European Standard Washer - Test Equipment
TheEuropean Standard Washer(EN 14399-compliant) is a high-performance fastening component designed for industrial and automotive applications. It ensures load distribution, vibration resistance, and joint stability in compliance with EU mechanical engineering standards.
Type: High-strength hexagonal flange washer (EN 14399-3)
Material: AISI 304/316 stainless steel (A2/A4 grade)
Applications: Construction machinery, automotive, wind turbines
Key Metrics:
Load Capacity: 120 kN (static), 45 kN (fatigue)
Corrosion Resistance: Salt spray test ≥ 1000h (EN ISO 9227)
Compliance Standards
EN 1090-2 (Structural steel components)
ISO 9001:2015 (Quality management)
REACH SVHC (Chemical safety compliance)
RoHS 2.0 (Heavy metal restriction)
Key Features
Multi-Layer Design:
Flange Plate:Stress distribution optimization
Spring Washer:Vibration resistance (prevents loosening)
Advanced Properties:
Fatigue Strength: 5×10⁶ cycles (EN 13001-3)
Temperature Resistance: -40°C to +300°C
Friction Coefficient: 0.08-0.12 (DIN 51350)
Compliance:
EN 14399-3 (High-strength washers)
ISO 7412 (Hexagon socket head cap screws)
Applications
Automotive:Suspension system fastening
Offshore:Wind turbine bolted joints
Railway:Rail fastener systems
Machinery:CNC equipment alignment
Installation Guidelines
Torque Setting: Use calibrated wrench (refer to VDI 2230)
Surface Prep: Clean threads with brake cleaner
Assembly: Avoid cross-threading
Maintenance
Inspection Interval: Every 500 operating hours
Replacement Criteria: Visible deformation >0.2mm
Technical Specifications
| Parameter | Specifications |
|---|---|
| Material Grade | AISI 316L (ISO 3506) |
| Dimensions | M12-M30 (EN 14399-1) |
| Outer Diameter | 22-50mm (±0.1mm) |
| Thickness | 2.5-4.0mm |
| Load Class | 10.9/12.9 (DIN 912) |
| Surface Treatment | Passivated + PTFE coating |
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