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Tata Steel updates Blue Book for hollow sections

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Tata Steel has partnered with the Steel Construction Institute (SCI) to produce a brand-new updated version of their ‘Blue Book’ software tool (

The Tata Steel Blue Book provides all sectional properties and tables of resistance for the full range of both hot finished and cold-formed hollow sections.

The updated version now includes new sizes as well as new grades. For instance, the size range for Celsius S355NH now extends to 17.5mm thickness, while the inclusion of S460NH reflects the growing demand for higher strength steel.

“Hot finished hollow sections in S460 have the additional advantage of a more advantageous buckling curve, as specified in Table 6.2 of BS EN 1993-1-1,” said Tata Steel Marketing Manager Graeme Peacock.

The updated range in the Blue Book is reflected in the Tata Steel Celsius Design app for mobile devices which has also been updated to include the same ranges and material strengths.

Developed to aid structural engineers, the Design app automatically calculates the available steel section sizes, based on a project’s specific loading requirements, and allows the user to efficiently assess alternative specifications, saving valuable time.

According to Tata Steel, the updated app helps to improve accuracy, providing results based on actual effective lengths input by the user. The inclusion of S460NH in the app now allows simple side-by-side comparisons of suitable sections across the different steel grades.

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