保证方管曲折和校直最有效的方法方管让现已加工成制品方管具有较小曲折度还得依靠机械东西校直机来完结。所以为了消除方管曲折，一切方管都需求经过冷校直。方管曲折是因为轧机调整不妥，轧制时残留的剩余应力以及因为沿管子截面和长度上冷却不平等缘由形成的。因而，不行能从轧机直接得到很直的管子，只要通过冷校直管子的曲折度才干满意技能条…

周初开市，期螺低开，全天低位运行，方管市场成交差，市场情绪普遍低落，方管厂家降价销售，。周中期，随着中美磋商的进行，期螺强势翻红，市场信心受到提 振，不过在午后传出中美磋商“不欢而散”的消息后，期货毫不犹豫的再次走低美联储降息，股市、期货全部泛绿，市场悲观气氛骤增。周后期，特朗普再放对中国 产品加征关税的较大利空，期货现货双双走弱，方管厂家情绪普遍低迷。

Opening at the beginning of the week, the snail market opened at a low level, running at a low level throughout the day, the market turnover was poor, the market sentiment was generally low, the square manages the manufacturers to reduce prices and sales. In mid-week, with the Sino-US negotiations going on, the snail strength turned red and market confidence was boosted. However, after the news that Sino-US negotiations had broken up in the afternoon, futures did not hesitate to lower the Fed's interest rate again, the stock market and futures all turned green, and the market pessimism increased sharply. Late in the week, Trump again put tariffs on Chinese products into the air, both futures and spot weakened, and the mood of local regulators was generally depressed. 在高温雨水天气的影响下，工地施工进展缓慢，整体需求依旧较弱。月底钢厂协议户为完成既定协议开始增量，据兰格钢铁网8月2日统计数据显示，唐山 方管市场库存总量为6.87万吨，比上周同期增加0.9万吨。7月唐山限产趋严的情况下，钢厂产量仍然偏高，8月限产有松动迹象更是加大了后市的压 力，供需矛盾日趋激烈。

Under the influence of high temperature and rainwater weather, the construction progress is slow and the overall demand is still weak. At the end of this month, in order to complete the agreed agreements, the agreement owners began to increase. According to the statistics of Langer Iron and Steel Network on August 2, the total inventory of Tangshan square pipe market was 68.7 million tons, an increase of 0.9 million tons over the same period last week. In July, when Tangshan's production restriction became stricter, the output of steel mills was still on the high side. In August, there were signs of loosening of the production restriction, which increased the pressure of the future market, and the contradiction between supply and demand became increasingly fierce.

8月1日凌晨，美联储降息25个基点下调至2.00%-2.25%，是近10年以来首次降息。随着70周年大庆的来临，据传8月份部分工地将停 工，对市场需求有影响。短期来看，季节性需求尚未完全兑现，利空消息仍存在消化的时间和空间，消息影响仍然占据主要因素，钢市反复震荡的格局仍然未变，预 计下周唐山方管市场价格或将呈弱势调整。

In the early morning of August 1, the Federal Reserve cut interest rates by 25 basis points to 2.00% - 2.25%, the first rate cut in nearly 10 years. With the coming of the 70th anniversary celebration, it is rumored that some construction sites will be shut down in August, which has an impact on market demand. In the short run, seasonal demand has not yet been fully realized, bad news still has time and space to digest, news impact still occupies the main factor, the pattern of repeated shocks in the steel market remains unchanged, and it is expected that the market price of Tangshan Fangguan will be weakly adjusted next week.

方管价格方面：截至8月2日唐山螺线成交指导价格：Φ8-10mm高线国义3920元(吨价，下同)，较上周同期跌80 元。Φ20mm三级抗震螺纹钢河钢3840元，较上周同期跌80元，津西3770元，较上周同期跌140元，东华3780元较上周同期跌120元。 Φ8-10mm盘螺国义4010较上周同期跌80元，东华抗震4060元较上周跌90元。

In terms of square pipe price, as of August 2, the guided price of Tangshan spiral transaction: Guoyi 3920 yuan (ton price, the same below) of the 8-10 mm high-speed line, which is 80 yuan lower than the same period last week. The 3 840 yuan of 20mm three-level aseismic threaded steel Hegang was 80 yuan lower than the same period last week, 3 770 yuan in Jinxi, 140 yuan lower than the same period last week, and 1 280 yuan lower than the same period last week in Donghua. 8-10mm Panluo Guoyi 4010 was 80 yuan lower than the same period last week, and Donghua earthquake-resistant 4060 yuan was 90 yuan lower than last week.

国内方管市场价格或易跌难涨以弱势维稳为主…方管方管市场价格基本维稳。今日开市，黑色系市场窄幅下行，方管现货基本持稳。由于利多因素有限，市场价格大幅上涨可能性不大，虽然目前钢材库存相对低位，但市场实际需求及 钢材用量较往月有所下降，叠加采购端谨慎操作，按需为主，因此价格拉涨相对不易。另外，成本方面矿石焦炭走势亦偏弱，且成交不佳，对价格支撑较为不利。… 唐山方管价格稳中窄幅调整运行成交仍无起色…方管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…