方管在生产过程中要注意的几个重点方管作为一个生产方管的厂家要对方管的各个工艺流程、钢管材质性能有足够的掌握，在客户订购焊管的时候方管和矩形管是客户的选择对象。我们多次提到方管和矩形管的优劣，方管在生产过程中只有管端的尺寸是最严格的的，毕竟方管不同于矩形管，所以在生产方管的时候要注意把口径和管端做到最好，以便于在安装焊接过…

本周上海方管市场价格小幅下跌，随着唐山相关部门发布《8月份大气污染防治管控方案》文件，对八月份的环保限产工作作出 了初步指示，长流程钢厂按环保评级对高炉和烧结等工序进行限产，调坯轧材企业分AB轮轮流生产的方式停限产，综合来看此次文件传达的环保限产力度大概率将 不及七月，预计8月份产量环比上升。期货方面：螺纹期货夜盘开盘3839，午盘收报3821跌57跌幅1.47%，减仓13万多手。期螺夜盘低位震荡，今早开盘像玩蹦床似的，跳下去又弹上来，不过继续低位运行。

The price of square pipe market in Shanghai dropped slightly this week. With the publication of the document "Air Pollution Prevention and Control Plan in August" by the relevant departments in Tangshan, preliminary instructions were given to the environmental protection production restriction work in August. The long process steel mill limited the production of blast furnace and sintering processes according to the environmental protection rating, and the slab rolling mills were divided into AB rotation production. The way to stop production restriction, in a word, the rate of environmental protection productivity restriction transmitted by this document will be less than that in July, and production is expected to rise annually in August. Futures: Threaded futures opened 3839 at night, closing at 3821, down 57, or 1.47%, with a reduction of more than 130,000 hands. Snail night disc low shock, this morning opened like a trampoline, jump down and bounce up, but continue to run low. 周上海方管库存43.29万吨：较前期整体库存增加2.46万吨：线材4.59万吨，螺纹钢38.7万吨。目前来看：本周成交受阻，叠加盘面低迷，多数商家心态转弱，为降风险，出货成交为主。综上所述，预计下周上海方管市场价格或窄幅趋弱调整。

Zhou Shanghai square pipe inventory 432,900 tons: 246,600 tons more than the previous overall inventory: 45,900 tons of wire rod, 387,000 tons of thread steel. At present: this week's transaction is blocked, the overlapping market is depressed, and most businesses have a weakening mentality. In order to reduce risk, shipment is the main transaction. To sum up, it is expected that the Shanghai Square Management Market price will weaken or adjust in a narrow range next week.

方管价格方面，截至8月2日九江产Φ8-10mm高线市场价格为3970元，较上周价格价格下跌70元；永、沙钢产 Φ16-25mm三级螺纹钢市场价格为3860元，较上周价格下跌100元；中天产Φ16-25mm三级螺纹钢市场价格为3850元，较上周价格下跌 100元；中天产Φ8-10mm三级盘螺市场价格为4110元，较上周价格下跌100元。

As for square pipe price, the market price of 8-10mm high-speed line in Jiujiang as of August 2 was 3970 yuan, which was 70 yuan lower than last week's price; the market price of 16-25mm threaded steel in Yongshan and Shagang was 3860 yuan, which was 100 yuan lower than last week's price; the market price of 16-25mm threaded steel in Zhongtian was 3850 yuan, which was 100 yuan lower than last week's price. Zhongtianshan 8-10mm three-stage snail market price is 4110 yuan, down 100 yuan from last week's price.

天津方管市场价格以稳为主厂家难以持续减产…方管虽然目前由于短期到货减少和宏观利好的支撑，价格下行暂时得到控制，但目前方管厂家利润尚存，方管厂家难以持续减产，再加上火运受阻也是临时，短期将快速 缓解，宏观利好的作用也会随着时间慢慢稀释。而目前供需矛盾难以缓解，加上年末将至，资金回笼压力增大，方管厂家对于冬储普遍偏向谨慎，市场价格易跌难涨。因 此，预计… 天津方管市场价格仍将维持震荡偏弱运行方管本周方管行情回顾：周初开市期螺保持高位震荡走势，但现货市场并不配合，终端 用户心态较为谨慎维持按需采购，中间商实际成交中亦以优惠让利出货为主。此后，期螺一路震荡下行，市场观望情绪浓厚，同时近期连续大雾天气加上钢坯下移因 素叠加导致市场成交比较惨淡，仅个别低价有成交，市场持续走弱。周中，期螺夜盘低位震荡，…