3月钢材产量（万吨）去年同期钢材产量（万吨）同比（%）1-3月累计钢材产量（万吨）去年同期累计钢材产量（万吨）同比（%）合计12336.612324.30.133602.632186.44.4北京16.215.027.948.7445.184.4天津550.82544.161.21363.751290.65.7河北2769.242967.33-6.77674