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
🇧🇪 NBN EN 13262 🇩🇪 DIN EN 13262 🇬🇧 BS EN 13262 🇫🇷 NF EN 13262 🇮🇹 UNI EN 13262 🇪🇸 UNE EN 13262 🇳🇱 NEN EN 13262
3,987 Accredited labs
21 Countries

Showing 201–225 of 1,200 labs

BIOS77 SRL

Active
ACCREDIA 00711 San Giovanni Rotondo, IT
DIN EN 27888 ISO 18787 ISO 4832 ISO 21527-1 ISO 21527-2 + 3 more
View Profile

BIOSAN srl

Active
ACCREDIA 00674 Vasto, IT
*6058821, CDH1 [OMIM *1920901 ISO 4832 DIN EN ISO 11290-1 DIN EN ISO 11290-2 DIN EN ISO 16649-3 + 3 more
View Profile
ACCREDIA 02204 Concordia Sagittaria, IT
APAT CNR IRSA 2060 Man 29 2003 APAT CNR IRSA 1030 Man 29 2003 APAT CNR IRSA 4080 Man 29 2003 APAT CNR IRSA 6010 Man 29 2003 Rapporti ISTISAN 2007/31 pag 45 Met
View Profile

BLUECHEMICAL

Active
ACCREDIA 00586 Lucca, IT
DIN EN ISO 11885 DIN EN ISO 10523 DIN EN 14346 DIN EN ISO 10304-1 DIN EN 12457-2 + 3 more
View Profile
ACCREDIA 00663 Magnago, IT
DIN EN ISO 4833-1 DIN EN ISO 21528-2 DIN EN 12880 DIN EN ISO 11885 DIN EN 12457-4 + 3 more
View Profile
ACCREDIA 00201 Prato, IT
DIN EN 20105 DIN EN 137 DIN EN ISO 11885 DIN EN 13759 DIN EN ISO 14362-1 + 3 more
View Profile
ACCREDIA 00551 Cormons, IT
OIV-MA-AS313-02 R2015 OIV-MA-AS2-04 R2009 OIV-MA-AS323-04B R2009 OIV-MA-AS2-03B R2012 OIV-MA-AS313-15 R2011 + 3 more
View Profile
ACCREDIA 00662 Palermo, IT
ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 DIN EN ISO 7932 + 3 more
View Profile
ACCREDIA 00143 Ascoli Piceno, IT
ISO 3656 ISO 15214 DIN EN 14389 DIN EN ISO 15587-2 DIN EN 13657 + 3 more
View Profile
ACCREDIA 00097 Vercelli, IT
DIN EN 62196-1: 2015 DIN EN 196-2 DIN EN 196-3 DIN EN 196-5 DIN EN 197-1 + 3 more
View Profile

BYTEST

Active
ACCREDIA 00515 Volpiano, IT
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) Technical cleanliness of fluid system co DIN EN ISO 6506-1 DIN EN ISO 6507-1 + 3 more
View Profile

Best Srl

Active
ACCREDIA 01119 Santa Croce sull'Arno, IT
DIN EN 27888 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
View Profile
ACCREDIA 01395 Pavia, IT
DIN EN ISO 16212 DIN EN ISO 18416 DIN EN ISO 21149 DIN EN ISO 21150 DIN EN ISO 22717 + 3 more
View Profile
ACCREDIA 01019 Isera, IT
ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 + 3 more
View Profile
ACCREDIA 00602 Pontedera, IT
ISO 4832 ISO 21527-1 ISO 21527-2 ISO 11731 ISO 16649-2 + 3 more
View Profile

Biocentro

Active
ACCREDIA 00821 Mercato San Severino, IT
ISO 4832 DIN EN ISO 6579-1 ISO 11731 DIN EN ISO 6888-1 ISO 16649-2 + 3 more
View Profile

Biocheck

Active
ACCREDIA 00736 Bologna, IT
ISO 18787 ISO 4832 ISO 15214 DIN EN ISO 4833-1 DIN EN ISO 6579-1 + 3 more
View Profile
ACCREDIA 00671 Cosenza, IT
ISO 4832 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 11290-1 DIN EN ISO 11290-2 + 3 more
View Profile
ACCREDIA 01716 Paternò, IT
DIN EN 27888 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 18593 DIN EN ISO 10523 + 3 more
View Profile
ACCREDIA 00909 Roma, IT
DIN EN 27888 ISO 4832 DIN EN ISO 4833-1 DIN EN ISO 21528-2 DIN EN ISO 15587-2 + 3 more
View Profile
ACCREDIA 02395 Foggia, IT
ISO 11731 ISO 6222 ISO 9308-1 ISO 14189 ISO 16266 + 3 more
View Profile
ACCREDIA 01159 Roma, IT
ISO 4832 ISO 11731 DIN EN ISO 6888-1 ISO 16649-2 ISO 21528-2 + 3 more
View Profile
ACCREDIA 01811 Pavona di Albano Laziale, IT
DIN EN ISO 11885 DIN EN ISO 10304-1 DIN EN 13284-1 ISO 10304-1 DIN EN ISO 15587-1 + 3 more
View Profile
ACCREDIA 00688 Fidenza, IT
ISO 18787 ISO 15214 ISO 21527-1 ISO 21527-2 DIN EN ISO 11290-1 + 3 more
View Profile
ACCREDIA 01855 Nuoro, IT
ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 6579-1 DIN EN ISO 6888-2 DIN EN ISO 7932 + 3 more
View Profile

No matching labs found.

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

Other Test Methods

0 labs selected
Compare