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 876–900 of 1,200 labs

NDT SICILY

Active
ACCREDIA 02276 Melilli, IT
DIN EN ISO 13588 DIN EN ISO 17637 DIN EN 13018 DIN EN ISO 17638 DIN EN ISO 17636-1 + 3 more
View Profile

NEOLAC

Active
ACCREDIA 00483 Belgioioso, IT
ISO 4832 ISO 15214 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 6888-2 + 3 more
View Profile
ACCREDIA 00846 Olevano sul Tusciano, IT
ISO 4832 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6888-2 DIN EN ISO 7932 + 3 more
View Profile

NEOTRON SPA

Active
ACCREDIA 00023 Modena, IT
ISO 6496 DIN EN ISO 6865 ISO 4831 ISO 4832 ISO 15214 + 3 more
View Profile

NEW ECO srl

Active
ACCREDIA 01008 San Dorligo della Valle, IT
DIN EN 14039 DIN EN ISO 16703 ISO 11731 NF EN ISO-15587-2 ISO 22036 + 3 more
View Profile

NEWTON Srl

Active
ACCREDIA 00626 Mazzo di Rho, IT
ISO 3795 DIN EN ISO 16212 DIN ISO 1817 DIN EN 137 DIN 51402-1 + 3 more
View Profile
ACCREDIA 01280 Seregno, IT
ISO 4832 ISO 21527-1 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 21528-2 + 3 more
View Profile
ACCREDIA 00895 Angri, IT
ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 + 3 more
View Profile
ACCREDIA 00698 Dosson di Casier, IT
DIN EN ISO 11885 DIN EN 13657 DIN EN 14346 DIN EN ISO 17294-2 DIN EN 14039 + 3 more
View Profile
ACCREDIA 01779 Arezzo, IT
ISO 16266-2 ISO 6222 ISO 14189 DIN EN ISO 9308-2 ISO 15705 + 3 more
View Profile

NUTROPLANT

Active
ACCREDIA 01181 Policoro, IT
DIN EN 27888 ISO 4832 DIN EN ISO 4833-1 DIN EN ISO 11290-1 DIN EN ISO 18593 + 3 more
View Profile
ACCREDIA 00036 Biassono, IT
Salt spray / neutral salt fog test (ISO 9 DIN EN 50155 DIN EN 20105 DIN EN IEC 60068-2-5 + 3 more
View Profile
ACCREDIA 01404 Ferrara, IT
Salt spray / neutral salt fog test (ISO DIN EN 50155 DIN EN 20105 DIN EN IEC 60068-2-5 DIN EN IEC 60068-2-11 + 3 more
View Profile

Neofarma Srl

Active
ACCREDIA 01543 Longiano, IT
ISO 13906 ISO 17372 COI/T.20/Doc n 35/rev 1 2017 COI/T.20/Doc n 34/rev 1 2017 Reg CE 152/2009 27/01/2009 GU CE + 3 more
View Profile
ACCREDIA 02043 Perugia, IT
ISO 21528-1 ISO 21528-2 AFNOR TRA 02/12-01/09
View Profile
ACCREDIA 02081 BORGO SAN GIACOMO, IT
DIN EN 27888 DIN EN 13657 DIN EN ISO 10523 DIN EN ISO 10304-1 DIN EN 15934 + 3 more
View Profile

Niki Srl

Active
ACCREDIA 02154 Cisliano, IT
ASTM D445-24 ASTM D5185-18 ASTM D2270-24 ASTM D664-24 ASTM D2896-21 + 3 more
View Profile
ACCREDIA 02225 Lonigo, IT
DIN EN ISO 15587-2 DIN EN 13657 DIN EN ISO 10523 ISO 10523 NF EN ISO-15587-2 + 3 more
View Profile

Nucleco SpA

Active
ACCREDIA 01946 Roma, IT
DIN EN 12390-3 UNI 11665 BS EN 12390-3:2019
View Profile
ACCREDIA 00271 Cabiate, IT
(NM_001718: c.1-c.500) DIN EN 597-1 DIN EN 597-2 DIN EN 1021-1 DIN EN 1021-2 + 3 more
View Profile

Nutristar SpA

Active
ACCREDIA 02174 Reggio Emilia, IT
ISO 9622 ISO 13366-2
View Profile

O.S.I. Srl

Active
ACCREDIA 00318 Isola del Liri, IT
ISO 4832 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 6888-2 DIN EN ISO 7932 + 3 more
View Profile

OFAR SPA

Active
ACCREDIA 02059 Visano, IT
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) ASTM E 8 ISO 6506-1 ISO 6507-1 + 3 more
View Profile
ACCREDIA 01562 Caldiero, IT
Circ Min Trasp n 18911 02/08/2018
View Profile
ACCREDIA 02210 Tivoli, IT
DIN EN IEC 60567 DIN EN 61619 IEC 61619 CEI EN 61619
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