Scope
EN 15461
Railway Brake Friction Material Characterisation
This test characterises the friction properties and thermal behavior of brake pads and brake blocks used in railway braking systems, ensuring consistent performance and safety across diverse operating conditions. The test evaluates friction coefficients at various temperatures, pressure levels, and speeds to validate that materials meet performance specifications for both passenger and freight applications. Accurate characterisation is essential for brake system designers to predict braking performance and prevent brake fade or instability. Accreditation guarantees that testing is performed with validated equipment and procedures, supporting regulatory compliance and safe brake system design.
What it measures
- Friction coefficient at varying temperatures
- Friction coefficient dependence on pressure and sliding speed
- Thermal fade and recovery characteristics
- Wear rate and material degradation
- Vibration and noise generation potential
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DIN EN 15152
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BS EN 15152
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NF EN 15152
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UNI EN 15152
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UNE EN 15152
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NEN EN 15152
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DIN EN 13571
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BS EN 13571
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NF EN 13571
🇮🇹
UNI EN 13571
🇪🇸
UNE EN 13571
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NEN EN 13571
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DC Resistance
DC VOLTAGE
Temperatur-Simulation
AC CURRENT
Base metal thermocouples
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ASTM D3338
ASTM D 2624
ASTM D 5006
ASTM D 2386
ASTM D7153
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ITS Testing Services (UK)
Active
UK 3725 based on ASTM D2163
and BS EN 15984:2011-07
IP 411, ISO 6251
ASTM D6667 mod
ISO 8973 modified
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DC Resistance
AC VOLTAGE (continued)
AC POWER
AC CURRENT
Generation (continued)
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Intona
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and Appx. 3 of HSG 227 (2004))
Executive guides HSG 264 (2012)
(HSG 264, 2012)
J B-Monitor
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(HSG 248) – 2021
No 1 based on HSG 248 – 2021
(PCM) based on HSG 248 – 2021
No 3 based on HSG 248 – 2021
(PCM) based on HSG 248
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JCS Technology
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ISO 178
BS 5350:Part C13
BS 2782 Part 10 Method 1005
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BS EN ISO 11623:2015
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BS EN ISO 10460:2018
BS EN 20745:2020
Javer Labs
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MIL-STD-810G, Method 508:7
BS 2011:2.1 Ca:1977
(IEC 60068-2-10:2005+A1:2018,
MIL-STD-810H, Method 508:8
Johnson and Allen
Active
DC CURRENT
INSPECTION EQUIPMENT
AC CURRENT 50 Hz RMS
uncertainties may be increased.
K B Calibration Services
Active
LENGTH
ended (excluding length bars)
Chronic progressive external
Dial gauges and dial test
Caliper Gauges
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Kiwa
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DIN EN 13079
BS 1212-4:1991 Clause 4, 13, 14
DIN EN 14622
BS 1212-3:1990 Clause 4
DIN EN 14623
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Kiwa
Active
DIN EN 55011: 2018
IEC/CISPR 22
DIN EN 55016-2-1
IEC 61326-2-2: 2012
IEC 61000-6-1
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Kiwa
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DIN EN 16510-2-3
DIN EN 16510-2-1
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DIN EN 16510-1
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Kiwa
Active
DIN EN 55011: 2018
AS/NZS CISPR 11:2004
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IEC/CISPR 14-1
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Kordus Consulting
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and Appendix 3 of HSG 227 (2004))
Appendix 5 of HSG 227 (2004))
Kova Asbestos Consultants
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(HSG 248) – 2021
(PCM) based on HSG 248
SAS 02 based on HSG 248
Kovia
Active
Appendix 5 of HSG 227 (2004))
HSG 227 (2004)
HSG 264 (2012) and Appendix 3 of
LAB (UK)
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(HSG 248) – 2021
(PCM) based on HSG 248
MAAM 05 based on HSG 248
(HSG 264, 2012)
LUX-TSI
Active
DIN EN 13032-4
BS EN ISO 13032-1 +A1:2012
IEC 62612 ed1.0 (2013-06)
IEC 62722-1 ed1.0 (2014-09)
IEC 62722-2-1 ed1.0 (2014-11)
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Lambda Calibration
Active
PRESSURE (cont’d)
Distortion Factor
Spot frequency
Phase angle
(Herpes simplex virus type
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Lambeth Scientific Services
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(HSG 248) – 2021
(PCM) based on HSG 248
P-12 based on HSG 248
(HSG 248) – 2021
(PCM) based on HSG 248
ISO 12966-2
F06 6 & F06 5 based on BS EN
F05 4 based on BS 770:Part
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