EN 1303:2015 Digit 6: Corrosion Class C and Temperature Cycling Protocols
Engineering Overview: Engineering breakdown of EN 1303 Digit 6 Class C, requiring 96-hour neutral salt spray and thermal shock testing from -20°C to +80°C.
Technical & Engineering Specifications
| Rating | Class C (Highest Environmental Resilience) |
|---|---|
| Temperature Range | -20°C to +80°C Thermal Shock Cycling |
| Standard Reference | EN 1303:2015 Section 4.7 (Digit 6) |
| Salt Spray Exposure | 96 Hours Neutral Salt Spray (NSS) |
Environmental Resilience Benchmark
In EN 1303:2015, Digit 6 evaluates environmental corrosion and extreme temperature performance.
Class C Testing Protocol
- 96-Hour Neutral Salt Spray (EN 1670): 5% NaCl solution exposure with zero functional corrosion.
- Thermal Shock Cycling: Cycled between -20°C and +80°C, maintaining key operating torque < 1.5 N·m.
Frequently Asked Engineering & Selection Questions
Q1: What are the requirements for EN 1303 Corrosion Class C?
The cylinder must survive 96 hours of salt spray and operate smoothly across temperatures from -20°C to +80°C with torque under 1.5 N.m.