分析方管表面缺陷的五种检测方法方管表面缺陷的检测方法，主要有以下五种：一电涡流检测.电涡流检测有多种形式，常用的有常规涡流检测、远场涡流检测、多频涡流检测和脉冲涡流检测等，利用电涡流传感器对金属进行感应，方管表面不同缺陷类型和形…

邯郸方管市场价格小幅上涨。受唐钢坯和方管价格止跌反弹影响，今日邯郸方管价格低位上涨20-30元，午前成交课，但午后高位有所转弱。据悉，本地方管厂家不多，且多采取钢 厂直发，现货库存很少，故对外报价紧跟成本端。而市场主要是唐山、午汲、传洋、兴华等资源。午后昌黎钢坯涨20，成本暂有支撑，期螺日盘窄幅震荡，继续上 拉动力显不足，市场观望心态转浓，故预计明日邯郸方管市场价格稳中偏强调整。

Handan Fangguan market prices rose slightly. Affected by the rebound of Tang steel billet and square pipe prices, the low price of square pipe in Handan rose 20-30 yuan today, closing classes before noon, but the high in the afternoon weakened. It is reported that there are not many local managers, and steel mills are mostly used for direct delivery, and spot inventory is very small, so the external quotation is closely followed by the cost side. The market is mainly Tangshan, Wuji, Chuanyang, Xinghua and other resources. In the afternoon, the billet of Changli Steel increased by 20, the cost was temporarily supported, the daily trading of snails was narrow, the pull-up power was insufficient, and the market wait-and-see mentality became strong. Therefore, it is expected that the market price of Handan Square Pipe will be stable in the middle of the next day.

方管价格方面：现唐山产25#工字钢价格为3990元，涨20元；唐山产16#槽钢 价格3920元，涨20元；午汲产10号槽钢价格3810元，涨30元；唐山产5#角钢价格为3990，涨30元(以上价格均为过磅含税价)。

　　天津方管基本持稳的同时弱势运行出货量低位平稳…本周天津方管市场涨跌两难。周内，本地天钢产热轧管坯价格和山东中小管厂出厂价平稳运行，受此影响，本地方管价 格调整的幅度并不大，仅仅窄幅波动。从市场了解到，临近年底多数终端方管厂家已无新增采购计划，因此市…