靠人为炒作的钢价 持久度不言而喻！

此轮钢材价格上涨的主要原因可以归纳为两个方面，在需求方面，一是大中城市商品房销售放量，带来钢材需求预期;二是不少建设工程在冬歇后复工，带来钢材需求量增长;三是贸易商补，短期内扩大了钢材需求;四是市场预期“补短板”、“稳增长”等政策会带动钢20#结构管

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