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 251–275 of 298 labs

UKAS 9248 Winall, GB
DIN EN 13821 Sigma-HSE (UK) Ltd DIN EN 14034-1 BS EN ISO/IEC 80079-20-2:2016 DIN EN 14034-2 + 3 more
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UKAS 0369 Wellington, GB
(HSG 248) – 2021 R24 based on HSG 248 staining based on HSG 248
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UKAS 1922 Near Wellington, GB
based on BS EN ISO 6579-1: ISO 21528-2 ISO 21149:2017+Amd1:2022 DIN EN ISO 18415 method based on BS ISO 16649-2: + 3 more
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UKAS 2621 Basildon, GB
QOP01 based on HSG 248 (HSG 248) – 2021 (PCM) based on HSG 248 (HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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UKAS 10772 Birmingham, GB
(HSG 264, 2012)
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UKAS 10817 Moneymore, GB
AM01 based on BS EN ISO 4833-1: AM03 based on BS EN ISO 11290- AM05 based on BS ISO 21528-2: AM08 based on BS EN ISO 15213-2:2023 by AM12 based on BS EN + 3 more
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UKAS 1170 Salwick, GB
LMM2149, ASTM E112-13 by ISO 6507-1 LMM2207, ASTM E112-13 by LMM1862, ASTM E112-13 for to BS EN ISO 6507-1:2018 + 3 more
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UKAS 0731 Guildford, GB
DIN EN 933-11 DIN EN 1097-6 DIN EN 1097-1 DIN EN 1097-2 DIN EN 933-3 + 3 more
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UKAS 4608 Swindon, GB
(HSG 264, 2012)
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Sychem

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UKAS 25291 Chandler's Ford, GB
parameters and ranges)
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UKAS 8644 Bury, GB
(HSG 264, 2012) HSG 264 (2012) and Appx. 3 of HSG 227 (2004))
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TVS Analysis

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UKAS 2684 Birchwood, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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TYSR Analysis

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UKAS 31733 Chorley, GB
(HSG 248) – 2021 QSOP 01 based on HSG 248
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UKAS 0805 Ramsdell, GB
RELATIVE HUMIDITY HUMIDITY continued loggers Gas Pressure Gauge Saturated salt capsules + 2 more
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UKAS 0175 London, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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UKAS 1709 London, GB
(HSG 248) – 2021 RPSCA1 based on HSG 248 (PCM) based on HSG 248 RPSCA2 based on HSG 248 BS 7592:2008, BS 8554:2015 + 2 more
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Tetra Tech

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UKAS 6060 Leeds, GB
(HSG 248) – 2021 &10 based on HSG 248 (PCM) based on HSG 248
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UKAS 0225 Fenstanton, GB
(HSG 264, 2012)
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UKAS 0575 Fenstanton, GB
(HSG 248) – 2021 03 based on HSG 248) QOP01 based on HSG 248 (PCM) based on HSG 248
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UKAS 7758 Doncaster, GB
DIN EN 933-11 BS EN ISO 17892-1:2014+A1:2022 BS EN ISO 17892-10:2018 BS EN ISO 17892-11:2019 BS EN ISO 17892-2:2014 + 3 more
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UKAS 0630 Amesbury, GB
SPECTRAL TRANSMITTANCE Wavelength 380 nm materials
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Thomas Dudley

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UKAS 20013 Dudley, GB
BS 1212-2:1990 Clause 4 BS 1212-3:1990 Clause 4 DIN EN 997 Laktoseintoleranz (LCT -14055 BS 1212-4:1991 Clause 4, 13, 14
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UKAS 0249 Kenilworth, GB
LENGTH LENGTH (cont’d)
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UKAS 27642 Somerset, GB
ISO 14644-3 BS EN ISO 14644-2:2015:Part 2 DIN EN 12469 BS EN ISO 14644-1:2015 BS EN ISO 14644-4:2022 + 3 more
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UKAS 8188 Sunderland, GB
Analysts’ Guide (HSG 248) (PCM) based on HSG 248
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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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