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
🇩🇪 DIN EN 14869-1 🇬🇧 BS EN 14869-1 🇫🇷 NF EN 14869-1 🇮🇹 UNI EN 14869-1 🇪🇸 UNE EN 14869-1 🇳🇱 NEN EN 14869-1
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Gerico Lab Srl

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ACCREDIA 02192 Torino, IT
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Gerinnungszentrum Rhein-Ruhr

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Gesellschaft für Materialforschung und Prüfungsanstalt für das Bauwesen Leipzig mbH - MFPA Leipzig

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DAkkS D-PL-11021-01-01 Leipzig, DE
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Gesundheitszentrum Brandenburg an der Havel GmbH Institut für Laboratoriumsmedizin

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DAkkS D-ML-14571-01-00 Brandenburg an der Havel, DE
Aktivator ADP / Epinephrin Thrombozytenfunktionstest Basophile Leukozyten, absolut Basophile Leukozyten Eosinophile Leukozyten + 3 more
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Gigahertz Optik

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spektrale Mikrofonempfindlichkeit Photodioden 1 µA/W Bestrahlungsstärke + 3 more
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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
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Gossen Metrawatt

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- Gleichspannung Messgeräte > 0,22 V > 2,2 V > 11 V > 22 V + 3 more
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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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Göttfert Werkstoff - Prüfmaschinen

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ASTM D3835-16 ASTM D6204-19a ASTM D6601-19 ISO 11443 ASTM D1238-13 + 3 more
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HAZET-WERK Hermann Zerver

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Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Drehmoment 2 N·m Handbetätigte 20 N·m + 3 more
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HBT

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DAkkS D-PL-18658-01-01 Lünen, DE
DIN 18041 DIN EN 1804-2 DIN EN 1804-3
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HELIOS Horst Schmidt Kliniken Wiesbaden GmbH Institut für Labordiagnostik und Hygiene

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Verschlusszeit (ADP, Epinephrin, P2Y12) HCG, ß-HCG PF4/Heparin-Komplexe induzierte Thrombozytopenie, Test) Differenzialblutbild (maschinell) + 3 more
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HELIOS Klinikum Krefeld GmbH Institut für Hygiene und Labormedizin

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HELIOS Klinikum Wuppertal GmbH Institut für Medizinische Labordiagnostik

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ADP-Antagonisten TRAP-6-Aktivierung ASS-Inhibition Thrombozyten-Funktionsanalyse β-HCG + 3 more
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HENSOLDT Sensors

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DAkkS D-K-20425-01-00 Ulm, DE
- Gleichspannung Spannungsmessgeräte > 20 V > 200 V Spannungsquellen + 3 more
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HESCURO KLINIK Bad Brückenau GmbH Laborgemeinschaft Bad Brückenau

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HFB Engineering

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DIN EN ISO 10666 DIN 53438-3 rs738409 DIN EN 1382 DIN EN 1383 + 3 more
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HFS Environmental

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UKAS 4026 Meopham, GB
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HIGHVOLT Prüftechnik Dresden GmbH Kalibrierlaboratorium

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DAkkS D-K-19153-01-01 Dresden, DE
Gleichspannung a) / Messgeräte > 600 kV Messsysteme, Teiler > 5 kV + 3 more
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HIMA Paul Hildebrandt GmbH Abteilung EDS, Team TLab

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DAkkS D-PL-21561-01-01 Brühl, DE
IEC 61000-6-1 IEC 61000-6-2: 2005 VDE 0839-6-1 VDE 0839-6-2 power port EN 61000-4-29 + 3 more
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HLK Stuttgart

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DIN EN 442-2 DIN EN 16430-1 DIN EN 16430-2 DIN EN 16430-3 DIN 4703-3 + 3 more
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UKAS 0642 Ross-on-Wye, GB
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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 — Brake pads — Part 1: Friction material specification
  • UIC 544-1 Railway brakes — Braking performance
  • EN 14869-1 Railway applications — Brake components — Disc brakes and their components

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