16 Mar 2026

AS 7504.1 Brake Blocks

The closing date for comments – Monday 18 May 2026

The latest review of AS 7504.1 Brake Blocks is now open for Public Consultation.

How this product helps the rail industry

Brake blocks are a critical component of rolling stock safety systems. Effective and reliable brakes provide certainty to train crew when managing the speed of trains and ensuring they can be brought to a complete stop.

This Standard describes the requirements for the manufacture and testing of medium and high-friction composite brake blocks to be installed on locomotives and rolling stock.

About

The Standard has been updated to provide greater clarity on co-efficient of fraction requirements for different types of brake blocks. New tables have been provided for the testing of different types of brake blocks for freight and passenger vehicles, as well as locomotives. Updates have also been made to the testing methodologies along with minor updates across the document.

How to contribute

AS 7504.1 Brake Blocks is available for public consultation for 60 days. All interested parties are encouraged to provide comments during this time.

It is available to download here.

To make comments on the draft, please use the commenting tools in Adobe Acrobat or Acrobat Reader to comment in-line with the text. If needed you can find instructions here.

Please return your PDF with comments to cfitzhardinge@ariso.org.au by Monday 18 May 2026.

As the rail industry’s only accredited Standards Development Organisation (SDO), ARISO collaborates with government, rail operators and industry leaders to improve the efficiency and harmonisation of the Australia’s rail network, ensuring national interoperability, safety and sustainability into the future.