2 England, some from Scotland, others from Whyalla.” BHP Steel, having helped to trace a little of the history of the original steels, also facilitated analysis of samples. Of most interest was their suitability for welding, because of the tendancy for some older steels to become brittle when welded. Although the tests indicated that this should not be a problem, it was decided to go with bolting for all but a few connections, where welding was

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