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

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Eurofins Food Testing UK

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UKAS 9659 Grimsby, GB
Method 15.2 based on BS EN ISO ISO 15213-2 Method 9.8 based on BS EN BS EN Method 5.11 based on BS EN ISO Method 4.3 based on BS EN ISO + 3 more
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Eurofins Food Testing UK

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UKAS 2622 Linlithgow Bridge, GB
ISO 6579-1 ISO 4832 EUMM 3.03 based on BS EN EUMM 3.07 based on BS EN ISO BS ISO 21528-2:2017 + 3 more
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Eurofins Food Testing UK

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UKAS 0342 Wolverhampton, GB
ISO 712 ISO 4833-1 on BS EN ISO 1736:2008 ISO 21528-2 BS ISO 4832:2006 + 3 more
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Evolution Environmental

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UKAS 9661 Teston, GB
(HSG 264, 2012)
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Fibre Clear Consulting

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UKAS 1780 Wickford, GB
M002based on HSG 248 (HSG 248) – 2021 (PCM) based on HSG 248
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First Environment

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UKAS 0166 Cannock, GB
(HSG 264, 2012) on BS 8580-1:2019 and ACoP L8
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Fluke Precision Measurement

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UKAS 0183 Norwich, GB
Frequenc 220 mV range FREQUENCY 10 Hz to 100 kHz difference from 10 % to 100 % of the sta 6105A control 0° to 360° + 3 more
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Forensic Science Northern Ireland

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UKAS 1497 Carrickfergus, GB
ISO Mark Casting (TS5527)
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Fourbridge Consulting

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UKAS 9875 Benfleet, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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Fourstage Environmental

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UKAS 2671 Castle Donington, GB
(HSG 248) – 2021 (PCM) based on HSG 248 DOC/002 based on HSG 248
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Franks Portlock Consulting

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UKAS 4155 Sunderland, GB
5 of HSG 227 (2004) (HSG 264, 2012)
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Fugro GB

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UKAS 0919 Wallingford, GB
BS 1377: Part 2: 1990 BS 1377-3:2018 + A1:2021 ASTM D4186-12: 2020 ASTM D5334-22 ASTM D2216-19 + 3 more
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Full Circle Compliance

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UKAS 10287 Chelmsford, GB
(HSG 264, 2012)
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Furness Controls

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UKAS 0580 Bexhill, GB
FLOW Gas pressure (absolute) Gas pressure (gauge) DC CURRENT TEMPERATURE + 3 more
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G&L Consultancy

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UKAS 2083 Wellington, GB
(HSG 248) – 2021 M4 based on HSG 248 (PCM) based on HSG 248 M3 based on HSG 248 (HSG 264, 2012) + 1 more
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G&M Procter

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UKAS 2727 Perth, GB
based on ISO 11133:2014+Amd dependent) based on BS EN based on BS EN 12322:1999
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G.B.N.S. Partnership

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UKAS 4037 Welwyn Garden City, GB
(HSG 248) – 2021 (PCM) based on HSG 248 PRO02 based on HSG 248
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Glasgow City Council

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UKAS 1278 Glasgow, GB
(HSG 248) – 2021 staining based on HSG 248 F2011 (BS 696:Part 2:1989) F0131 (BS 1741:10-1:1989) using F0008 (BS 696:Part 2:1989) using + 3 more
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Global Safety & Environmental

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UKAS 7751 Sawbridgeworth, GB
(HSG 264, 2012)
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Green Shield Environmental

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UKAS 9528 Stevenage, GB
Appendix 5 of HSG 227 (2004) (HSG 264, 2012)
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Gully Howard Technical

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UKAS 2735 Portsmouth, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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Gully Howard Technical

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UKAS 0363 Portsmouth, GB
HSG 227 (2004)) (HSG 264, 2012) HSG 264 (2012) and Appx. 3 of Appendix 5 of HSG 227 (2004))
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HFS Environmental

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UKAS 4026 Meopham, GB
(HSG 248) – 2021 (PCM) based on HSG 248 (HSG 264, 2012)
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HSL Compliance

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UKAS 0642 Ross-on-Wye, GB
(HSG 248) – 2021 M003 based on HSG 248 (PCM) based on HSG 248 M002based on HSG 248 HSG 227 (2004)) + 2 more
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Hampshire Scientific Service

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UKAS 0024 Southsea, GB
(HSG 248) - 2021 ASB/SOP/OM8 based on HSG 248 ASB/SOP/OM6 based on HSG 248 DIN EN 12697-11 on BS 4401:Part 3:1970(1986) + 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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