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
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BS EN 13262
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NF EN 13262
🇮🇹
UNI EN 13262
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UNE EN 13262
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NEN EN 13262
1,632
Accredited labs
19
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Showing 576–600 of 1,632 labs
HFB Engineering
Active
DIN EN ISO 10666
DIN 53438-3
rs738409
DIN EN 1382
DIN EN 1383
+ 3 more
Gleichspannung a)
/ Messgeräte
> 600 kV
Messsysteme, Teiler
> 5 kV
+ 3 more
IEC 61000-4-2: 2008
VDE 0847-4-2
IEC 61000-4-4: 2012
VDE 0847-4-4
IEC 61000-4-5: 2005
+ 3 more
HLK Stuttgart
Active
DIN EN 442-2
DIN EN 16430-1
DIN EN 16430-2
DIN EN 16430-3
DIN 4703-3
+ 3 more
HOP'LAB
Active
NF X43-050 (parties utiles de
NF X 43-050
NF X43-050 (parties utiles de la
HORIBA MIRA
Active
IEC/CISPR 25
DIN EN 55025: 2018
ISO 7637-2
ISO 11451-1
IEC/CISPR 12
+ 3 more
HSL Compliance
Active
(HSG 248) – 2021
M003 based on HSG 248
(PCM) based on HSG 248
M002based on HSG 248
HSG 227 (2004))
+ 2 more
HYDAC Systems & Services
Active
Gleichspannung 0 µV
Messgeräte > 20 mV
Messgeräte > 200 mV
> 2 V
> 20 V
+ 3 more
HaBu Hauck Prüftechnik
Active
Härte *) 20 HRA
Härtevergleichsplatten 20 HRB
nach Rockwell Verfahren 20 HRC
40 HRD
60 HRF
+ 3 more
Hampshire Scientific Service
Active
(HSG 248) - 2021
ASB/SOP/OM8 based on HSG 248
ASB/SOP/OM6 based on HSG 248
DIN EN 12697-11
on BS 4401:Part 3:1970(1986)
+ 3 more
Hartford Steam Boiler UK
Active
BS 2790 - Specification for the design a
BS 1113 - Specification for the design a
BS EN 13480 Parts 1 to 8 - Metallic
EN 13445 – Parts 1 to 10 Unfired pressur
BS EN ISO 15614 and ASME IX
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automatische Zelldifferenzierung
Erythrozyten
Leukozyten
Retikulozyten
Thrombozyten
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(HSG 264, 2012)
and Appx. 3 of HSG 227 (2004))
Executive guides HSG 264 (2012)
DIN EN 13727
DIN EN 13624
DIN EN 17126
DIN EN 1040
DIN EN IEC 60601-2-75
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Absolutdruck p
abs
> 41 bar
Negativer und
positiver Überdruck
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Hessische Eichdirektion
Active
Masse * 1 mg
konventioneller 2 mg
Wägewert/ Masse
> 5 mg
10 mg
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Gelenkarm- Koordinatenmessgeräte mit
taktiler Antastung einem Durchmesser
≤ 4500 mm
Lasertracker
Prismatische Werkstücke Koordinatenmessg
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Heywood Williams Components
Active
DIN EN 1026
DIN EN 12046-2
BS 6375-1:2015 + A1:2016 and the
DIN EN 1027
DIN EN 1629
+ 3 more
Hohenstein India Pvt.
Active
ISO 105-N01
DIN EN ISO 105-B02
DIN EN ISO 105-B07
DIN EN ISO 105-C06
DIN EN ISO 105-C08
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Hohenstein Laboratories (HK)
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DIN EN ISO 105-A01
DIN EN 20105-A02
DIN EN ISO 105-A03
DIN EN ISO 105-B02
DIN EN ISO 105-B07
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Hohenstein Laboratories
Active
DIN 53160
DIN 54034
DIN 54056
DIN EN 20105-A02
DIN EN 20105-N01
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Taupunkttemperatur
thermometer, -80 °C bis
Railway braking — urban guided transport
> -35 °C bis
Temperatur- −35 °C bis
+ 3 more
Horiba Europe
Active
0,6 bar
ver Überdruck p e *
Absolutdruck p abs 100 mbar
> 70 mbar
Gaskonzentration
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