European standard shrinkage testing machine

Product Overview

The European 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