泰安方管市价随行偏弱厂家走量回款为主方管泰安方管市价随行偏弱。市场方面，今日螺纹钢期货2005合约尾盘跳水，最高3522最低3483，尾盘收3485跌37，仓量276万手，增0.4万手。原料带钢 145mm系主稳，2家出清日产；355mm系列与昨变动不大，现货裸价主流3350-3390，期货3330-3360左右；河北主导管厂现方管4寸 (3.75mm)出厂报价在3930-4090之间，现唐山当地…

北京市场镀锌方管市场价格稳中有涨，市场方面：今日开盘，黑色系期货价格上涨，但北京地区首钢等大厂价格并未上涨，仅部分民用镀锌钢厂小幅上涨10-20元，市场出货情况一般。钢厂方面：昨日 鞍钢出台9月份期货调价信息，热镀锌方管和彩涂板基价均保持不变。库存方面：据不完全统计，当前北京镀锌库存约4500吨 ，较上周小幅增加。一方面受雨天天气影响，下游需求较差；另一方面本月钢厂资源陆续到库，导致库存增加。贸易商方面：据方管厂家反馈，近两日黑色系期货连续拉 涨，市场成交有所好转。方管厂家多出货回笼资金为主，以缓解库存和资金压力。综合来看，钢厂9月份期货基价保持不变，市场需求并未有明显放量，预计北京镀锌方管价格或将震荡盘整运行。

Beijing market galvanized square pipe market prices have risen steadily, market: today's opening, black futures prices have risen, but Beijing Shougang and other major plant prices have not risen, only some civilian galvanized steel plants rose slightly by 10-20 yuan, the market delivery situation is general. Steel works: Yesterday, Anshan Iron and Steel Co. introduced the September futures price adjustment information, the base price of hot-dip galvanized square tubes and color coated sheets remained unchanged. Inventory: According to incomplete statistics, the current inventory of galvanizing in Beijing is about 4500 tons, a slight increase over last week. On the one hand, due to the rainy weather, the downstream demand is poor; on the other hand, this month, steel plant resources have been in storage, resulting in an increase in inventory. Traders: According to feedback from the regulator, black futures have been rising continuously in recent two days, and the market turnover has improved. In order to alleviate the pressure of inventory and capital, square managed factories mainly pay more money for returning goods. Generally speaking, the base futures prices of steel mills remained unchanged in September, and there was no obvious market demand. It is expected that the price of galvanized square tubes in Beijing will be oscillated and reorganized. 方管价格方面：北京镀锌鞍钢有花1.0mm*1250*C报4790元/吨，首钢无花1.0mm*1250*C 报4720元/吨，凤鸣有花1.0mm*1000*C报4350元/吨；兆建有花1.0mm*1250*C报4400元/吨。

As for square pipe price, Beijing Galvanized Anshan Iron and Steel Co. Ltd. will spend 1.0mm*1250*C at 4790 yuan/ton, Shougang No-flower 1.0mm*1250*C at 4720 yuan/ton, Fengming will spend 1.0mm*1000*C at 4350 yuan/ton, Zhaojian will spend 1.0mm*1250*C at 4400 yuan/ton.

方管和矩形管冷弯成型时不同的特点方管冷弯方管、冷弯矩形管是通过外辊与管坯外壁的单向接触形成弯矩使带料弯折,冷弯会使弯折线产生压缩,压缩效应使弯折线纵向伸长,弯折处金属出现堆积变厚,这就是冷弯的压缩/增厚效应。Cold-formed square pipe and cold-formed rectangular pipe bend the strip through the unidirectional contact between the outer roll and … 合肥方管市场降后观望厂家出货尚可方管合肥方管市场降后观望。唐山京华新国标产1.5寸（3.5mm）方管主流价格报价4190元，4寸（3.75mm）方管主流价格报价4130元，6寸（4mm）方管主流价格报价4340元。方管原料方面，今日上游昌黎部分钢坯公布12月31日--1月2日早上钢坯执行结算价3300；唐山瑞丰355mm系列带钢出厂报价3640，较昨日主流价格下调10元。方管市场方面，今日…