UIC 541-5

Railway Disc Brake Pad Homologation

UIC 541-5 specifies the technical requirements and homologation conditions for disc brake pads used in railway rolling stock. This standard establishes performance criteria including friction coefficient stability, wear resistance, thermal durability, and mechanical properties under dynamic braking loads. Testing ensures brake pads function safely across diverse operational temperatures and moisture conditions encountered in European railway networks. Accreditation for this test is critical for brake pad manufacturers and railway operators to guarantee compatibility and safety across standardized European rail systems.

What it measures

  • Friction coefficient stability across temperature ranges
  • Brake pad wear rate and material loss
  • Thermal durability and fade resistance
  • Mechanical strength and adhesion to backing plates
  • Moisture absorption and water resistance
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN 14869-1 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN 14869-1 ๐Ÿ‡ซ๐Ÿ‡ท NF EN 14869-1 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN 14869-1 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN 14869-1 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN 14869-1
1,560 Accredited labs
17 Countries

Showing 101โ€“125 of 344 labs

Crown Windley

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UKAS 30213 Derby, GB
Surface plates LENGTH Straight edges
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UKAS 9418 Worthing, GB
(HSG 264, 2012)
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UKAS 31255 Swinton, GB
(HSG 264, 2012)
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UKAS 6856 Basildon, GB
(HSG 248) โ€“ 2021 (HSG 264, 2012)
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UKAS 0138 Irlam, GB
Gas pressure (absolute) Gas pressure (gauge) Hydraulic pressure (gauge) Hydraulic Pressure (absolute) PRESSURE (contโ€™d) + 1 more
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UKAS 0143 Letchworth Garden City, GB
LENGTH Blade type Straight edges Surface plates External micrometer + 3 more
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DNKA

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UKAS 9730 Govan, GB
staining based on HSG 248. (PCM) based on HSG 248 (HSG 248) โ€“ 2021 QSOP 03 based on HSG 248 QSOP 01 based on HSG 248
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UKAS 7783 Belfast, GB
DIN EN 12469 EN 14175-3-2004
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UKAS 4303 Ammanford, GB
1) MS08P based on BS EN ISO MS02P based on BS EN ISO MS03P based on BS EN ISO MS06P based on BS EN ISO MF07P based on BS EN ISO + 3 more
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UKAS 0254 Plymouth, GB
Specific Values 1 ๏— RF Power RF Attenuation 10 MHz to 1 GHz Other values -20 dBm to +20 dBm
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UKAS 0687 Devonport, GB
BS 4206:1967 (superseded) ISO 5173 ISO 7438 BS EN ISO 9606-2:2004 BS 131-5:1965 + 3 more
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UKAS 0560 Bingley, GB
TIME INTERVAL TEMPERATURE parameters and ranges)
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E C L (2000)

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UKAS 0709 Forest Hall, GB
(PCM) based on HSG 248) (HSG 248) โ€“ 2021
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UKAS 9982 Waterside Court, GB
and Appx. 3 of HSG 227 (2004)) in Appendix 5 of HSG 227 (2004) guides HSG 264 (2012) and (HSG 264, 2012)
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ENV Surveys

Active
UKAS 2794 Brighton, GB
staining based on HSG 248 (HSG 248) โ€“ 2021 (PCM) based on HSG 248
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ERC Testing

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UKAS 23361 Leigh, GB
DIN EN 1863-1 BS EN ISO 10077-1:2006 published 2024) for BS EN DIN EN 1863-2 BS EN ISO 10077-2:2017 + 3 more
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UKAS 2398 Hull, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248
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UKAS 10169 Jordanstown, GB
EN 1364-3 DIN EN 1366-4 EN 1364-4 BS 476-21 BS 476-22 + 3 more
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UKAS 4225 Deeside, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248 based on BS EN 12457 DIN EN 1948-4 dbSNP rs1800562, rs1799945, rs1800730, r
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UKAS 0170 Heaton Mersey, GB
(HSG 264, 2012) HSG 227 (2004)) (HSG 248) โ€“ 2021 (PCM) based on HSG 248
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UKAS 0136 Rotherham, GB
ISO 3651-2 ASTM A262 Methods A, C & E ISO 7438 ASTM G28-2022 Method A ASTM G48 Method A + 3 more
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UKAS 0621 Wednesbury, GB
DIN EN 1303 DIN EN 12209 DIN EN 14846 BS 3621:2007+A2:2012 BS 8621:2007+A2:2012 + 3 more
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UKAS 9141 Sutton Fields, GB
DIN EN 12279 DIN EN 12278 -22018G/A, rs182549 DIN EN 303-2 DIN EN 15502-2-1 + 3 more
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UKAS 2604 Wentloog, GB
(HSG 248) โ€“ 2021 (Section 2) based on HSG 248 (Section 4) based on HSG 248 staining based on HSG 248 (HSG 264, 2012) + 3 more
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UKAS 0441 Glasgow, GB
HSG 264 (2012) and Appx. 3 of (HSG 264, 2012) HSG 227 (2004)) Appendix 5 of HSG 227 (2004))
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Industries

Railway rolling stock manufacturing Brake component suppliers Railway operators and maintenance Automotive brake system suppliers Transport certification bodies

Related Standards

  • UIC 541-01 Railway brakes โ€” Brake pads โ€” Part 1: Friction material specification
  • UIC 544-1 Railway brakes โ€” Braking performance
  • EN 14869-1 Railway applications โ€” Brake components โ€” Disc brakes and their components

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