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
🇩🇪 DIN EN 15152 🇬🇧 BS EN 15152 🇫🇷 NF EN 15152 🇮🇹 UNI EN 15152 🇪🇸 UNE EN 15152 🇳🇱 NEN EN 15152 🇩🇪 DIN EN 13571 🇬🇧 BS EN 13571 🇫🇷 NF EN 13571 🇮🇹 UNI EN 13571 🇪🇸 UNE EN 13571 🇳🇱 NEN EN 13571
1,323 Accredited labs
15 Countries

Showing 201–225 of 298 labs

UKAS 0573 Thurso, GB
AIR KERMA RATE AMBIENT DOSE HBs-Antigen (Hepatitis B-Surface RESPONSE: PERSONEL DOSE
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UKAS 0282 Harlow, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004) (HSG 248) – 2021 (PCM) based on HSG 248
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OHEC (uk)

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UKAS 0394 Prestwich, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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OHS

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UKAS 21882 Manchester, GB
(HSG 264, 2012)
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UKAS 2769 Blyth, GB
IEC 61400-23 ASTM G73 (2012) IEC 60885-3, 2.4.1 IEC 60502-2 IEC 60840 + 3 more
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UKAS 2048 Avonmouth, GB
ISO 6888-1 ISO 21528-2 BS ISO 4832:2006 ISO 4833-1 ISO 6579-1 + 3 more
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UKAS 0286 Bradford, GB
DC Resistance DC CURRENT DC VOLTAGE DC RESISTANCE (cont’d)
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UKAS 4600 Kettering, GB
(HSG 264, 2012)
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PA Group (UK)

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UKAS 4265 Dartford, GB
(HSG 264, 2012)
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UKAS 0384 Cardiff, GB
HSG 227 (2004)) (HSG 264, 2012) HSG 264 (2012) and Appx. 3 of (HSG 248) – 2021 (PCM) based on HSG 248
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UKAS 0649 Prenton, GB
Refractive Index Capillary Viscometer Calibration 2.92 mm systems (continued) Liquids Density in Air at 20 + 3 more
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UKAS 4109 Hatton, GB
MIL-STD 810D, Method 510.2 MIL-STD 810E, Method 510.3 MIL-STD 810G:2008 Method 501.5 MIL-STD 810F, Method 510.4 MIL-STD-810H, Method 510.7 + 3 more
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UKAS 0307 Newcastle-upon-Tyne, GB
(HSG 264, 2012)
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UKAS 0635 Newcastle-upon-Tyne, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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UKAS 0179 Bromley, GB
(HSG 264, 2012) and Appx. 3 of HSG 227 (2004)) Executive guides HSG 264 (2012)
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UKAS 0598 Fareham, GB
(HSG 248) – 2021 (PCM) based on HSG 248 Manual based on HSG 248
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UKAS 0247 Burnham-on-Crouch, GB
TEMPERATURE Viscosity constant ‘C’ Reference viscometers: ASTM D4052 (Digital density
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UKAS 1509 Llandrindod Wells, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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UKAS 0325 Tamworth, GB
External (Tip) Diameter Helix (lead) total deviation (F GEARS SPUR/HELICAL EXTERNAL (cont’d) As for Involute Spline Gauges
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UKAS 1817 Bangor, GB
ISO 6579-1 ISO 15213-2 ISO 11290-1 ISO 7932 F100 based on BS EN ISO + 3 more
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UKAS 0683 Harrogate, GB
DC CURRENT Measurement DC VOLTAGE AC Current Generation DC RESISTANCE (cont’d) + 3 more
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UKAS 2705 Dundonald, GB
(HSG 248) – 2021 (PCM) based on HSG 248 QSOP 03 based on HSG 248
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UKAS 2594 Margam, GB
ÖNORM EN ISO 17637 BS EN ISO 15614-1:2017 ASTM A 370 DIN EN 10080 BS EN ISO 9015-1:2011 + 3 more
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UKAS 23462 Coventry, GB
Analysts’ Guide (HSG 248) (PCM) based on HSG 248
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Ramcare

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UKAS 0505 Lancing, GB
DC CURRENT DC VOLTAGE thermometer Pt100 ROTATIONAL SPEED Generate + 3 more
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Industries

Brake pad and block manufacturers Rolling stock manufacturers Braking system integrators and suppliers Railway maintenance and depot operators Material testing and research laboratories

Related Standards

  • EN 15152 Railway applications - Braking systems on rail vehicles - General requirements and definitions
  • EN 13571 Railway applications - Brakes - Disc brake pads - Specifications and approval
  • EN 14363 Railway applications - Testing and Simulation for the acceptance of running characteristics of railway vehicles

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