UIC 644

Railway Coach Bogie Behavior Assessment

This standard specifies the behavior and performance requirements for Y25 bogie type coaching stock bogies, focusing on derailment resistance, curving performance, and stability characteristics. It provides test methods and acceptance criteria for evaluating bogie performance through simulation, calculation, and track testing to ensure safe operation across varying track geometries and speeds. Compliance verification is mandatory for coach manufacturers, bogie suppliers, and infrastructure operators to maintain interoperability and prevent accidents. Accredited testing ensures comprehensive evaluation against standardized criteria, reducing operational risks and supporting evidence-based vehicle certification.

What it measures

  • Derailment coefficient and safety margin against derailment
  • Lateral and vertical wheel loads on curves
  • Curve-climbing behavior and stability
  • Dynamic response to track irregularities and switches
  • Forces on bogie frame and guidance components
🇩🇪 DIN EN 14363 🇬🇧 BS EN 14363 🇫🇷 NF EN 14363 🇮🇹 UNI EN 14363 🇪🇸 UNE EN 14363 🇳🇱 NEN EN 14363
1,632 Accredited labs
19 Countries

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ENAC LE154 Gijón, ES
ASTM E 415 UNE-EN ISO 15350 ASTM E 1086 UNE-EN 10276-2 UNE-EN ISO 15351 + 3 more
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FUNDACIÓN PARA LA INVESTIGACIÓN, DESARROLLO Y APLICACIÓN DE MATERIALES COMPUESTOS

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ENAC LE2107 Getafe, ES
ISO 6721-1 ISO 11357-5 ISO 6721-11 ISO 11357-1 ASTM E2602 + 3 more
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ENAC LE024 Derio, ES
UNE-EN 772-20 UNE-EN 772-13 UNE-EN 772-1 UNE-EN 772-21 UNE-EN 772-3 + 3 more
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Mato Nagel Zentrum für Nephrologie und Stoffwechsel Molekulargenetisches Labor

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DAkkS D-ML-13133-01-01 Weißwasser, DE
Abetalipoproteinämie (MTTP) Achondroplasie (FGFR3) Acoeruloplasminämie/Hypocoerulo plasminämie (CP) ACTH-unabhängige makronoduläre + 3 more
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Fibre Clear Consulting

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UKAS 1780 Wickford, GB
M002based on HSG 248 (HSG 248) – 2021 (PCM) based on HSG 248
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First Environment

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UKAS 0166 Cannock, GB
(HSG 264, 2012) on BS 8580-1:2019 and ACoP L8
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FlexSpect

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RvA I305 Tilburg, NL
#EN ISO 5164:14 # EN 116-97 #ISO 12185 NEN 4400-2 # ISO 13736 + 3 more
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Fluke Deutschland

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DAkkS D-K-15123-01-00 Köln, DE
- Gleichspannung Normale Messgeräte und Quellen 10 µV > 10 V > 100 V + 3 more
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Fluke Precision Measurement

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UKAS 0183 Norwich, GB
Frequenc 220 mV range FREQUENCY 10 Hz to 100 kHz difference from 10 % to 100 % of the sta 6105A control 0° to 360° + 3 more
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Fogra Forschungsinstitut für Medientechnologien

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DAkkS D-PL-11164-01-00 Aschheim, DE
DIN 32753-1
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Ford-Werke GmbH Kalibrierlaboratorium

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DAkkS D-K-15088-01-00 Köln, DE
flexiblen Akkreditierungsbereich. Beschleunigung * 10 m/s Beschleunigungsaufnehmer Beschleunigungsaufnehmer 10 m/s digital (DTI) + 3 more
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Forensic Science Northern Ireland

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UKAS 1497 Carrickfergus, GB
ISO Mark Casting (TS5527)
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Foundation Medicine

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DAkkS D-ML-21105-01-01 Penzberg, DE
(somatische genetische ACVR1B, AKT1, AKT2, AKT3, ALOX12B, AMER1 GATA3, GATA4, GATA6, GID4, GNA11,GNA13, CHEK2, CHIC2, CHN1, CIC, CIITA IRF8, IRS2, ITK, JAK1, JAK2, JAK3, JARID + 3 more
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Fourbridge Consulting

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UKAS 9875 Benfleet, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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Fourstage Environmental

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UKAS 2671 Castle Donington, GB
(HSG 248) – 2021 (PCM) based on HSG 248 DOC/002 based on HSG 248
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Framatome GmbH "Radiochemische Analyse", "Chemische Analyse", "Inkorporationsüberwachung"

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DAkkS D-PL-21039-04-04 Erlangen, DE
DIN EN ISO 10304-1 DIN EN ISO 11885 DIN EN ISO 15350 DIN EN ISO 15351 DIN EN ISO 17294-2 + 3 more
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Framatome GmbH Kalibrierlaboratorium

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DAkkS D-K-21039-01-00 Erlangen, DE
- Gleichspannung Messgeräte 0,33 V bis < 3,3 V 330 V Quellen > 0,1 V + 3 more
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Franks Portlock Consulting

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UKAS 4155 Sunderland, GB
5 of HSG 227 (2004) (HSG 264, 2012)
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Franz Wohl & Partner Prüfmaschinen

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DAkkS D-K-17452-01-00 Schalkau, DE
Kraft (WPM) 30 N Vibration measuring instruments — test m maschinen nach DIN Kraft * 10 N Acoustics — tonality assessment (DIN 456 + 3 more
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Fraunhofer-Institut für Holzforschung, Wilhelm-Klauditz-Institut WKI Qualitätsprüfung und -bewertung

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DAkkS D-PL-11140-14-00 Braunschweig, DE
DIN ISO 16000-3 DIN EN ISO 12460-3 DIN EN ISO 12460-4 DIN EN ISO 12460-5 100 HV 120 + 3 more
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Fraunhofer-Institut für Solare Energiesysteme ISE CalLab PV Modules

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DAkkS D-K-11140-02-00 Freiburg, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Kurzschlussstrom Solarmodule 16 mA Gleichstrom- und Nieder- 10 mV + 3 more
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Freiburg Medical Laboratory Middle East (L.L.C)

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DAkkS D-ML-13455-01-00 Dubai, AE
HbF HbA1c HbA2 HBB/HBD Anti-HBs + 3 more
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Fugro GB

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UKAS 0919 Wallingford, GB
BS 1377: Part 2: 1990 BS 1377-3:2018 + A1:2021 ASTM D4186-12: 2020 ASTM D5334-22 ASTM D2216-19 + 3 more
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Full Circle Compliance

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UKAS 10287 Chelmsford, GB
(HSG 264, 2012)
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Furness Controls

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UKAS 0580 Bexhill, GB
FLOW Gas pressure (absolute) Gas pressure (gauge) DC CURRENT TEMPERATURE + 3 more
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Industries

Coach and passenger vehicle manufacturers Bogie and suspension system suppliers Railway operators and depot maintenance Track infrastructure and maintenance organizations Vehicle type approval and certification bodies

Related Standards

  • UIC 518 Railway applications — Tests for the acceptance of running characteristics of railway vehicles
  • EN 14363 Railway applications — Running gear — Testing and validation of running behaviour and safety
  • UIC 505-1 Railway vehicles — gauge limits — Part 1: Rolling stock

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