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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NBN EN 13262
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DIN EN 13262
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BS EN 13262
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NF EN 13262
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UNI EN 13262
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UNE EN 13262
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NEN EN 13262
3,987
Accredited labs
21
Countries
Showing 1,901–1,925 of 3,987 labs
ISO 21527-1
ISO 21527-2
DIN EN ISO 4833-1
ISO 16649-2
ISO 6222
+ 3 more
ISO 18787
ISO 4832
ISO 15214
ISO 21527-1
ISO 21527-2
+ 3 more
ISO 9308-2
APAT CNR IRSA 2060 Man 29 2003
AFNOR IDX 33/06-06/19
ISO 18787
ISO 4832
ISO 15214
DIN EN ISO 6579-1
DIN EN ISO 7932
+ 3 more
DIN ISO 11665-4
DIN EN 16640
DIN EN ISO 9698
DIN EN ISO 7503-2
DIN EN ISO 11704
+ 3 more
BS EN 12697-13:2017
(2023) BS EN 1711
DIN EN 71-1
DM 21/03/1973 GU n° 104 20/04/1973
Reg UE 10/2011 14/01/2011 GU UE
+ 3 more
L.D. AMBIENTE & SICUREZZA
Active
DIN EN 13657
DIN EN ISO 17294-2
DIN EN 12457-2
BS EN ISO 17294-2
UNI 10802
+ 3 more
ISO 9308-2
APAT CNR IRSA 2030 Man 29 2003
APAT CNR IRSA 2060 Man 29 2003
AFNOR IDX 33/03-10/13
DM 13/09/1999 SO n 185 GU n 248 21/10/19
+ 1 more
L.M.P. Srl
Active
DIN EN 12766-1
DIN EN 12766-3
DIN EN 60814
DIN EN 61198
DIN EN IEC 60567
+ 3 more
Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
DIN EN ISO 7438
DIN EN ISO 4136
DIN EN ISO 5173
+ 3 more
LA.ECO.VET.
Active
ISO 18787
ISO 4832
ISO 21527-1
ISO 21527-2
DIN EN ISO 4833-1
+ 3 more
DIN EN 13126-19
DIN EN 14346
DIN EN ISO 10304-1
DIN EN 14039
DIN EN ISO 16911-1
+ 3 more
LAB (UK)
Active
(HSG 264, 2012)
(HSG 248) – 2021
(PCM) based on HSG 248
MAAM 05 based on HSG 248
LAB 2000 srl
Active
DIN EN 13657
DIN EN 14346
DIN EN 14039
ISO 937
DIN EN ISO 10893-7
+ 3 more
LAB Ambiente e Sicurezza Srl
Active
dbSNP rs1800562, rs1799945, rs1800730, r
DIN EN ISO 4833-1
DIN EN ISO 18593
DIN EN ISO 19458
DIN EN ISO 7730
+ 3 more
LAB RIVER
Active
DIN EN 13126-19
DIN EN ISO 16911-1
DIN EN 13284-1
DIN EN 14790
DIN EN 14789
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LAB SERVICE
Active
ISO 21527-2
DIN EN ISO 4833-1
DIN EN ISO 19458
ISO 11731
DIN EN ISO 4833-2
+ 3 more
LAB SERVICE
Active
ISO 4832
ISO 15214
ISO 21527-2
DIN ISO 16649-2
DIN EN ISO 4833-1
+ 3 more
LAB&CO
Active
ISO 21527-2
DIN EN ISO 4833-1
BS EN 15662
ISO 11731
DIN EN 14123
+ 3 more
Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
DIN EN ISO 4136
DIN EN ISO 643
DIN EN ISO 945-1
+ 3 more
LABA SRL
Active
DIN EN ISO 10523
DIN EN ISO 10304-1
DIN EN ISO 17294-2
ISO 10304-1
BS EN ISO 17294-2
+ 3 more
LABAQUA, S.A. (Unipersonal)
Active
Railway passenger ride comfort evaluatio
Railway wheel-rail interaction — roughne
ISO 21527-1
ISO 5667-11
ISO 17353
+ 3 more
LABCAM srl
Active
ISO 18787
ISO 15214
ISO 21527-1
ISO 21527-2
DIN EN ISO 6888-2
+ 3 more
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