中碳钢 zhōngtàngāng medium-carbon steel Origin Definitions Defs Strokes Stroke Words Sentences Sents 中 zhōng nounadjective medium medium; intermediate; halfway between two extremes碳钢 碳鋼 tàngāng carbon steel An alloy of iron and carbon with a carbon content typically between 0.12% and 2.0%; also called 碳素钢 tànsùgāng