Composition : Si:0.40-0.8 / Fe:0.7 / Copper Cu:0.15-0.40 / Manganese Mn:0.15 / Magnesium Mg:0.8-1.2 / Chromium Cr:0.04-0.35 / Zinc Zn:0.25 / Titanium Ti:0.15 / Aluminum Al:Remainders.
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