方管市场旺季不旺原因在于厂家经营模式陈旧…方管近年来，方管行业的发展已经趋近成熟的状态，发展到了一定程度自然不能用传统营销模式。因此方管行看似不像以往那样生意红火，其实是到了该转变经营模式的时候。业内人士对于方管行业平淡并不意外，方管促销活动玩出新花样才能带来新一轮“旺季”。据发现，近日广州方管市场节后仍在促销。然而，低价促销并未…

贵阳市场主流方管价格持稳运行，今日期螺强势拉升，突破3900点位，截至收盘累涨144点。唐山方坯今日累涨20元，现普碳方坯含税出厂3580。今日期螺震荡上行，贵阳方管市场成交情况稍 有好转，大户出货在1500吨左右，目前期货已经维持上行趋势，但是贵阳地区市场价格并未出现明显上涨，方管厂家恐高心态严重。还是以谨慎出货降库为主，目 前产量逐渐增加，淡季供应压力增大，但是期螺出现大涨，方管厂家对此均较为谨慎。并且市场价格方面没有明显反应。以观望为主，预计未来贵阳市方管场价格小幅上调。

Guiyang market mainstream square tube prices have been running steadily. Today's snails have been pulling up strongly, breaking through 3900 points and rising 144 points by the end of the market. Tangshan billet is up 20 yuan today, and now the ordinary carbon billet is out of the factory with tax of 3580. Today's concussion is on the rise, Guiyang Fangguan market turnover has improved slightly, large-scale shipments in about 1500 tons, futures have maintained an upward trend, but market prices in Guiyang have not risen significantly, traders fear high mentality is serious. At present, production is increasing gradually and supply pressure is increasing in off-season, but snails are rising sharply, traders are more cautious about this. And there is no obvious reaction on the market price. In the future, the price of Guiyang local pipe farm will be increased slightly. 方管价格方面，贵阳市场螺纹钢、盘螺批量成交指导价格：三级E标螺纹钢方面，水钢产Φ18-25mm螺纹钢市场价格为4410元，较昨日持稳；水钢产Φ10mm盘螺市场价格为4920元，较昨日持稳。

In terms of square pipe prices, the guiding prices for bulk trading of threaded steel and disc screw in Guiyang market: For threaded steel with three-level E standard, the market price of Shuigang 18-25mm screw steel is 4410 yuan, which is more stable than yesterday; and the market price of Shuiyang 10mm disc screw is 4920 yuan, which is more stable than yesterday.

分析方管表面缺陷的五种检测方法方管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状将产生不同类型的信号。其优点是检测精度高、探测灵敏度高，检测速度快，能检测待检测管材的表面及亚表面，且… 重庆镀锌方管价格稳中盘整厂家并未跟随上调…方管重庆方管市场平稳出货。期螺方面，期螺2005午间收3563，涨20涨幅0.56%。高开3545，震荡走强，最高3575，最低3535，持仓增近8万手，支撑 3540，压力3575。尽管早盘期螺震荡走强，但方管厂家并未跟随上调，平稳出货为主，现主流规格售价在4540-4560元/吨；此外市场需求或将进一步 缩量，方管厂家普遍表示备货意愿不强，对于下游…