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European Standard Washer

I. Product Overview

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)

II. Technical Specifications

ParameterSpecifications
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

III. 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)

IV. Compliance Standards

  • EN 1090-2 (Structural steel components)
  • ISO 9001:2015 (Quality management)
  • REACH SVHC (Chemical safety compliance)
  • RoHS 2.0 (Heavy metal restriction)

V. Applications

  1. Automotive:Suspension system fastening
  2. Offshore:Wind turbine bolted joints
  3. Railway:Rail fastener systems
  4. Machinery:CNC equipment alignment

Installation Guidelines

  1. Torque Setting: Use calibrated wrench (refer to VDI 2230)
  2. Surface Prep: Clean threads with brake cleaner
  3. Assembly: Avoid cross-threading

Maintenance

  • Inspection Interval: Every 500 operating hours
  • Replacement Criteria: Visible deformation >0.2mm

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