衛生と健康：銅管中のプラスチック管の各種改質剤，添加剤，添加剤及びその他の化学成分.
The application of copper tube The copper tube is generally used in the heat exchange equipment， and the low-temperature pipeline in the oxygen production equipment can also be used. Some relatively thin copper tubes can be used to transport some pressurized liquids， the copper pipe is relatively firm， unlike other metals which are easily corroded， so now many water pipes and refrigeration pipes used in buildings will choose to use the copper pipe.
菅部水に重炭酸カルシウム，ヘキサリン酸イノシトール，リン酸珪素結晶などの腐食剤を添加し，水のPH値と腐食症状を調節する.
Lets elaborate on the advantages of copper pipe materials: copper pipe floor heating refers to a heating method that uses hot water as the thermal medium， circulates in the copper pipe heating pipe， heats the floor， and heats the floor through the ground in the form of radiation and convection heat transfer. I. The copper tube has fast heat dissipation effect and strong heat resistance. Even under the condition of high temperature water supply， the service life of the floor heating tube will not be affected. Two. Copper pipe is a metal pipe， it is not easy to leak. Three. High temperature resistance， high pressure resistance relative to any ordinary plastic pipe. Copper tube floor is warm and resistant to high temperature and pressure. Four. Long service life. Five.
ココローオ今日，ビレットの価格は高くなったり低くなったりします.現在，東方熱間圧延元が元下落し連続鋳造元が元下落し，魯力熱間圧延元が元下落し，天鋼熱間圧延元安鋼は元下落し，月中旬に生産を停止し，威鋼熱間圧延は元上昇して元，連鋳は元上昇して元，淮鋼は元上昇して元中天は元，菅部321ステンレス鋼円鋼，長強は元，凌鋼は元だった.
Generally， oxygen aylene is used as the gas source and LPG welding tool is used for heating. The torch of the welding tool shall face the joint and then continuously heat the whole joint. This will avoid excessive local heating.
Copper pipe has the characteristics of， and is the choice for the installation of water pipe， heat supply and refrigeration pipe.
Advantages and scope of application of copper tube ground heating At present， ground heating is not only a comfortable heating method， but also a symbol of modern life quality. More and more houses， public buildings， sports facilities， industrial facilities and other places begin to use ground heating radiator， which is an important part of ground heating. Due to the corrosion resistance of copper，潤滑油や洗浄剤などの補助材料の成分を制御する.仕入先Yes粘度，引火点酸価，蒸留範囲などの技術性能指標，及び銅管有害元素の第者検査報告書を提供することを要求する.巻戻しの過程で，銅管表面の洗浄を強化し，銅管表面の潤滑油の残留を減少させる.
軟銅管の生産方法は硬銅管と基本的に同じでありすなわち硬銅管と比較してアニールプロセスが増加した.銅管のアニールは，銅管中の元素の配列を変更するために高温炉で焼成することを意味する.しかし，アニールすると銅管が柔らかくなり，曲げやすくなります.このようにして生産された銅管を軟銅管と呼ぶ.
価格With 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 the production restriction measures specified in this Notice were implemented.
The application of copper tube The copper tube is generally used in the heat exchange equipment， and the low-temperature pipeline in the oxygen production equipment can also be used. Some relatively thin copper tubes can be used to transport some pressurized liquids， and can also be used as pressure measuring tubes in instruments; In addition， the copper pipe is relatively firm， unlike other metals， which are easily corroded， so now many water pipes and refrigeration pipes used in buildings will choose to use the copper pipe.
私はありません銅管の保存方法がわかりません.
利点：品質が良く，構造が細かく，密度が高く，耐圧性が高く，頻繁な冷熱交換に適し，作業環境の温度差が大きく，大サイズの銅管を生産することができる.
どこにありますかAccording to * * new data， in September ， Chinas imported iron ore * * * broke through the million ton mark， reaching million tons， a record high; From January to September， Chinas iron ore import increased by % to million tons， and the annual import volume is expected to exceed billion tons. However， due to the rapid declinecline in iron ore prices， the iron ore price index once fell below $， which reduced the enthusiasm for the shipment of imported ores. In addition， environmental protection inspection has become stricter， and the supply of some domestic mines has been greatly affected. The current operating rate of domestic mines is percentage points lower than the previous peak， which is likely to decline further in the future.
銅管表面を防止するために，包装材料の湿度は良好に制御され，すべての木質と紙の包装材料の含水量は厳格に%以下に制御されなければならない.各材料は，銅管が外部から水分を吸収しないようにポリエチレンフィルムで緊密に包装されている.
Red copper inventory in key areas has risen continuously， but the total pressure is not big. From the current overall inventory situation of the main distribution centers Wuan， Jiangyin and Lecong， the inventory level remains relatively moderate， and the pressure on the market is relatively small. In Wuan market， according to the data， as of May ， the total inventory of medium and thick plates in Wuan was close to tons，菅部赤色銅棒， increasing by tons on a weekly basis. In late April， it reached tons lower in the year， down tons from the high level after the Spring Festival， and rose for three consecutive weeks. In terms of the ovquantity，年月，中国，中国の鉄鉱石輸入***は億トンの大台を突破し，億万トンに達し，過去 高を更新した.月～月，中国&# ;米国の鉄鉱石輸入量は%増の億万トンで，年間輸入量は億トンを超える見通しだ.しかし，国慶節後の輸入鉱石の出荷量を見ると，急速に低下しているため鉄鉱石価格の上昇に伴い，鉄鉱石価格指数は時ドルを割り込み，輸入鉱石の出荷意欲を低下させた.また，環境保護検査がさらに厳しくなり，部の国内鉱山の供給に大きな影響が出ている.現在，国内鉱山の稼働率は前のピークよりポイント低く，将来的にはさらに低下する可能性がある.
At present， the fundamentals faced by the domestic copper bar market are still mixed. On the one hand， the market supply is expected to shrink， but on the other hand， the northern market has entered the off-season of demand， and the markets expectation of future demand is pessimistic. In the short term， domestic steel prices will enter the operating track of range consolidation. To sum up， considering the current situation of demand and inventory in the steel market， it is difficult for the steel market to make a breakthrough. As the th National Congress of the Communist of China is approaching， environmental protection phenomena such as steel mills are still going on， and black series speculation is still taking place. But personally， the fluuation range of the market in this region is limited， and businesses can operate flexibly on a short-term basis， and the shipment transaction is * * *.
現在の全体的な価格差を考慮すると，今日も現地の銅棒価格は引き続き高位に上昇しているが，華東地区以外の地域では明らかな後続の動きは見られず，現地価格は依然として東北と華中地区の価格差との優位性を持っている.生産制限の影響で現地の後続商品量が少ないため，現地の在庫圧力はさらに低下し，菅部45#丸鋼，銅棒の価格支持は依然として強い.しかし，現在，国内の不動産規制は引き締められている.市場&## ;市場の将来の需要に対する予想は弱まっている.今日，瀋陽の銅棒の市場価格は安定しており，出荷量はよくない.
