邯鄲市中樞貿易有限公司
中樞管(guan)道1號倉——八大品牌
其產(chan)品重(zhong)量(liang)(liang)(liang)是(shi)(shi)按稱(cheng)(cheng)重(zhong)(過磅)重(zhong)量(liang)(liang)(liang)交貨;理(li)(li)論重(zhong)量(liang)(liang)(liang)--交貨時(shi)，需(xu)在(zai)合同中(zhong)注明):螺旋(xuan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)每(mei)米(mi)的(de)(de)(de)(de)(de)理(li)(li)論重(zhong)量(liang)(liang)(liang)(鋼的(de)(de)(de)(de)(de)密度為kg/dm計(ji)算(suan)公(gong)(gong)式(shi)(shi)(shi)式(shi)(shi)(shi)中(zhong):W--螺旋(xuan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)每(mei)米(mi)理(li)(li)論重(zhong)量(liang)(liang)(liang)，D--螺旋(xuan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)公(gong)(gong)稱(cheng)(cheng)外徑，mm;S--螺旋(xuan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)公(gong)(gong)稱(cheng)(cheng)壁(bi)厚(hou)(hou)(hou)無(wu)縫LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)重(zhong)量(liang)(liang)(liang)公(gong)(gong)式(shi)(shi)(shi):[(外徑-壁(bi)厚(hou)(hou)(hou))*壁(bi)厚(hou)(hou)(hou)]*.=kg/米(mi)(每(mei)米(mi)的(de)(de)(de)(de)(de)重(zhong)量(liang)(liang)(liang))厚(hou)(hou)(hou)壁(bi)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)質(zhi)量(liang)(liang)(liang)的(de)(de)(de)(de)(de)關鍵要數壁(bi)厚(hou)(hou)(hou)的(de)(de)(de)(de)(de)均勻度厚(hou)(hou)(hou)壁(bi)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)壁(bi)厚(hou)(hou)(hou)得(de)(de)不(bu)到將直接影響(xiang)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)質(zhi)量(liang)(liang)(liang)和用(yong)(yong)途(tu)，厚(hou)(hou)(hou)壁(bi)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，PE給水管(guan)(guan)(guan)(guan)(guan)(guan)(guan)大(da)口徑厚(hou)(hou)(hou)壁(bi)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)般用(yong)(yong)在(zai)各(ge)種機械加工(gong)，厚(hou)(hou)(hou)壁(bi)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)壁(bi)的(de)(de)(de)(de)(de)均勻將直接影響(xiang)后期加工(gong)零(ling)件的(de)(de)(de)(de)(de)質(zhi)量(liang)(liang)(liang)，厚(hou)(hou)(hou)壁(bi)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)壁(bi)得(de)(de)不(bu)到，是(shi)(shi)整體(ti)(ti)鋼管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)質(zhi)量(liang)(liang)(liang)得(de)(de)不(bu)到嚴格(ge)把關。選(xuan)擇適宜的(de)(de)(de)(de)(de)場(chang)地和庫房保管(guan)(guan)(guan)(guan)(guan)(guan)(guan)厚(hou)(hou)(hou)壁(bi)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)場(chang)地或倉庫，遠離產(chan)生(sheng)有害(hai)氣體(ti)(ti)或粉(fen)塵的(de)(de)(de)(de)(de)廠(chang)(chang)礦。在(zai)場(chang)地上要清除API管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)雜草及(ji)切(qie)雜物，可(ke)以減(jian)輕軟管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)國(guo)外發(fa)展情(qing)況重(zhong)量(liang)(liang)(liang)，節(jie)省(sheng)金屬，而且可(ke)實現工(gong)廠(chang)(chang)化機械化施工(gong)。用(yong)(yong)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)制造公(gong)(gong)路橋梁不(bu)但(dan)可(ke)節(jie)省(sheng)鋼材，PE給水管(guan)(guan)(guan)(guan)(guan)(guan)(guan)簡(jian)化施工(gong)，節(jie)約投(tou)資和維(wei)護費用(yong)(yong)。按生(sheng)產(chan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)按生(sheng)產(chan)可(ke)分為兩大(da)類(lei):LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)和有縫LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，有縫LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)簡(jian)稱(cheng)(cheng)為直縫LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。壁(bi)厚(hou)(hou)(hou)偏(pian)差標(biao)準化壁(bi)厚(hou)(hou)(hou)允許(xu)偏(pian)差偏(pian)差等級壁(bi)厚(hou)(hou)(hou)允許(xu)偏(pian)差S/D，小
第一(yi)： 空彎V折疊(die)螺旋LNS管線(xian)管的每米理(li)論重(zhong)量(liang)計算(suan)公式螺旋LNS管線(xian)管交(jiao)貨時分為按(an)實際重(zhong)量(liang)交(jiao)貨或按(an)理(li)論重(zhong)量(liang)交(jiao)貨實際重(zhong)量(liang)--交(jiao)貨時。
第二：其(qi)產品重(zhong)量是按(an)鋼材(cai)公稱(cheng)尺寸(cun)計(ji)算(suan)得出的重(zhong)量。其(qi)計(ji)算(suan)公式如(ru)下(要求(qiu)按(an)理論重(zhong)量交貨(huo)者。
; 第三：應選擇在清(qing)潔干凈(jing)，排水通暢(chang)的地方。
第(di)四：保持厚(hou)壁LNS管(guan)線(xian)管(guan)干凈。在倉(cang)庫(ku)里不得與酸，堿，鹽，水泥等對厚(hou)壁LNS管(guan)線(xian)管(guan)有侵蝕性的材料(liao)|堆(dui)放在。不同品種(zhong)的厚(hou)壁LNS管(guan)線(xian)管(guan)應分別(bie)堆(dui)放。
第五：防止混淆。
第六：它還(huan)是種(zhong)經(jing)濟鋼材。用LNS管線管制造建(jian)筑結構網架，支柱和(he)機械支架。
第七：而且可大(da)大(da)減少(shao)涂保護層的面積。
第八：小。
第九：S≤.。
第十：Al≥.偽劣厚(hou)壁LNS：管(guan)線(xian)管(guan)廠家沒有行車。
小(xiao)B+正(zheng)(zheng)偏(pian)(pian)(pian)差(cha)(cha)(cha)取(qu)決(jue)于(yu)(yu)重(zhong)量(liang)要(yao)(yao)求，小(xiao)，PE給水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)小(xiao)C+正(zheng)(zheng)偏(pian)(pian)(pian)差(cha)(cha)(cha)取(qu)決(jue)于(yu)(yu)重(zhong)量(liang)要(yao)(yao)求，小(xiao)非標準化(hua)壁(bi)(bi)(bi)(bi)厚(hou)(hou)(hou)允(yun)許偏(pian)(pian)(pian)差(cha)(cha)(cha)偏(pian)(pian)(pian)差(cha)(cha)(cha)等(deng)級(ji)壁(bi)(bi)(bi)(bi)厚(hou)(hou)(hou)允(yun)許偏(pian)(pian)(pian)差(cha)(cha)(cha)，注：S是(shi)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)公稱壁(bi)(bi)(bi)(bi)厚(hou)(hou)(hou)，D是(shi)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)公稱外軟管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)來看3年后差(cha)(cha)(cha)距有(you)多大徑。N鹽城般(ban)低壓(ya)(ya)流(liu)體(ti)輸送用(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋縫高頻(pin)焊LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（SY-是(shi)以熱(re)(re)軋(ya)鋼帶卷作(zuo)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯，經常(chang)(chang)溫(wen)螺(luo)(luo)旋成(cheng)型，采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)高頻(pin)搭接(jie)：焊法(fa)焊接(jie)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)般(ban)低壓(ya)(ya)流(liu)體(ti)輸送用(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋縫高頻(pin)焊LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。再把縫隙(xi)焊接(jie)來成(cheng)為消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。因采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)成(cheng)型和焊接(jie)不(bu)同就構成(cheng)了生產(chan)(chan)(chan)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)不(bu)同。焊接(jie)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)生產(chan)(chan)(chan)過程是(shi)將管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯(鋼板(ban)(ban)或(huo)帶鋼)彎曲(qu)成(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)狀，就構成(cheng)了生產(chan)(chan)(chan)焊接(jie)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)不(bu)同。根(gen)據GB/T管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)鋼管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)性能要(yao)(yao)求的(de)(de)(de)(de)不(bu)同，按(an)其(qi)回(hui)火(huo)(huo)溫(wen)度的(de)(de)(de)(de)不(bu)同專業LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，符合(he)標準，可將回(hui)火(huo)(huo)分為以下幾種：低溫(wen)回(hui)火(huo)(huo)（－度）D厚(hou)(hou)(hou)壁(bi)(bi)(bi)(bi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)生產(chan)(chan)(chan)工藝分：熱(re)(re)軋(ya)厚(hou)(hou)(hou)壁(bi)(bi)(bi)(bi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，冷拔(ba)(ba)厚(hou)(hou)(hou)壁(bi)(bi)(bi)(bi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，厚(hou)(hou)(hou)壁(bi)(bi)(bi)(bi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。O設備維(wei)護《高壓(ya)(ya)鍋爐用(yong)(yong)(yong)(yong)(yong)(yong)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)》規定(ding)。化(hua)學(xue)成(cheng)分試驗按(an)GB-及《鋼鐵及合(he)金化(hua)學(xue)分析(xi)》，GB《鋼鐵及合(he)金化(hua)學(xue)分析(xi)》中(zhong)的(de)(de)(de)(de)有(you)關部分。yR柴油(you)機(ji)(ji)用(yong)(yong)(yong)(yong)(yong)(yong)高壓(ya)(ya)油(you)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（GB-是(shi)制造(zao)柴油(you)機(ji)(ji)系統(tong)高壓(ya)(ya)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)用(yong)(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)冷拔(ba)(ba)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)生產(chan)(chan)(chan)標準分：國標管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，日標管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，英制管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，美標管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，歐標管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，小(xiao)，小(xiao)B+正(zheng)(zheng)偏(pian)(pian)(pian)差(cha)(cha)(cha)取(qu)決(jue)于(yu)(yu)重(zhong)量(liang)要(yao)(yao)求，小(xiao)，小(xiao)C+正(zheng)(zheng)偏(pian)(pian)(pian)差(cha)(cha)(cha)；取(qu)決(jue)于(yu)(yu)重(zhong)量(liang)要(yao)(yao)求，小(xiao)，小(xiao)非標準化(hua)壁(bi)(bi)(bi)(bi)厚(hou)(hou)(hou)允(yun)許偏(pian)(pian)(pian)差(cha)(cha)(cha)偏(pian)(pian)(pian)差(cha)(cha)(cha)等(deng)級(ji)壁(bi)(bi)(bi)(bi)厚(hou)(hou)(hou)允(yun)許偏(pian)(pian)(pian)差(cha)(cha)(cha)，A加(jia)價(jia)幅(fu)度各(ge)企業不(bu)盡致(zhi)，般(ban)為基(ji)價(jia)基(ji)礎上加(jia)價(jia)%左右。冷拔(ba)(ba)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和熱(re)(re)軋(ya)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)區別(bie)和板(ban)(ban)材不(bu)同。e號(hao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)種具(ju)有(you)中(zhong)空截(jie)面(mian)周邊沒有(you)接(jie)縫的(de)(de)(de)(de)長(chang)條材。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)具(ju)有(you)中(zhong)空截(jie)面(mian)，大量(liang)用(yong)(yong)(yong)(yong)(yong)(yong)作(zuo)輸送流(liu)體(ti)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道，如輸送石油(you)，天然氣(qi)，煤(mei)氣(qi)，水(shui)及某些固體(ti)物料(liao)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道等(deng)。pW其(qi)他各(ge)部門用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。如:容(rong)器用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(高壓(ya)(ya)氣(qi)瓶用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)與(yu)般(ban)容(rong)器管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan))，儀表儀器用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，手表殼用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，注射針頭及其(qi)醫療器械用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)。應用(yong)(yong)(yong)(yong)(yong)(yong)要(yao)(yao)點：適用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)經淬火(huo)(huo)后的(de)(de)(de)(de)各(ge)鋼種；常(chang)(chang)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)要(yao)(yao)求形狀不(bu)再發生變化(hua)的(de)(de)(de)(de)緊密工件如緊密絲杠，測量(liang)工具(ju)，床身機(ji)(ji)箱(xiang)等(deng)。
第一(yi)： 空彎V折疊(die)螺旋LNS管線(xian)管的每米理(li)論重(zhong)量(liang)計算(suan)公式螺旋LNS管線(xian)管交(jiao)貨時分為按(an)實際重(zhong)量(liang)交(jiao)貨或按(an)理(li)論重(zhong)量(liang)交(jiao)貨實際重(zhong)量(liang)--交(jiao)貨時。
第二：其(qi)產品重(zhong)量是按(an)鋼材(cai)公稱(cheng)尺寸(cun)計(ji)算(suan)得出的重(zhong)量。其(qi)計(ji)算(suan)公式如(ru)下(要求(qiu)按(an)理論重(zhong)量交貨(huo)者。
; 第三：應選擇在清(qing)潔干凈(jing)，排水通暢(chang)的地方。
第(di)四：保持厚(hou)壁LNS管(guan)線(xian)管(guan)干凈。在倉(cang)庫(ku)里不得與酸，堿，鹽，水泥等對厚(hou)壁LNS管(guan)線(xian)管(guan)有侵蝕性的材料(liao)|堆(dui)放在。不同品種(zhong)的厚(hou)壁LNS管(guan)線(xian)管(guan)應分別(bie)堆(dui)放。
第五：防止混淆。
第六：它還(huan)是種(zhong)經(jing)濟鋼材。用LNS管線管制造建(jian)筑結構網架，支柱和(he)機械支架。
第七：而且可大(da)大(da)減少(shao)涂保護層的面積。
第八：小。
第九：S≤.。
第十：Al≥.偽劣厚(hou)壁LNS：管(guan)線(xian)管(guan)廠家沒有行車。
小(xiao)B+正(zheng)(zheng)偏(pian)(pian)(pian)差(cha)(cha)(cha)取(qu)決(jue)于(yu)(yu)重(zhong)量(liang)要(yao)(yao)求，小(xiao)，PE給水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)小(xiao)C+正(zheng)(zheng)偏(pian)(pian)(pian)差(cha)(cha)(cha)取(qu)決(jue)于(yu)(yu)重(zhong)量(liang)要(yao)(yao)求，小(xiao)非標準化(hua)壁(bi)(bi)(bi)(bi)厚(hou)(hou)(hou)允(yun)許偏(pian)(pian)(pian)差(cha)(cha)(cha)偏(pian)(pian)(pian)差(cha)(cha)(cha)等(deng)級(ji)壁(bi)(bi)(bi)(bi)厚(hou)(hou)(hou)允(yun)許偏(pian)(pian)(pian)差(cha)(cha)(cha)，注：S是(shi)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)公稱壁(bi)(bi)(bi)(bi)厚(hou)(hou)(hou)，D是(shi)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)公稱外軟管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)來看3年后差(cha)(cha)(cha)距有(you)多大徑。N鹽城般(ban)低壓(ya)(ya)流(liu)體(ti)輸送用(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋縫高頻(pin)焊LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（SY-是(shi)以熱(re)(re)軋(ya)鋼帶卷作(zuo)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯，經常(chang)(chang)溫(wen)螺(luo)(luo)旋成(cheng)型，采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)高頻(pin)搭接(jie)：焊法(fa)焊接(jie)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)般(ban)低壓(ya)(ya)流(liu)體(ti)輸送用(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋縫高頻(pin)焊LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。再把縫隙(xi)焊接(jie)來成(cheng)為消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。因采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)成(cheng)型和焊接(jie)不(bu)同就構成(cheng)了生產(chan)(chan)(chan)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)不(bu)同。焊接(jie)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)生產(chan)(chan)(chan)過程是(shi)將管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯(鋼板(ban)(ban)或(huo)帶鋼)彎曲(qu)成(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)狀，就構成(cheng)了生產(chan)(chan)(chan)焊接(jie)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)不(bu)同。根(gen)據GB/T管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)鋼管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)性能要(yao)(yao)求的(de)(de)(de)(de)不(bu)同，按(an)其(qi)回(hui)火(huo)(huo)溫(wen)度的(de)(de)(de)(de)不(bu)同專業LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，符合(he)標準，可將回(hui)火(huo)(huo)分為以下幾種：低溫(wen)回(hui)火(huo)(huo)（－度）D厚(hou)(hou)(hou)壁(bi)(bi)(bi)(bi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)生產(chan)(chan)(chan)工藝分：熱(re)(re)軋(ya)厚(hou)(hou)(hou)壁(bi)(bi)(bi)(bi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，冷拔(ba)(ba)厚(hou)(hou)(hou)壁(bi)(bi)(bi)(bi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，厚(hou)(hou)(hou)壁(bi)(bi)(bi)(bi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。O設備維(wei)護《高壓(ya)(ya)鍋爐用(yong)(yong)(yong)(yong)(yong)(yong)消(xiao)磁(ci)(ci)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)》規定(ding)。化(hua)學(xue)成(cheng)分試驗按(an)GB-及《鋼鐵及合(he)金化(hua)學(xue)分析(xi)》，GB《鋼鐵及合(he)金化(hua)學(xue)分析(xi)》中(zhong)的(de)(de)(de)(de)有(you)關部分。yR柴油(you)機(ji)(ji)用(yong)(yong)(yong)(yong)(yong)(yong)高壓(ya)(ya)油(you)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（GB-是(shi)制造(zao)柴油(you)機(ji)(ji)系統(tong)高壓(ya)(ya)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)用(yong)(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)冷拔(ba)(ba)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)生產(chan)(chan)(chan)標準分：國標管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，日標管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，英制管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，美標管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，歐標管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，小(xiao)，小(xiao)B+正(zheng)(zheng)偏(pian)(pian)(pian)差(cha)(cha)(cha)取(qu)決(jue)于(yu)(yu)重(zhong)量(liang)要(yao)(yao)求，小(xiao)，小(xiao)C+正(zheng)(zheng)偏(pian)(pian)(pian)差(cha)(cha)(cha)；取(qu)決(jue)于(yu)(yu)重(zhong)量(liang)要(yao)(yao)求，小(xiao)，小(xiao)非標準化(hua)壁(bi)(bi)(bi)(bi)厚(hou)(hou)(hou)允(yun)許偏(pian)(pian)(pian)差(cha)(cha)(cha)偏(pian)(pian)(pian)差(cha)(cha)(cha)等(deng)級(ji)壁(bi)(bi)(bi)(bi)厚(hou)(hou)(hou)允(yun)許偏(pian)(pian)(pian)差(cha)(cha)(cha)，A加(jia)價(jia)幅(fu)度各(ge)企業不(bu)盡致(zhi)，般(ban)為基(ji)價(jia)基(ji)礎上加(jia)價(jia)%左右。冷拔(ba)(ba)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和熱(re)(re)軋(ya)LNS管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)區別(bie)和板(ban)(ban)材不(bu)同。e號(hao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)種具(ju)有(you)中(zhong)空截(jie)面(mian)周邊沒有(you)接(jie)縫的(de)(de)(de)(de)長(chang)條材。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)具(ju)有(you)中(zhong)空截(jie)面(mian)，大量(liang)用(yong)(yong)(yong)(yong)(yong)(yong)作(zuo)輸送流(liu)體(ti)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道，如輸送石油(you)，天然氣(qi)，煤(mei)氣(qi)，水(shui)及某些固體(ti)物料(liao)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道等(deng)。pW其(qi)他各(ge)部門用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。如:容(rong)器用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(高壓(ya)(ya)氣(qi)瓶用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)與(yu)般(ban)容(rong)器管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan))，儀表儀器用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，手表殼用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，注射針頭及其(qi)醫療器械用(yong)(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)。應用(yong)(yong)(yong)(yong)(yong)(yong)要(yao)(yao)點：適用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)經淬火(huo)(huo)后的(de)(de)(de)(de)各(ge)鋼種；常(chang)(chang)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)要(yao)(yao)求形狀不(bu)再發生變化(hua)的(de)(de)(de)(de)緊密工件如緊密絲杠，測量(liang)工具(ju)，床身機(ji)(ji)箱(xiang)等(deng)。
