热轧板卷2.75mm*1250*CQ235B本钢4240-热轧板卷3.0mm*1250*CQ235B本钢4180-热轧板卷5.75mm*1500*CQ235B本钢4150-热轧板卷7.5mm*1500*CQ235B本钢4150-热轧板卷5.75mm*1500*CQ235B北台4150-货少