广州镀锌方管价格或将高位震荡成交较上周稍…方管本周期货、现货多震荡运行，唐山钢坯普碳含税出厂3170较上周同期涨30元。广州镀锌方管价格较上周同期基本维稳，市场整体成交较上周稍弱。据数据显示：5月13日广州镀锌方管库存176.06万吨，盘线52.21万吨，螺纹123.85万吨，较上周（5月6日）降 18.54万吨；5月15日，兰格钢铁网调研统计广东地区钢厂，镀锌方管总…

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.

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 … 期昆明方管价格弱稳运行市场成交较弱方管昆明市方管暂时稳定，市场成交较弱。市场方面，据方管厂家反馈，攀钢10月16日方管电商开单价格平盘。库存方面，方管厂家发货量增加，攀钢库存大概有7700吨左右，资源充足，预估市场 合计有9000吨，较节前增幅较大，库存压力初现；需求方面，成交不温不火，，由于期货盘面下行，终端的观望情绪比较浓厚。近期大户出货保持在80…