54SiCr6 STEEL
- High grade chrome silicon steel for maximum strength and elasticity.
01MATERIAL SCIENCE
SEE TESTING METHODOLOGY
54SiCr6 SPRING STEEL. 2M CYCLE FATIGUE.
HIGH TENSILE STRENGTH
Up to 2200 MPa
FATIGUE LIFE
2,000,000+ cycles
CORROSION RESISTANCE
720h salt spray
PRECISION ENGINEERING
CNC-machined ends
01ENGINEERING PHILOSOPHY
EVERY SPRING STARTS WITH A QUESTION.
We analyze vehicle dynamics, weight distribution, suspension geometry and driving characteristics to define the ideal spring rate, ride height and performance balance.
VEHICLE WEIGHT & BALANCE
SUSPENSION GEOMETRY
CENTER OF GRAVITY
SPRING RATE CALCULATION
DRIVING CHARACTER
02MATERIAL SCIENCE
THE MATERIAL DEFINES THE RESULT.
Only premium materials and advanced processes deliver the strength, durability and reliability we promise.
HEAT TREATMENT
- Precision heat treatment optimizes strength and fatigue resistance.
SHOT PEENING
- Enhances surface strength and increases resistance to fatigue.
POWDER COATING
- Advanced coating for superior corrosion protection and a premium finish.
03DESIGN & SIMULATION
DESIGNED BEFORE IT'S BUILT.
Advanced software and engineering expertise allow us to simulate, analyze and optimize every detail before the first prototype is produced.
CAD DESIGN
3D modeling for precise geometry and fitment.
FEA SIMULATION
Finite Element Analysis for stress and deformation prediction.
STRESS ANALYSIS
Detailed analysis ensures optimal strength and long life.
OPTIMIZATION
Geometry and material optimization for ideal performance.
PROTOTYPE
Prototypes built for validation and testing.
04TESTING PROTOCOL
EVERY SPRING EARNS ITS PLACE.
We test beyond industry standards to ensure long-term reliability and consistent performance in the real world.
MATERIAL TEST
Chemical composition and mechanical property analysis.
FATIGUE TEST
Up to 2,000,000+ cycles to ensure maximum durability.
LOAD TEST
Spring rate and load characteristics measurement.
SALT SPRAY TEST
720h salt spray test to guarantee superior corrosion resistance.
ROAD TEST
Real-world testing in various conditions and vehicles.
FINAL VALIDATION
Every batch is validated before it becomes a STENS product.
05PERFORMANCE METRICS
PERFORMANCE YOU CAN MEASURE.
Numbers that represent our commitment to quality and engineering excellence.
Premium chrome silicon steel
Exceptional strength for high performance
Cycles tested for long-term reliability
Corrosion resistance validated
Reliable performance in extreme conditions
Designed and produced with European quality
06WHAT MAKES STENS DIFFERENT
DETAILS THAT MAKE THE DIFFERENCE.
VEHICLE-SPECIFIC DESIGN
Every spring is developed specifically for each vehicle platform.
PROGRESSIVE SPRING RATES
Optimized for the perfect balance of comfort and control.
LABORATORY VALIDATION
Extensive lab testing to ensure consistency and reliability.
REAL-ROAD TESTING
Tested in the real world on different roads and conditions.
PREMIUM MATERIALS
Only the finest materials for unmatched strength and longevity.
EUROPEAN ENGINEERING
Engineered in Europe to meet the highest quality standards.
07FROM LAB TO ROAD
TESTED IN THE LAB. TRUSTED ON THE ROAD.
From simulation to real-world validation, we never stop testing so you can drive with total confidence.
EXPLORE STENS PRODUCTS
LABORATORY TESTING
REAL-WORLD PERFORMANCE