焊接方管与无缝方管的本质差别在哪里？无缝方管是由无缝钢管冷拔挤压成型的方型钢管，并非直出的焊接方管，而焊接方管也称焊管，是用钢板或带钢经过卷曲成型后焊接制成的方管。焊接方管生产工艺简单，生产效率高，品种规格多，设备资少， 常用材质为：…

上海市场方管价格暂稳运行，商家谨慎出货为主。虽进入9月份，期货盘面也配合，但是市场成交并未如期释放。据上海地区贸易商反馈，昨日成交量 在正常水平的四分之三左右，离正常出货水平还有一定差距。而在当前资源成本依旧高位的情况下，贸易商也不愿下调价格。金九能不能真正实现，还得看市场需求具体情况。心态方面，市场贸易商对九月虽抱有希望，但又不敢有过多期盼，操作上还是以出货为主。综合来看，预计上海方管市场将持稳运行。

Shanghai market manages the price temporarily and steadily. Businessmen are mainly cautious in delivering goods. Although entering September, the futures market also cooperated, but the market did not release as scheduled. According to feedback from traders in Shanghai, yesterday's turnover was about three-quarters of the normal level, which is still far from the normal level of shipment. However, traders are reluctant to cut prices when the cost of resources is still high. Whether Jinjiu can really be realized depends on the specific situation of market demand. In terms of mentality, although market traders are hopeful for September, they dare not expect too much. In operation, they still focus on shipment. Generally speaking, it is expected that the Shanghai Square Management Market will operate steadily. 方管价格方面：今日上海鞍钢无花1.0*1250*C报价4510元/吨，本钢 1.0*1250*C报价4500元/吨，马钢1.0*1250*C报价4800元/吨，首钢1.0*1250*C报价4550元/吨，唐钢 1.0*1250*C报价4520元/吨。

As for square pipe price, Anshan Iron and Steel Co. Ltd. today quotes 4510 yuan/ton for No-flower 1.0*1250*C, Benxi Iron and Steel Co. 1.0*1250*C for 4500 yuan/ton, Ma Steel 1.0*1250*C for 4800 yuan/ton, Shougang 1.0*1250*C for 4550 yuan/ton, Tangshan Steel 1.0*1250*C for 4520 yuan/ton.

　　天津镀锌方管价格将稳定运行为主厂家心态较为悲…今日天津镀锌方管市场价格出现下调趋势，现天津冷轧主流报价4540-4600元/吨左右。通过和方管厂家联系得到的反馈，近期热卷期货价格持续维持下跌，方管厂家心态较为悲观。目前来看天津市场需求方面较差，市场成交面较为…