Rail demands exceptional service life (30–40 years) on components subjected to millions of fatigue cycles — axles, bogies, passenger structures, railway bridges. Axle shot peening and HFMI on critical welds are industry standards.
SNCF · Alstom · Siemens Mobility · Stadler · DB — EN 15085 · NF F 01-801
Railway
Industries — Railway
Shot peening of axles, HFMI of bogie welds, shot blasting of passenger car structures and railway bridges. Life extension of TGV and rolling stock. EN 15085, DIN 6700, NF F 01-801 compliant.
Processes applied in this sector
NADCAP
shot peening
AMS 2430 · AMS 2432 · Mil-S-13165
hfmiHigh Frequency Mechanical Impact
IIW 2016 · DIN 50100 · EN ISO 9013
needle-peeningneedle peening
DIN EN 1011-2
shot-blastingshot blasting
SSPC-SP · ISO 8501-1
Clients & OEMs (examples)
SNCF · Alstom · Siemens Mobility · Stadler · DB · Hitachi Rail · CAF
Standards & specifications
EN 15085DIN 6700NF F 01-801
Common industry challenges
- ▸ fatigue essieux
- ▸ fatigue soudures bogies
- ▸ corrosion structures voyageurs
- ▸ ponts & ouvrages d'art
Context and positioning
Context and positioning
Typical operations
Typical operations
Shot peening of axles and shafts
Automated process on production lines, intensity and coverage per EN 13261.
HFMI on bogie and frame welds
S355-S460 steels, compliant with EN 15085.
Shot blasting of passenger structures
Surface preparation prior to industrial painting.
Peening and reinforcement of railway bridges
Intervention on existing infrastructure, localized reinforcement.
OEM standards and specifications
OEM standards and specifications
- ▸ EN 13261 — Axles and shafts
- ▸ EN 15085 — Railway welding
- ▸ DIN 6700 — Welding of rolling stock
- ▸ NF F 01-801
Why Kronos in this sector
Why Kronos in this sector
References with Alstom, Stadler, Siemens Mobility, SNCF. In-depth knowledge of European rail ecosystem requirements.
Frequently asked questions
Frequently asked questions
Is HFMI accepted for railway bridge repair?+
Yes, per EN 1993-1-9 with documented fatigue reclassification. Intervention during night-time possession windows is feasible.
A project in
Railway?
Railway?