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产品名称：20#圆钢
产品类别：20#圆钢
产品信息：20#圆钢规格表：产品名称现货规格材质产地长度圆钢Φ2020#鞍钢6米圆钢Φ5020#鞍钢6米圆钢Φ6020#鞍钢6米圆钢…
产品信息：20#圆钢的20是指含碳量，含碳量为0.2%，属于低碳钢。钢中可分为低碳钢、中碳钢和高碳钢。低碳钢--含碳量一般…
