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BS1200 S1C
300mm sq sheets cut upwards 1m wide
al cu Si Fe Mn Zn
99.0 0.1 0.5 0.7 0.1 0.1
99% Purity Commercial grade . Cheapest alloy where strength is not important
Tensile 105 – 140 N/mm2
Elongation 3 – 6 %
hardness 34HB
very good to cold form .Fair to machine