上海方管稳中趋弱进行厂家挺价意愿较强方管上海方管市场价格跌30元。市场方面：管厂出货情况不佳，近期库存压力加大。因此方管厂家出现主动减产释放库存压力，目前正值方管厂家冬储管坯之际，方管厂家挺价意愿较强，管厂方面采购 管坯的积极性不强，对明年年初行情看法偏空。预计今年方管厂家管坯采购量不大，短期内方管厂家产量维持低位，库存将有所控…

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.

厂家分析介绍镀锌方管热处理的十个要点方管镀锌方管热处理的十个要点：一、镀锌方管及夹具在热处理前均应清除油污、残盐、油漆等外来物;二、在真空炉中首次使用的夹具，应预先在不低于工件所要求的真空度下进行除气净化处理;三、在热处理过程中易变形工件，应在专用夹具上进行加热。预热的方法有：一次预热为800℃，二次预热为500-550℃和850℃，一次预热升温度速度应… 国内方管价格亦或有趋弱可能厂家心态较为积…方管方管市场价格基本维稳。价格方面：由于期货震荡影响，方管市场价格略受波动，不过好在有利好支撑，各区域价格基本保持坚挺态势。华北区域：在环保迫切趋严情况下，相对于市场仍有一 定的刺激作用，因此方管厂家心态较为积极。不过，北方市场需求不及南方，因此价格上涨空间受限。华东区域：其环保相比北方没有那么严峻，因此…