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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Wel.Tra.Co srl
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Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
DIN EN ISO 5173
DIN EN ISO 9016
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Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
ASTM E 8
DIN EN 10002-1
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DIN EN ISO 17141
ISO 11737-3
ISO 10993-12
ISO 14698-1
BS EN ISO 11737-1:2018
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DIN EN 60068-2-78
IEC 61000-4-2: 2008
IEC 61000-4-4: 2012
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IEC 61000-6-2: 2005
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White Lab s.r.l. - C.T.R.
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Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
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DIN EN 12004-2
ISO 13166
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DIN EN 14389
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dbSNP rs1800562, rs1799945, rs1800730, r
ISO 18787
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ISO 21527-1
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DIN EN ISO 9239-1
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EN 13501-1
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