at 20°C | μΩ·cm | 60 |
| Thermal Conductivity at 20°C | W/m·K | 27 |
| Coefficient of Thermal Expansion (20-100°C) | 10⁻⁶/K | 10.8 |
| Specific Heat at 20°C | J/kg·K | 460 |
| Young's Modulus | GPa | 200 |
| Magnetic Permeability (relative) | - | 600-800 |
| Maximum Service Temperature (continuous) | °C | 620 |
Mechanical Properties by Condition
The mechanical properties of our 405 wire vary by temper condition
to meet diverse application requirements:
| Condition | Tensile Strength (MPa)* | Yield Strength (MPa)* | Elongation (%)* | Hardness* |
|---|
| Annealed | 480-550 | 250-300 | 20-30 | 75-85 HRB |
| Quarter Hard | 550-650 | 400-500 | 15-20 | 85-95 HRB |
| Half Hard | 650-750 | 500-600 | 10-15 | 95-100 HRB |
| Full Hard | 750-850 | 600-700 | 5-10 | 20-25 HRC |
* Values are approximate and may vary depending on wire diameter
and exact processing conditions
Elevated Temperature Properties
Type 405 stainless steel maintains good mechanical properties at
moderately elevated temperatures:
| Temperature | Tensile Strength (% of RT value) | Yield Strength (% of RT value) | Relative Magnetic Permeability |
|---|
| 20°C (Room Temperature) | 100% | 100% | 100% |
| 200°C | 90% | 85% | 90% |
| 400°C | 80% | 75% | 75% |
| 600°C | 65% | 60% | 55% |
| 760°C (Curie Temperature) | 40% | 35% | 0% |
Special Features of FUSHUN METAL's 405 Wire
Our Stainless Steel 405 Wire offers several distinctive advantages
that set it apart from conventional wire products:
Superior Magnetic Properties
Stainless Steel 405 provides excellent magnetic characteristics
combined with corrosion resistance:
- High Magnetic Permeability: Relative permeability values of 600-800, significantly higher than
other common stainless steels.
- Low Coercive Force: Excellent for soft magnetic applications with minimal hysteresis
losses.
- Consistent Magnetic Response: Uniform magnetic properties throughout the material.
- Temperature Stability: Maintains magnetic properties up to approximately 760°C (Curie
temperature).
- Combined Protection: Unique combination of corrosion resistance and strong magnetic
response.
Excellent Fabrication Characteristics
405 stainless steel wire offers outstanding fabrication advantages:
- Superior Weldability: Can be welded without preheat or post-weld heat treatment, with
minimal sensitization concerns due to aluminum stabilization.
- Dimensional Stability: Minimal distortion during welding compared to martensitic grades.
- Formability: Good cold forming characteristics for bending and shaping
operations.
- Consistent Properties: No hardening during welding, unlike martensitic stainless steels,
maintaining consistent mechanical properties throughout fabricated
parts.
- Thermal Stability: Maintains dimensional stability during thermal cycling.
Corrosion Resistance Properties
Type 405 provides good corrosion resistance in many environments:
- Atmospheric Corrosion: Good resistance to normal atmospheric conditions.
- Moderate Chemical Resistance: Performs well in mildly corrosive environments.
- High Temperature Oxidation: Good resistance to scaling and oxidation at elevated temperatures.
- Post-Weld Corrosion Resistance: Maintains corrosion resistance in welded areas better than
non-stabilized ferritic grades.
- Fresh Water Resistance: Good performance in fresh water applications.
Manufacturing Excellence
FUSHUN METAL employs specialized processes to ensure our 405 wire
delivers reliable performance in critical applications:
- Precise Composition Control: Carefully controlled aluminum and chromium content for optimal
properties.
- Advanced Drawing Technology: Specialized drawing techniques to maintain dimensional accuracy
while preserving optimal magnetic properties.
- Enhanced Surface Quality: Rigorous surface inspection and processing to ensure clean,
defect-free wire.
- Consistent Property Control: Advanced process controls to ensure batch-to-batch consistency in
both mechanical and magnetic properties.
- Clean Steel Practices: Specialized melting and refining techniques to minimize
non-metallic inclusions that could affect performance.
Quality Assurance and Testing
Every batch of FUSHUN METAL's Stainless Steel 405 Wire undergoes
rigorous testing to ensure it meets our exacting quality standards:
- Chemical Composition Analysis: Spectrographic testing to verify precise element content, with
special attention to aluminum and chromium levels critical for
performance.
- Mechanical Property Testing: Tensile testing to confirm strength, ductility, and work hardening
characteristics.
- Magnetic Property Verification: Testing of magnetic permeability and related magnetic
characteristics.
- Microstructural Examination: Metallographic analysis to verify proper structure and grain size.
- Surface Quality Inspection: Advanced eddy current and visual inspection systems to detect
surface imperfections.
- Dimensional Verification: Precision measurement throughout production to ensure tight
diameter tolerances.
- Corrosion Testing: Sample testing available for critical applications.
- Ferritic Structure Confirmation: Testing to ensure 100% ferritic structure for consistent magnetic
properties.
Certifications Provided
- Material Test Certificates according to EN 10204 3.1
- Chemical composition analysis
- Mechanical property test results
- Dimensional inspection report
- Magnetic property certification when required
- Special test results available upon request
- Certificate of conformity to ordered specifications
International Standards Compliance
Our Stainless Steel 405 Wire complies with the following
international standards:
| Standard | Designation |
|---|
| ASTM/AISI | 405 |
| UNS | S40500 |
| EN/DIN | 1.4002 (X7CrAl13) |
| JIS | SUS 405 |
| BS | 405S17 |
| SAE | J405 (Grade 51405) |
Handling and Storage Recommendations
To maintain the quality and performance of your Stainless Steel 405
Wire, FUSHUN METAL recommends the following handling and storage
practices:
- Store in a clean, dry environment away from chemical contaminants.
- Maintain original protective packaging until ready for use.
- Avoid contact with carbon steel tools or surfaces to prevent iron
contamination.
- Handle with clean gloves to prevent surface contamination from oils
or salts.
- For welding applications, ensure proper cleaning before and after
welding to maintain corrosion resistance.
- When storing partially used spools, re-seal packaging to protect
from environmental contaminants.
- Avoid prolonged exposure to high-chloride environments which may
cause pitting corrosion.
- For long-term storage, consider additional protective measures such
as moisture barrier packaging.
Comparative Advantages over Other Stainless Steel Grades
Understanding how 405 stainless steel wire compares to other grades
helps in selecting the optimal material for your application:
| Property | 405 (Ferritic) | 410 (Martensitic) | 430 (Ferritic) | 304 (Austenitic) |
|---|
| Distinguishing Feature | Al-stabilized Ferritic | Heat Treatable | Standard Ferritic | Non-magnetic Austenitic |
| Magnetic Properties | Excellent | Good | Good | Non-magnetic |
| Weldability | Excellent | Fair | Good | Excellent |
| Post-weld Properties | Maintains ductility | Becomes hardened | May sensitize | Maintains ductility |
| Corrosion Resistance | Moderate | Moderate | Good | Excellent |
| Heat Treatability | Cannot be hardened | Can be hardened | Cannot be hardened | Cannot be hardened |
| High Temperature Stability | Good | Fair | Good | Excellent |
| Typical Applications | Magnetic with good weldability | Hardened components | General purpose ferritic | Non-magnetic corrosion resistant |
Customization Capabilities
FUSHUN METAL offers extensive customization options to meet your
specific application requirements:
- Custom Diameters: Special sizes manufactured to exact specifications for your
application.
- Specialized Surface Finishes: Surface treatments to enhance performance characteristics or
appearance.
- Modified Mechanical Properties: Customized drawing and annealing practices to achieve specific
mechanical property combinations.
- Optimized Magnetic Properties: Processing adjustments to enhance magnetic performance for
specialized applications.
- Special Packaging: Customized packaging for protection during shipping and storage.
- Specialized Testing: Application-specific testing protocols available upon request.
- Cut-to-Length Service: Precision cutting to customer-specified lengths.
- Technical Consultation: Expert metallurgical support for your specific application
challenges.
Why Choose FUSHUN METAL for 405 Stainless Steel Wire
When you select FUSHUN METAL as your supplier for Stainless Steel
405 Wire, you partner with a leading manufacturer committed to
excellence:
- Specialized Expertise: Deep experience in ferritic stainless steel wire production, with
particular focus on maintaining optimal magnetic properties.
- Advanced Production Facilities: State-of-the-art melting, drawing, and annealing equipment
specifically optimized for ferritic stainless steels.
- Stringent Quality Control: Comprehensive testing and inspection protocols ensure consistent
performance in demanding applications.
- Metallurgical Knowledge: In-depth understanding of the unique characteristics and
processing requirements of aluminum-stabilized ferritic stainless
steels.
- Supply Chain Reliability: Robust inventory management and production planning to ensure
consistent availability of critical materials.
- Technical Support: Expert assistance in material selection, fabrication guidance, and
application support.
- Global Capabilities: Worldwide shipping network with experience in international
documentation and compliance.
- Material Traceability: Complete documentation and batch traceability for quality
assurance.
- Continuous Improvement: Ongoing research and development in ferritic stainless steel
processing and performance.
- Industry Compliance: Materials and processes that meet or exceed international
standards for critical applications.
Request Information
Contact FUSHUN METAL today to discuss your Stainless Steel 405 Wire
requirements. Our technical team is ready to assist you with:
- Detailed product specifications
- Technical consultations for your specific application
- Guidance on welding and fabrication best practices
- Custom wire development for specialized requirements
- Pricing inquiries and delivery schedules
- Sample requests for evaluation
FUSHUN METAL – Your trusted partner for premium ferritic stainless
steel wire solutions that deliver consistent quality, superior
magnetic properties, and reliable performance in demanding
applications requiring both corrosion resistance and magnetic
response.
