石家庄方管价格继续盘整为主价格变动较少方管石家庄方管节后市场价格盘整。市场方面，节后，上游企稳，市场价格变动较少。这几日石家庄市场价格随行调整，假期期间少有变动。市场贸易反馈的情况来看，当地镀锌方管管厂暂未调价，市场镀锌库存下降缓慢，操作意愿不强，不过方管厂家前期高库存压力下的悲观情绪有所缓解，短期预期震荡调整为主。节后钢价继…

南京市场方管价格下跌，成交一般。早盘螺纹钢期货低开低走。唐山方坯跌20元，现普碳方坯含税出厂3510元。从当地贸易商了解， 贸易战对市场心态影响较大，除刚需低价有所成交，大多仍处在观望。商家进少出多，以完成销售任务为主。钢厂库存尚无压力，不过价格下调较之前有所放大。综 上所述，预计明日南京市场或继续回落。

In Nanjing market, prices fell and transactions were normal. Early-trading threaded steel futures open low. Tangshan billet fell 20 yuan, and now ordinary carbon billet with tax is 3510 yuan out of the factory. From the local traders, the trade war has a great impact on the market mentality. Most of them are still on the sidelines, except for the bargain just needed at a low price. Businessmen come in less and go out more, mainly to complete sales tasks. There is no pressure on steel mill stocks, but the price reduction has been enlarged. In summary, the Nanjing market is expected to continue to decline tomorrow. 价格方面：截止发稿时，永钢、沙钢三级大螺纹4210元(吨价，下同)，跌50元。

Price: Up to the time of submission, Yonggang and Shagang three-level large threads 4210 yuan (ton price, the same below), down 50 yuan.

厂家防止方管坯分层的三点措施方管有时方管坯会出现分层问题，从而导致探伤不合。要预防这一缺陷，我们可以采取以下三点处理措施：(一)优化缓冷时间：优化方管板坯的缓冷工艺，主要针对堆垛温度和堆垛持续时间。轧制钢板厚度不大于80mm钢板热矫直后，在冷床停留时间不得超过5min。厚度大于80mm钢板可适当延长至10min，确保钢板成垛前温度控制在500℃以上。钢板… 短期镀锌方管价格继续盘整运行市场心态偏疲…方管国内镀锌方管价格持续阴跌。据兰格钢铁云商平台监测数据显示：国内重点城市4寸(3.75mm)方管的平均价格为4158元，比昨日价格下跌8元，其中中心城市报价天津下调20元、唐山下调20元、西安下跌20元、北京下跌20元，其他中心城市暂与昨日持平。早盘，145小窄带价格累降30元，市场交投氛围较差，午前瑞丰带钢价格继续下调，津冀地…