购买方管时最实用的三种方管理论重量计算方…方管方管的三种理论重量算法：关于方管的重量的计算方法，总共有三种方式。第一种，就是用钢板算法，也就是，将一个正跟的方管展开，然后形成一个四片扁钢，然后在对扁钢进行计算。这种计算方法计算出来的重量，会与实际的方管的重量有比较大的差异，比实际的重量重。因为，这种方法会把中间重叠的部分的重量计算…

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.

沈阳镀锌方管价格维稳运行厂家以出货回笼资…方管今日沈阳市场镀锌方管价格弱势下行。据方管厂家反馈，近期下游终端采购节奏放缓，终端多按需拿货，以刚需为主，今日部分方管厂家出货量330吨左右。受本月订货成本较高影响，部分市场方管厂家不同程度上减少订货量，对后市多观望为主。心态方面，今日期卷震荡翻红，提振市场小部分信心，午后市场低价资源交投氛围尚可。进入下… 国内方管市场价格稳中上调观望心态较重方管方管市场价格部分地区小幅上调，主要以南方为主，涨后成交有所跟进，借此方管厂家均以出货为主，现货资源仍然有部分规格较为稀缺，钢厂端成品 库存也受限产有一定限制，北方重点城市唐山方管钢厂指导价格有涨有跌有稳，北方普遍以稳为主，观望心态较重，基本面仍然较空，方管价格虽有一定支撑，但市场对方管价格仍恐慌，有看…