UIC 544-2

Railway Braking Force Estimation Methods

UIC 544-2 provides standardized calculation and estimation methods for determining braking force in railway rolling stock across different brake system types and operational scenarios. This technical standard defines mathematical models for translating brake system pressure, line force, and mechanical leverage into actual stopping power, accounting for variables such as wheel slip, temperature effects, and load conditions. The standard enables consistent performance prediction and certification across diverse European rail systems. Accreditation for this calculation methodology ensures reproducible, safety-critical engineering assessments used in rail fleet design and operational planning.

What it measures

  • Brake force calculation from system pressure and geometry
  • Adhesion coefficient effects on available braking force
  • Load-dependent braking force variations
  • Dynamic brake force response characteristics
  • Braking force distribution optimization
🇧🇪 NBN EN 14531-1 🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1
3,687 Accredited labs
21 Countries

Showing 51–75 of 3,687 labs

COFRAC 1-0905 Arzacq-Arraziguet, FR
ISO 15214 DIN ISO 16649-2 DIN EN ISO 6579-1 DIN EN ISO 6888-2 DIN EN ISO 6888-3 + 3 more
View Profile

ADRIA

Active
COFRAC 1-0144 Quimper Cedex, FR
ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 + 3 more
View Profile

ADX Groupe

Active
COFRAC 1-6048 Chateau-Gontier, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
View Profile
ENAC LE1300 Madrid, ES
DIN EN 12566-7 ISO 20236 on ISO 11905-2:1997 on BS ISO 17289:2014 ISO 1841-2 + 3 more
View Profile

AEDES

Active
ACCREDIA 00503 Albano Laziale, IT
ISO 18787 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
View Profile
ENAC LE1555 Madrid, ES
ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 6579-1 ISO 7251 + 3 more
View Profile
DAkkS D-PL-20374-01-00 Mühlhausen, DE
DIN EN 13018 ISO 16750-5 DIN EN IEC 60068-2-11 DIN EN 60068-2-14 DIN EN 60068-2-30 + 3 more
View Profile
DAkkS D-K-20374-01-01 Mühlhausen, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Railway bogies — wheelsets and bogies st Solarzellen* 20 % Messorte in + 3 more
View Profile
COFRAC 1-6342 Marseille, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
View Profile
COFRAC 1-7407 Balzac, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
View Profile
COFRAC 1-7059 Villeuneuve Loubet, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
View Profile

AGQ ITALIA

Active
ACCREDIA 00560 Verona, IT
DIN EN 27888 ISO 18787 ISO 4832 ISO 21527-1 ISO 21527-2 + 3 more
View Profile
ENAC LE1409 Coslada, ES
Tensile testing of metallic materials (I ISO 4831 ISO 4832 ISO 15214 ISO 21527-1 + 3 more
View Profile
ACCREDIA 00794 Pomezia, IT
DIN EN ISO 3104 DIN EN ISO 12937 DIN EN 12662-1 ISO 21527-1 ISO 21527-2 + 3 more
View Profile
ACCREDIA 01131 Perugia, IT
DIN EN ISO 12966-2 DIN EN ISO 3960 ISO 21527-2 DIN EN ISO 6579-1 DIN EN ISO 21528-2 + 3 more
View Profile

AGRILAB SrL

Active
ACCREDIA 00270 Centallo, IT
ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 + 3 more
View Profile
ACCREDIA 00965 Noci, IT
ISO 4832 DIN EN ISO 4833-1 ISO 16649-2 ISO 6222 ISO 7899-2 + 3 more
View Profile
ACCREDIA 00262 Rutigliano, IT
ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
View Profile

AGROLAB Agrar

Active
DAkkS D-PL-14047-01-02 Sarstedt, DE
DIN EN 12879 DIN EN 12880 DIN 19682-2 DIN EN ISO 11885 DIN EN ISO 10304-1 (D 20) + 3 more
View Profile
DAkkS D-PL-20892-01-02 Leinefelde-Worbis, DE
DIN EN ISO 12966-4 DIN EN ISO 658 DIN 19682-2 DIN EN 16174 DIN 19747 + 3 more
View Profile
ACCREDIA 02060 Altavilla Vicentina, IT
ISO 18787 ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 + 3 more
View Profile
ENAC LE530 Burgos, ES
ISO 18787 ISO 6496 ISO 4831 ISO 4832 ISO 15214 + 3 more
View Profile
ACCREDIA 00131 Altavilla Vicentina, IT
dbSNP rs1800562, rs1799945, rs1800730, r DIN EN 15984 DIN EN ISO 19458 DIN EN 12316-1 DIN EN 13126-19 + 3 more
View Profile

AGROLAB LUFA

Active
DAkkS D-PL-14082-01-01 Kiel, DE
DIN EN 15621 DIN EN 15111 DIN EN 15763 DIN EN 16802 DIN EN ISO 16634-1 + 3 more
View Profile

AGROLAB Labor

Active
DAkkS D-PL-14289-01-02 Bruckberg, DE
DIN EN 27888 DIN EN 932-1 DIN EN 932-2 DIN EN ISO 17892-1 DIN EN 12316-1 + 3 more
View Profile

No matching labs found.

Industries

Railway rolling stock engineering and design Brake system manufacturers and integrators Railway fleet operators Rail vehicle certification authorities Transport safety and compliance consulting

Related Standards

  • UIC 544-1 Railway brakes — Braking performance
  • UIC 541-01 Railway brakes — Brake pads — Part 1: Friction material specification
  • EN 14531-1 Railway applications — Safety requirements for the design of rolling stock

Other Test Methods

0 labs selected
Compare