方管材质在什么状态下被称为合金方管方管在使用状态下以铁素体组织为主的叫合金方管。含铬量在11%~30%，具有体心立方晶体结构。这类钢一般不含镍，有时还含有少量的Mo、Ti、Nb等到元素，这类钢具导热系数大，膨胀系数小、抗氧化性好、抗应力腐蚀优良…

广州市场方管价格小幅下调；今日期螺宽幅震荡尾盘小幅收红，原材料方面现昌黎普碳方坯含税出厂3540涨10。今日广州当地方管市场成交普遍好转，方管价格早盘偏弱运行；到午后随着期货翻红、成交放量，部分资源报价开始尝试回调拉涨。临近收市当地又出现暴雨天气，从长期基本面来看方管价格还是缺乏支撑上涨的动力，方管厂家操作谨慎出货为主。综上所述，预计明日广州当地方管价格或以稳为主。

Guangzhou market square tube price slightly reduced; today's snail wide vibration tail dish slightly red, raw materials are now Changli Pu carbon billet factory 3540 tax rise 10. Nowadays, the local management market in Guangzhou has generally improved, and the price of the local management market has been weaker in early trading. By afternoon, with the futures turning red and trading volume, some resource quotations began to pull back and rise. Close to the closing of the market, there is another rainstorm, from the long-term fundamentals, regardless of whether the price or lack of incentives to support the rise, traders are mainly cautious in handling shipments. To sum up, it is expected that the local price in Guangzhou will be stable tomorrow.

方管价格方面，现广州市场上韶钢产Ф8-10mm高线市场价格为4360 元，Ф8-10mm抗震盘螺4480元/吨，18-25三级抗震螺纹钢4170元/吨；广钢产Ф8-10mm高线市场价格为4180元，Ф8-10mm抗 震盘螺4330元/吨，18-25三级抗震螺纹钢4100元/吨；以上资源与昨日相比降10-20元。

As for square pipe price, the market price of Shaogang 8-10mm high-speed line in Guangzhou is 4360 yuan, 8-10mm anti-seismic disc screw 4480 yuan/ton, 18-25 three-level anti-seismic screw steel 4170 yuan/ton; Guangzhou steel 8-10mm anti-seismic disc screw 4330 yuan/ton, 18-25 three-level anti-seismic screw steel 4100 yuan/ton; the above resources are 10-20 yuan lower than yesterday. 

　　今日无锡方管价格窄幅调整市场成交一般无锡方管价格窄幅调整，市场方面，今日本地市价窄幅调整，今晨华北地区钢坯上涨20元/吨，加之中美贸易战利好提振，因此市场上贸易商纷纷小幅上调10元。但因相关联品 种库存高价格低，打压方管市场，为促成交市场多是议…