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High carbon chrome the carbon chrome iron low carbon chrome iron tiny carbon chrome iron in iron
The nitrogen turns a chrome iron a high carbon manganese the carbon manganese iron low carbon manganese iron in iron
The nitrogen turns the manganese iron low carbon 硅 manganese common 硅 manganese 鎢 iron
釩 Iron 鈦 iron 鈮 iron 鎳 iron
鉬 Iron 硅 iron