导致无缝方管点腐蚀的材料因素分析今天小编为各位讲解一下影响无缝方管点腐蚀的材料因素都有哪些。合金成分对无缝方管来说，0、10及F等元素是使合金具有良好抗点腐蚀性能的主要合金元素。其他一些元素也可能有一定的效果，K等元素则会降低无缝方管…

沈阳镀锌方管市场价格下跌30元。原料方面，今日唐山瑞丰355mm系列带钢价格3730元，较上个交易日下跌10元。部分方管厂家出厂价格下调10-20元。今日沈阳镀锌方管市场价格 下跌30元，市场成交情况一般。由于近期方管市场需求萎靡，加上市场竞争激烈，当地方管厂家为加快库存降速普遍降价出货，但下游采购整体未见好转，所以方管厂家对后 市行情并不看好。库存方面，维持在低位水平运行，操作谨慎。整体来看，短期内沈阳镀锌方管市场将震荡偏弱运行为主。

The market price of galvanized square tubes in Shenyang fell by 30 yuan. In terms of raw materials, the price of Tangshan Ruifeng 355mm series strip steel today is 3730 yuan, down 10 yuan from the previous trading day. The ex-factory price of some square tube manufacturers was reduced by 10-20 yuan. Today, the market price of galvanized square tubes in Shenyang has dropped by 30 yuan, and the market turnover is general. Due to the recent sluggish market demand, coupled with fierce market competition, local managers generally reduce prices to speed up inventory decline, but the overall downstream procurement has not improved, so local managers are not optimistic about the future market. In terms of inventory, keep running at a low level and operate cautiously. Overall, in the short term, the galvanized square pipe market in Shenyang will be shaky and weak operation.

方管价格方面，现友发产4寸（3.75mm）焊管价格4100元；吉立（正大）友发产 4寸（3.75mm）焊管价格4080元。镀锌方管：友发产4寸（3.75mm）镀锌方管价格4780元；正金元产4寸（3.75mm）镀锌方管价格4650 元；吉立（正大）产4寸（3.75mm）镀锌方管价格4690元。

As for square pipe price, the price of 4-inch (3.75 mm) welded pipe produced by Jili (Zhengda) and 4-inch (3.75 mm) welded pipe produced by Jili (Zhengda) is 4100 yuan. Galvanized square pipe: Youfa 4 inch (3.75 mm) galvanized square pipe price 4780 yuan; Zhengjin 4 inch (3.75 mm) galvanized square pipe price 4650 yuan; Jili (Zhengda) 4 inch (3.75 mm) galvanized square pipe price 4690 yuan. 

　　上海镀锌方管价格仍以平稳运行为主成交情况较为…上海镀锌方管报价平稳，方管厂家以出货为主。综合来看，上海镀锌方管市场行情偏盘整运行。近日从部分方管厂家了解到，上海镀锌方管成交情况较为一般。一 方面，临近春节，大多数方管厂家和下游终端客户陆续开始放假，…