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
3,715
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21
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ADESUD
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ISO 4832
ISO 21527-1
DIN ISO 16649-2
DIN EN ISO 18593
BS EN 15662
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ADOUR BIO CONSEIL - A.BIO.C.
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ISO 15214
DIN ISO 16649-2
DIN EN ISO 6579-1
DIN EN ISO 6888-2
DIN EN ISO 6888-3
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DIN EN 12566-7
ISO 20236
on ISO 11905-2:1997
on BS ISO 17289:2014
ISO 1841-2
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ISO 4832
ISO 21527-1
ISO 21527-2
DIN EN ISO 6579-1
ISO 7251
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DIN EN 13018
ISO 16750-5
DIN EN IEC 60068-2-11
DIN EN 60068-2-14
DIN EN 60068-2-30
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Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Railway bogies — wheelsets and bogies st
Solarzellen* 20 %
Messorte in
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NF X 43-050
NF X 43-269
ISO 16000-7
FD X 46-033
NF X 43-050
NF X 43-269
ISO 16000-7
FD X 46-033
Tensile testing of metallic materials (I
ISO 4831
ISO 4832
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ISO 21527-1
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DIN EN ISO 3104
DIN EN ISO 12937
DIN EN 12662-1
ISO 21527-1
ISO 21527-2
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DIN EN ISO 12966-2
DIN EN ISO 3960
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ISO 4832
ISO 21527-1
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DIN ISO 16649-2
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DIN EN 12879
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DIN 19682-2
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DIN EN ISO 10304-1 (D 20)
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DIN EN ISO 12966-4
DIN EN ISO 658
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DIN 19747
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dbSNP rs1800562, rs1799945, rs1800730, r
DIN EN 15984
DIN EN ISO 19458
DIN EN 12316-1
DIN EN 13126-19
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AGROLAB LUFA
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DIN EN 15621
DIN EN 15111
DIN EN 15763
DIN EN 16802
DIN EN ISO 16634-1
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