Hot Rolled Structurals

Liberty Primary Steel manufactures and supplies an extensive range of Hot Rolled Structural Steel for the Australian and New Zealand construction market. Steel is produced in a range of grades to Australian Standard AS/NZS 3679.1. Our standard product for Hot Rolled Structural sections is 300PLUS*, which exceeds the requirements of AS/NZS 3679.1 Grade 300. Other grades available by inquiry include 300L0, 300S0, 300L15, 350, 350L0, 350S0, 350L15, 300S0 and 350S0. Products come in standard lengths, depending on the section size, from 6 metres up to 21 metres in 1.5 metre increments.

*The standard product is 300PLUS S0 in New Zealand.

Higher vs Lower Minimum Yield Stress in Hot Rolled Structural Sections for Seismic Design

The R_eL value for Hot-rolled sections from LIBERTY Primary Steel’s Whyalla Mill shall be determined using the following calculation from the R_eHreported on Whyalla Test Certificates:

R_eL= R_eH– 5

Where R_eLand R_eHare in Megapascals

This is in accordance with Appendix F of AS/NZS 3679.1 Clause F2 (b).

Rail Products

Rails are manufactured and supplied by the Liberty Primary Steel’s Whyalla Steelworks in South Australia. Liberty Primary Steel produces both Plain Carbon and Head Hardened rails in a range of sizes suitable for the Australasian rail market.

Trak-Lok® Steel Sleeper Systems incorporate the Trak-Lok® resilient fastening system that has been developed specifically for use with steel sleepers. All LIBERTY Primary Steel sleeper systems are proudly Australian made.

Trak-Lok® sleepers tie rails together maintaining gauge and rail position while resisting lateral and longitudinal movement of the rail. The Trak-Lok® 2 resilient clip secures the rail to the sleeper in conjunction with the appropriate Trak-Lok® ‘Lock In Shoulder’.