包头镀锌方管市场价格下跌厂家成交量大幅缩…方管今日包头镀锌方管市场价格下跌。今日期螺开盘震荡运行，受此影响外围主导价格窄幅盘整。方管厂家方面，今日亚新、大安、德晟相继下调出厂价格，幅度30-50元，本地市场价格跟调。据了解， 包头今日大风，午后开始无法装车，导致今日成交量大幅缩水，大户出货量在300-800吨之间。原料方面，今日唐山普方坯下午降…

唐山方管市场价格先强后弱。受昨日成交好转，钢坯上涨支撑，早盘唐山方管价格稳中趋高，但终端采购放缓，高位出货弱，盘中部分方管厂报价跌10，但成交仍无起色，截止16点统计唐山23家方管厂家共出货35000吨，较昨日下降53.3%。工字钢7家7200吨，槽钢12家11800吨，角钢5家16000吨。今日期螺窄幅震荡，钢坯持早 盘涨后价格，方管市场成交转弱，观望氛围浓，但鉴于成本有支撑，预计明日唐山方管价格稳中窄幅调整运行。

Tangshan manages the market price first strong and then weak. Thanks to the improvement of yesterday's turnover and the increase of billet, the price of Tangshan Square Pipe in early trading stably increased, but the terminal purchase slowed down, the high delivery was weak, and the quotation of some Square Pipe Mills in mid-trading fell by 10, but the turnover still remained unchanged. As of 16 points, 23 Square Pipe Manufacturers in Tangshan shipped 35,000 tons, down 53.3% from yesterday. 7 I-beam steel 7,200 tons, 12 channel steel 11,800 tons and 5 angle steel 16,000 tons. Today's snail narrow range shocks, billet prices after the early rise, the square tube market turnover is weak, wait-and-see atmosphere is strong, but in view of the cost support, it is expected that Tangshan square tube prices will be stable, narrow adjustment operation tomorrow.

方管价格方面：现唐城产16-20工报价3860元，稳；大成产14-16工报价 3860元，稳；正丰产5#角钢报价3840元，稳；申达产14-20号槽钢报3870元，涨20元；电力产22-25#槽钢报价3930元，涨20元。

In terms of square pipe price: Tangcheng 16-20 works quoted 3860 yuan, stable; Dacheng 14-16 works quoted 3860 yuan, stable; Zhengyi 5 # angle steel quoted 3840 yuan, stable; Shenda 14-20 channel steel quoted 3870 yuan, up 20 yuan; Electricity 22-25 channel steel quoted 3930 yuan, up 20 yuan. 

临沂镀锌方管市场继续盘整运行厂家多持续企…方管临沂镀锌方管市场报价维持观望。市场方面，今日螺纹钢期货2005合约午收3540，贴水294元/吨，整体走势震荡格局。原料钢坯3400左右含税出库低价有成交，带钢145mm系部分 出清；355mm系列现货昨降5-15左右，裸价主流3330-3370；河北主导管厂现方管4寸(3.75mm)出厂报价在3880-4040之间，现 唐山当地方管市场价3830，名义利润30元… 厂家分析介绍方管力学性能支持的应用之处方管方管强度是指焊接方管资料正在静荷作用下抵制毁坏(适量塑性变形或者折断)的功能。因为负荷的作用形式有拉伸、紧缩、蜿蜒、剪切等方式，因为强度也分成抗拉强度、抗压强度、抗弯强度、抗剪强度等。各种强度间常有定然的联络，运用中正常较多以抗拉强度作为最根本的强度表针。Square tube strength refers to the function of …