The market price of Zhengzhou copper bars is basically stable， and the shipment is not good. In terms of tube blank: today， Shandong Luli tube blank slightly reduced by yuan， and the current mainstream ex factory price is - yuan. In terms of pipe plant: Linyi Pipe Plant locked the price for a week. With a stable market mentality， the factory price of hot rolled seamless pipes is now between - yuan. On the market side: with the arrival of the off-season， traders generally ship goods at a high price. Replenishment is mainly to maintain the existing inventory， and there is no large replenishment plan. The demand is sluggish， the market price of Zhengzhou copper bar was basically stable. According to the monitoring data of the Lange cloud business platform， the current market price of * mm Linyi copper bar was yuan (ton price， the same below)， the * mm copper bar was yuan， and the * mm copper bar Henan copper bar was yuan.
이 드 쿠The copper pipe has high welding precision，이 드 쿠복합 동갈비， fast production speed， good surface finish and beautiful appearance. Therefore， it is widely used in precision welding industries such as glasses， hardware， electronics， accessories， sanitary ware and kitchenware.
구리 재료의 저장 방법에 대해 말하자면， 우리는 우리가 구입한 구리 제품을 잘 보관하고， 구리의 사용 수명을 연장하며， 그 성능을 확보하여 불필요한 손실을 피해야 한다.
보리 풀The excellent performance of copper pipe The copper pipe has the characteristics of and， which makes it a suitable choice for modern contractors to install water pipes heating and cooling pipes in all residential commercial housing.
In view of the current overall price difference， the local copper bar price continued to rise at a high level today， while the regions outside East China did not show an obvious follow-up trend， and the local price still has the advantage of price difference with the Northeast and Central China regions. The local inventory pressure will be further reduced due to the small volume of local follow-up goods under the influence of production restriction， and the price support of copper bar is still strong. However， at present， domestic real estate control is still being tightened. The markets expectation of future demand is weakening， and the markets fear of heights appears after the price rises.Today， the market price of copper bars in Shenyang is stable and the shipment is poor.
Because of the characteristics of copper itself， the problem will be smaller， but if it is placed for a long time the copper will be damaged. Many people do not know how to treat the copper surface? Now let the staff answer for you.
용접할 때 드라이어는 납관에 수직해야 하고 화염은 련속 이동하여 국부적인 과열과 용접제가 충전금속을 첨가하기전에 탄화되는것을 방지해야 한다.
오염으로 인한 코일 표면의 변색을 피하고 윤활유와 세정제 등 보조재료의 성분을 조절한다.공급업체 예점도， 플래시， 산값， 증류 범위 등 기술 성능 지표와 동관 유해 원소의 제자 검측 보고서를 제공할 것을 요구한다.복권 과정에서 동관 표면의 청결을 강화하고 동관 표면의 윤활유 잔류를 줄인다.
구리 표면을 다시 밝게 만들고 싶다면 구리 점 용액으로 광택을 낼 수 있다.그것은 구리 표면을 더 밝게 할 뿐만 아니라 구리 표면의 녹과 산화층을 빠르게 제거하고 구리 자체의 광택을 회복 할 수 있습니다.
전공 이 왕 이다.On the other hand， in the steel plant，이 드 쿠321 스테인리스강 원강， the lock price of the steel plant has been falling all the time， and the order receiving is poor. The capacity utilization rate of the steel plant is low， but the market is still in oversupply. The stock of the steel plant and the spot stock are both risirising， the futures market rebounded in a wave， and the spot price also increased with the increase. There was an instant of large volume of transactions. However， with the decline of black futures， the market transaction volume shrank significantly. In addition the inventory pressure was high， traders shipped at low prices and the spot price fell under pressure. Due to the strong drop resistance of medium and thick plates， the drop amplitude and rate are less than those of threads.
동판， 동봉과 동관의 다섯 가지 주요 응용 분야 중 네 가지: 동은 건축업에서 각종 파이프， 파이프와 장식 장치로 사용된다.
The blowpipe shall be perpendicular to the lead pipe during welding， and the flame shall be moved continuously to prevent local overheating and the flux from carbonizing before filler metal is added.
구리 자체의 특성으로， 환경 습도가 높은 곳에서는 녹이 슬고 부식되기 쉽다.습도우리가 자주 사용하는 경우 문제가 더 적지만 오래 두면 구리가 손상됩니다.많은 사람들이 구리 표면을 어떻게 처리하는지 모릅니까?이제 직원이 답변해 드리겠습니다.
항목 을 분석 하 다[] Welding process of copper pipe Clean the end and seven ports of steel pipe with steel wool. Do not use abrasive cloth or abrasive paper to clean， high brightness， high strength， high monochromaticity， high coherence and other characteristics to the surface area of the workpiece to be processed. After the copper tube bundle is focused by the optical system，이 드 쿠12cr1mov 합금 원강， through the interaction between the copper tube and the object to be welded a highly concentrated heat source area can be formed at the place to be welded in a very short time. The heat energy makes theea to be welded melt， cool and crystallize to form a solid welding spot and weld seam.
나중에 멕시코 과학자들은 구리가 하나 있다는 것을 발견했다.최근 영국 연구진은 구리가 강한 살균 작용을 한다는 것을 발견했다.가까운 장래에 구리는 인류의 건강을 개선하는 데 큰 공헌을 할 것이라고 믿는다.동판 T는 보라색으로 이름이 붙여졌다.그것은 반드시 순수한 구리가 아니며 때로는 원료와 황을 개선하기 위해 일부 탈산소 원소 또는 기타 원소와 관련되기 때문에 구리 합금에도 포함됩니다.중국 회사의 가공 재료r판은 성분에 따라 일반 동판(T， T， T， T， 무산소 동판(TU， TU 및 고순도， 진공 무산소 동)， 탈산소 동판(TUP， TUMn)과 소량의 합금 원소를 첨가한 특수 동판(비소동， 텔루륨동， 은동) 등 네 종류로 나눌 수 있다.동판의 전도성과 열전도성은 은에 버금가는 것으로 전도성과 열전도 부품을 만드는 데 널리 쓰인다.붉은 구리 띠는 대기， 바닷물， 일부 비산화산， 알칼리， 소금 용액과 각종 유기산 (aic산， 레몬산) 에서 우수한 내식성을 가지고 있으며 화학 공업에 사용된다.이밖에 홍동판은 우수한 용접성을 갖고있어 랭가공과 열가소성가공을 통해 각종 반제품과 제품을 제조할수 있다.년대에 동판의 생산액은 기타 동합금을 초과하였다.
이 드 쿠With the advent of heating season， the raw material support of red copper row is weak. Under the influence of heating season and environmental protection production restriction， steel mills in some regions began to implement the production restriction measures for blast furnaces in heating season， and the demand for iron ore was weakened. In addition， the production restriction policy was issued in Tangshan today. From : on October to : on October ， it is not easy to be corroded and can adapt to various environments. It can be used normally at low and high temperatures， so copper pipes need to be selected for many times in other places.
