方管和矩形管的两种成型工艺方管随着国内经济建设，特别是在建筑行业的发展，方管和矩形管的广泛使用也增加，其增加的使用，它的性能也提出了严格的要求。现在的主要生产厂家，通常有两种方式，一般管工艺成型的标准是弯曲的，方管，又是什么呢？矩管的成型通常称为弯曲，这种弯曲的方法，然而，在方钢管行业将归类为真正的弯曲，另一种是空…

国内方管各地区市场价格稳中个跌，成交一般，部分贸易商表示较正常出货降低20%左右。近日国内方管现货贸易商出货量依然是正常偏弱，方管原料下调，出厂价明降，不过当前各地贸易商库存量不大，对市价尚能形成一定支撑，今日部分地区下 跌，多以出货为主，保利降价出货。中美贸易战利空，短期价格不支持大幅上扬。不过建国周年，后期较大可能政策引导利多。预计短期国内方管市价稳中趋弱运行。 价格方面，国内方管重点城市，规格108*4.5mm平均价格4947元，较上个交易日跌5元。

Domestic market prices in all regions have fallen steadily, with average turnover. Some traders have said that they are about 20% lower than normal shipments. In recent days, the domestic local control spot TRADERS'shipments are still normal and weak, while the raw materials are lowered, and the factory price has fallen sharply. However, the current stock of traders around the country is not large enough to support the market price. Today, some areas have fallen, mostly with shipments as the main factor and poly-price reduction. Sino-US trade war is bad, short-term prices do not support a sharp rise. However, on the anniversary of the founding of the People's Republic, it is more likely that policy guidance will be more favorable in the later period. It is expected that the domestic market price will be weakened in the short run. In terms of price, the average price of 108*4.5mm in key cities under domestic control was 4947 yuan, down 5 yuan from the previous trading day. 今日管坯价格，现江鑫热轧3900元，连铸3800元下调20元，鲁丽热轧3880元下调20元，天钢热轧3960元，连铸3960元下调20 元，潍钢热轧3970元，连铸3810元，东方热轧4130元下调50元，淮钢4340元，中天4320元，长强4270元。

Today's tube billet price, Jiangxin hot rolling 3900 yuan, continuous casting 3800 yuan down 20 yuan, Luli hot rolling 3880 yuan down 20 yuan, Tiangang hot rolling 3960 yuan, continuous casting 3960 yuan down 20 yuan, Weigang hot rolling 3970 yuan, continuous casting 3810 yuan, Dongfang hot rolling 4130 yuan down 50 yuan, Huaihua steel 4340 yuan, Zhongtian 4320 yuan, Changqiang 4270 yuan.

近日临沂管厂出厂价处于明显下调态势，现出厂价格4370-4450元。

In recent days, the ex-factory price of Linyi Pipeline Plant has been significantly lowered, with the ex-factory price of 4370-4450 yuan.

14日16:30昌黎部分钢坯资源降20元，现普碳方坯含税出厂3510元。

Some billet resources in Changli fell by 20 yuan at 16:30 on the 14th, and now ordinary carbon billets are discharged with tax of 3510 yuan.

短期内方管或保窄幅调整态势厂家出货压力不…方管方管市场价格横盘整理。早盘开市，黑色系市场低开高走，然现货市场看涨心态并不高，方管报价基本以稳为主。消息面来看，今日重磅消息出台减少，对钢价影响亦有减小。目前临近假期， 市场需求逐步趋弱，下游采购端积极性不高，据市场反馈，虽市场仍有到货现象，但量均不大，库存累积速度较慢，方管厂家出货压力暂且不大。现国… 方管和矩形管冷弯成型时不同的特点方管冷弯方管、冷弯矩形管是通过外辊与管坯外壁的单向接触形成弯矩使带料弯折,冷弯会使弯折线产生压缩,压缩效应使弯折线纵向伸长,弯折处金属出现堆积变厚,这就是冷弯的压缩/增厚效应。Cold-formed square pipe and cold-formed rectangular pipe bend the strip through the unidirectional contact between the outer roll and …