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
🇩🇪 DIN EN 13262 🇬🇧 BS EN 13262 🇫🇷 NF EN 13262 🇮🇹 UNI EN 13262 🇪🇸 UNE EN 13262 🇳🇱 NEN EN 13262
1,632 Accredited labs
19 Countries

Showing 776–800 of 1,632 labs

COFRAC 1-0551 Laon Cedex, FR
DIN ISO 11466 NF X31-120 DIN EN ISO 11885 NF X31-147 DIN EN 16175-1 + 3 more
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COFRAC 1-1046 Les Ponts De Ce, FR
NF V08-401 DIN EN ISO 6888-2 DIN ISO 16649-2 BS ISO 15214:1998 NF V08-409 + 3 more
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COFRAC 1-1105 Serres-Castet, FR
DIN EN 10002-1 ASTM E8/E 8M ASTM A 370 NF EN ISO 6892-1 (méthodes A1, A2 et DIN EN 2002-001 + 3 more
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COFRAC 1-1021 Saint Beauzire, FR
ISO 14698-1 DIN EN ISO 17141 DIN EN 12469 DIN EN ISO 11138-2 DIN EN ISO 11737-2 + 3 more
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COFRAC 1-6990 La Ciotat, FR
DIN EN 13624 DIN EN 13727 DIN EN ISO 11930 DIN EN 17387 DIN EN ISO 22717 + 3 more
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COFRAC 1-1979 Limoges, FR
NF V 04-407 DIN EN ISO 6888-1 NF V04-403 0.95) based on BS ISO 21527-2:2008 DIN EN ISO 6888-2 + 3 more
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COFRAC 1-0019 Loos Lès Lille, FR
DIN EN 14562 DIN EN ISO 16212 DIN EN 14349 DIN EN ISO 18416 DIN EN 14563 + 3 more
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COFRAC 1-1847 Lyon 7Eme, FR
DIN EN 10002-1 BS ISO 9227:2022 DIN EN ISO 643 EN ISO 12624 DIN EN 10045-1 + 3 more
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ENAC LE609 Abegondo, ES
UNE 77324 ISO 23318 UNE 77325 ISO 10390 UNE 77308 + 3 more
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ACCREDIA 00789 Mazzarino, IT
DIN EN 15634-1 DIN EN ISO 15587-1 NF EN ISO-15587-2 ISO 14189 EPA 5030 + 3 more
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ENAC LC10.102 Burgos, ES
CEM ME-003 EURAMET cg-18 UNE 82503 CEM DI-020 CEM DI-005 + 3 more
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ENAC LE130 Madrid, ES
DIN EN 60335-2-51 DIN EN 60335-2-43 IEC 62054-21 IEC 60335-2-51 DIN EN 60335-2-99 + 3 more
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ACCREDIA 00065 Torino, IT
AOAC 985.29 1986 AOAC 2012.01 2016 ISO 1871 ISO 11443 ISO 937 + 3 more
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ENAC LE299 Santander, ES
UNE-EN 124-5 UNE-EN ISO 945-1 UNE-EN 124-1 UNE-EN 124 UNE-EN ISO 15630-3 + 3 more
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ENAC LC10.110 Vilanova i la Geltrú, ES
CEM DI-021 CEM DI-008 EURAMET CG-10 CEM DI-005 EURAMET CG-6 + 2 more
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ENAC LC10.002 Madrid, ES
nach DIN EN ISO 3650:1999 EURAMET CG-6 ISO 5436-1 CEM DI-013 CEM DI-012 + 3 more
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ENAC LE1260 Cáceres, ES
UNE-EN ISO 10704 UNE-EN ISO 10703 EPA 903.0 EPA 909.0 ISO 13161 + 3 more
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ENAC LC10.052 San Cibrao das Viñas, ES
CEM DI-025 CEM DI-018 UNE-EN ISO 21920-3 CEM DI-009 CEM DI-003 + 3 more
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ENAC LE1340 San Ginés, ES
UNE-EN ISO 7887 UNE-EN ISO 17852 UNE-EN ISO 8467 ISO 7150-1 SM 2510 B + 3 more
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ENAC LC10.195 Paterna, ES
ISO 5-3 ISO 2813 UNE-EN ISO 9342-1 UNE-EN ISO 8598-1 ISO 3664 + 3 more
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ENAC LE1116 Fuenlabrada, ES
UNE 10523 UNE 27888 UNE 7027-1 ISO 23695 UNE-EN ISO 9308-1 + 3 more
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ENAC LE1322 Burguillos, ES
UNE-EN 7027-1 UNE-EN ISO 10523 SM 2520 B UNE EN 27888 UNE-EN 872 + 3 more
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COFRAC 1-7045 Sete, FR
NF X 43-050 (parties utiles NF X 43-269 NF X 43-050
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DAkkS D-PL-19182-02-01 Quakenbrück, DE
DIN EN ISO 105-B02 DIN EN ISO 105-006 DIN EN ISO 105-008 DIN EN ISO 105-D01 DIN EN ISO 105-E01 + 3 more
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COFRAC 1-1734 La Capelle, FR
DIN EN ISO 8968-1 DIN 19662 DIN EN ISO 5534 DIN EN ISO 8968-4 DIN EN ISO 5764 + 3 more
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Industries

Wheelset and bogie manufacturing Rolling stock design and engineering Track maintenance and infrastructure management Vehicle certification and type approval Railway research and development

Related Standards

  • UIC 510-2 Railway vehicles — Running gear — Wheels and wheelsets — Part 2: Definitions and gauges
  • EN 13262 Railway applications — Wheelsets and bogies — Safety requirements for wheels
  • UIC 644 Railway — behaviour of coach bogies — Y25 bogie type

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