Scope
UIC 519
Railway Wheelset Equivalent Conicity Determination
This test method specifies procedures for determining the equivalent conicity of railway wheelsets, a critical parameter governing vehicle stability and steering behavior on curves. Conicity describes the geometric relationship between wheel profiles and rail geometry, affecting how vehicles negotiate curves and respond to track irregularities. The measurement is essential for wheelset manufacturers, vehicle designers, and track maintenance specialists to ensure stable, safe operation and minimize wear and derailment risk. Accredited testing provides objective verification that wheelsets meet design specifications and regulatory requirements for dynamic safety.
What it measures
- Wheel profile geometry and taper angles
- Equivalent conicity value (λ)
- Wheelset geometric parameters and deviation
- Contact point position relative to wheel center
- Stability characteristics and steering forces
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DIN EN 13262
🇬🇧
BS EN 13262
🇫🇷
NF EN 13262
🇮🇹
UNI EN 13262
🇪🇸
UNE EN 13262
🇳🇱
NEN EN 13262
1,632
Accredited labs
19
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Showing 101–125 of 1,632 labs
Air Surveys
Active
(HSG 248) – 2021
APP 7 based on HSG 248
(PCM) based on HSG 248
(PCM) based on HSG 248)
APP 15 based on HSG 248
+ 2 more
(HSG 248) – 2021
AEC 1 based on HSG 248
(PCM) based on HSG 248
AEC 6 based on HSG 248
Airbus Defence and Space
Active
- Gleichspannung
/ Messgeräte
1 µV
Quellen
> 1 V
+ 3 more
Airtech Analysis
Active
(HSG 248) – 2021
(PCM) based on HSG 248
staining based on HSG 248
(HSG 264, 2012)
Appendix 5 of HSG 227 (2004))
BS ISO 18283:2022
ASTM D2234 (location E)
ASTM D2013 (location B)
BS ISO 5074:2015; and
ASTM D409:2016
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Alleima
Active
DIN EN ISO 6506-1
ASTM E 10-18
DIN EN ISO 6508-1
ASTM E 18-22
DIN EN ISO 6507-1
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Allgäuer Messzentrum
Active
Durchmesser 1 mm
510 mm
Rundheitsabweichung 1 mm
Parallelitätsabweichung
Rundheitsabweichung
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Allied Aerosystems
Active
DC Resistance
2.92 mm systems (continued)
DC VOLTAGE
AC CURRENT
DC Power
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5-Fluorouracil-Toxizität (DPYD)
Cowden-Syndrom (PTEN)
Diffuses Magenkarzinom (CDH1)
Hereditärer Brust- und
Eierstockkrebs (HBOC), (BRCA1, BRCA2, CH
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Cyclosporin A
Everolimus
FK 506 (Tacrolimus)
Sirolimus
6-Methylmercaptopurin
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Fra(X)-Syndrom, FXTAS (FMR1)
Friedreich Ataxie (FXN)
DRPLA (ATN1)
Huntington Krankheit (HTT)
Huntington-like (TBP, JPH3)
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Aldosteron
11-Desoxycorticosteron
11-Desoxycortisol
17-Hydroxypregnenolon
17-Hydroxyprogesteron
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Amentum Clean Energy
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OM H-3 based on ISO 9698:2019
ISO 9696:2017 and ISO
(HSG 248) – 2021
(PCM) based on HSG 248
staining based on HSG 248.
Amentums Materials Testing and Research Laboratory part of Energy Safety and Risk Consultants (UK)
Active
a) BS 7270:2006
b) BS 3518-3:1963 (Withdrawn)
ASTM E1820-18ae1 (Withdrawn)
ISO 6892-2
BS EN ISO 204
+ 2 more
Tensile testing of metallic materials (I
Feuchtemessgrößen 15 %
*) > 30 %
Railway bogies — wheelsets and bogies st
Temperaturmessgrößen
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DIN 19698-1
DIN 19698-2
DIN EN ISO 54321
DIN EN 1744-3
DIN EN 12457-2
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Anchem Laboratories
Active
(HSG 248) – 2021
ANC/AS/2 based on HSG 248
DIN EN 14791
IEC 60519-11
DIN EN 13284-1
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