生产工艺上浅谈镀锌方管的区别方管简单聊聊镀锌方管的集中分类，我们先从其出产工艺上来看，这样是可以分为热镀锌方管和冷镀锌方管的。正是由于这两种镀锌方管的加不相同也就造就了它们许多不同的物理和化学性质。总的来说它们在强度、耐性和机械功能方面都有许多的差异。热镀锌方管：是在运用钢板或者是钢带弯曲成型后焊接制成的方管，并在这…

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.

长春市场方管价格稳中有降厂家心态稍有松动…方管长春市场方管价格稳中有降，市场成交稍有好转。从市场了解到，方管厂家心态稍有松动，不再一味挺价，午后有部分方管厂家试探性的下调价格，周末终端少量备货，成交量相比上周同期有所回升。现在方管厂家反应价格较为微妙，低价资源出货良好，平价资源出货较为一般。目前方管厂家成本较高，加之库存水平较高。所以价格下跌幅度… 唐山方管市场价格窄幅震荡转弱厂家库存消耗…方管今日唐山方管市场价格继续上行。早间开盘方管累涨20元，再度站上年内新高，现普碳方坯含税出厂价格3500元，积极提振市场信心，市场报价普遍上调，但是高位资源成交明显下滑，部分方管厂家盘中有让利出货的情况，午后期钢震荡下行，市场观望情绪浓厚，交投氛围继续减弱。据了解，明日唐山轧钢企业将正常生产，本周方管厂家库存…