方管材质在什么状态下被称为合金方管方管方管在使用状态下以铁素体组织为主的叫合金方管。含铬量在11%~30%，具有体心立方晶体结构。这类钢一般不含镍，有时还含有少量的Mo、Ti、Nb等到元素，这类钢具导热系数大，膨胀系数小、抗氧化性好、抗应力腐蚀优良等特点，多用于制造耐大气、水蒸气、水及氧化性酸腐蚀的零部件。这类合金方管存在塑性差、焊后塑…

方管市场价格稳中趋强。成交方面看，今日出货清淡，邯郸千吨级大户出货在200吨左右，上海乐从500吨左右，南方出货较北方稍强。值得一提的是，由于北方需求不佳，目前北材南下进程有所提前，而南方地区近期又出现台风暴雨侵袭，成交堪忧。预计明日国内方管价格或有小幅回落可能。

Square management market prices are stabilizing and becoming stronger. In terms of transaction, today's shipment is light. Handan's large 1000-ton shipments are around 200 tons, Shanghai's Lecong 500 tons, and southern shipments are slightly stronger than northern shipments. It is worth mentioning that due to the poor demand in the north, the process of northbound timber moving southward has been ahead of schedule, and the recent typhoon rainstorm in the southern region has attacked, and the transaction is worrying. It is anticipated that there will be a slight drop in domestic prices tomorrow. 昨日夜盘，期货挖坑回调，早盘再次拉涨，带动天津、上海等地价格小涨10-20元，而邯郸、上海等地则企稳观望。今日开盘后，期货高位震荡，较昨 日的大幅拉涨，今日则呈现压力。今日期螺收于3746元，较昨日涨41元，维持高位的主要原因或在于地方债的提前下达。另外，唐山丰南区的二阶段环保管控 文件发布，较一阶段有所松动，也给与空头炒作题材，今日尾盘价格出现回落。

Yesterday evening, futures digging hole callback, early market rallied again, driving prices in Tianjin, Shanghai and other places up by 10-20 yuan, while Handan, Shanghai and other places are stable and wait-and-see. After the opening of today's market, futures high volatility, compared with yesterday's sharp rise, today is pressured. Today's snails closed at 3,746 yuan, up 41 yuan from yesterday's. The main reason for maintaining the high level may lie in the early issuance of local debt. In addition, the release of the second-stage environmental protection control documents in Fengnan District of Tangshan was looser than that in the first stage, and it also gave short-term speculation. Today's final price has fallen.

方管价格方面，国内方管卷板均价3715元(吨价，下同)，较昨日上涨8元，较上周同期上涨37元。

In terms of square tube prices, the average price of domestic pipe coiled sheets is 3715 yuan (ton price, the same below), up 8 yuan from yesterday and 37 yuan from the same period last week.

短期西安方管市价稳中弱势运行价格下跌20-…方管西安方管市场价格下跌20-100元，当地包钢资源货少。今日管坯个别调整，山东地区各管厂出厂价格暂无变动，市场方面，西安方管市价主流价格下跌20-100元，现商家操作谨慎，对后市不大看好，补 库意愿不强，前期库存释放缓慢，临近五一，市场有让利走量的现象出现。市场观望情绪浓厚。预计短期西安方管市价稳中弱势运行。The ma… 天津本地镀锌方管价格稳中震荡趋稳出货为主…方管天津镀锌方管市场观望出货。期螺方面，期螺2005午间收3558，跌5跌幅0.14%。低开3547，冲高回落，最高3567，最低3542，持仓减0.4万手，支撑 3530，压力3580。虽然早盘期螺冲高回落，但临近年底方管厂家挺价观望意愿较强，趋稳出货为主，现首钢主流规格售价在4580-4600元/吨；此外本地原日成交量在200吨左右的中户，近几日成交…