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

Showing 251–275 of 347 labs

UKAS 0247 Burnham-on-Crouch, GB
TEMPERATURE Viscosity constant ‘C’ Reference viscometers: ASTM D4052 (Digital density
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UKAS 1509 Llandrindod Wells, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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UKAS 0325 Tamworth, GB
External (Tip) Diameter Helix (lead) total deviation (F GEARS SPUR/HELICAL EXTERNAL (cont’d) As for Involute Spline Gauges
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UKAS 1817 Bangor, GB
ISO 6579-1 ISO 15213-2 ISO 11290-1 ISO 7932 F100 based on BS EN ISO + 3 more
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UKAS 0683 Harrogate, GB
DC CURRENT Measurement DC VOLTAGE AC Current Generation DC RESISTANCE (cont’d) + 3 more
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UKAS 2705 Dundonald, GB
(HSG 248) – 2021 (PCM) based on HSG 248 QSOP 03 based on HSG 248
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UKAS 2594 Margam, GB
ÖNORM EN ISO 17637 BS EN ISO 15614-1:2017 ASTM A 370 DIN EN 10080 BS EN ISO 9015-1:2011 + 3 more
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UKAS 23462 Coventry, GB
Analysts’ Guide (HSG 248) (PCM) based on HSG 248
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Ramcare

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UKAS 0505 Lancing, GB
DC CURRENT DC VOLTAGE thermometer Pt100 ROTATIONAL SPEED Generate + 3 more
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Renishaw

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UKAS 4312 Wotton-under-Edge, GB
volume (CMM’s)
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UKAS 0720 Birmingham, GB
(Steel and tungsten carbide) LENGTH (cont’d) pneumatic tyres (See Note 1) LENGTH (cont.) Plain plug gauges (taper) + 3 more
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UKAS 0245 Denton, GB
(HSG 264, 2012) HSG 264 (2012) and Appx. 3 of HSG 227 (2004)) Appendix 5 of HSG 227 (2004))
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UKAS 4087 Hextable, GB
(HSG 248) – 2021 OP11 based on HSG 248 (PCM) based on HSG 248 OP04 based on HSG 248
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UKAS 0296 Hextable, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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UKAS 27441 Elsworth, GB
(HSG 264, 2012)
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SARIA

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UKAS 2648 Doncaster, GB
AM-01 based on BS 4401:Part 1: AM-32 based on BS 4401:Part 4: AM-03 based on BS ISO 937:2023 AM-04 based on BS ISO AM-31 based on BS EN ISO + 3 more
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UKAS 0248 Kettering, GB
ISO 4931:1986 (withdrawn) ISO 3759:1984 (withdrawn) DIN EN 13759 DIN EN 12150-1 DIN EN ISO 15797 + 3 more
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UKAS 0131 South Wirral, GB
Joint IP/ASTM methods marked IP 195*ASTM D1078 ASTM D847 by titration ASTM D848 ASTM D 1353 + 3 more
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UKAS 0244 Broadlands, GB
(HSG 248) – 2021 ASB/SOP/OM8 based on HSG 248 (PCM) based on HSG 248
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UKAS 4412 Colbourne Crescent, GB
CHEM014 based on BS 4401 based on BS 4401 Part 4:1970 CHEM018 based on BS 4401 CHEM023 based on BS 4401- ISO 6579-1 + 3 more
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UKAS 1549 Bar Hill, GB
Method CBG-M-SOP-027 based on BS EN ISO AM01 based on BS EN ISO 4833-1: 2) Method CBG-M-SOP-038 based on BS ISO ISO 10272-2 Method CBG-M-SOP-007 based on BS EN ISO + 3 more
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UKAS 0820 South Wirral, GB
MPV Thrombozytenvolume Gas meters Power meter method LENGTH Waterdraw Method + 3 more
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UKAS 0032 Oldbury, GB
BS EN 286 - Simple unfired pressure BS EN 13445 Unfired pressure BS EN13480 Metallic industrial BS EN 12953 Shell boilers BS EN BS EN 12952 Water-tube + 3 more
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UKAS 31703 Eastbourne, GB
Surveying) based on HSG 248
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UKAS 1089 Burton-on-Trent, GB
(HSG 248) – 2021 SCI/ASB/003 based on HSG 248 (PCM) based on HSG 248 SCI/ASB/001 based on HSG 248
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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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