無縫管結構 無縫管長度

　　無縫管結構：

　　無縫管主要用于一般結構和機械結構。其代表材質(牌號):碳素鋼、20、45號鋼;合金鋼Q345、20Cr、40Cr、20CrMo、CrMo、42CrMo等。2.輸送流體用無縫管(GBT)。主要用于工程及大型設備上輸送流體管道。代表材質(牌號)為20、Q345等。3.;低中壓鍋爐用無縫管(GB)是用(yong)于(yu)制造各(ge)種結(jie)構低中壓(ya)鍋(guo)爐(lu)(lu)過熱蒸汽(qi)管(guan)(guan)(guan)(guan)(guan)(guan)、沸(fei)水管(guan)(guan)(guan)(guan)(guan)(guan)及機車鍋(guo)爐(lu)(lu)用(yong)過熱蒸汽(qi)管(guan)(guan)(guan)(guan)(guan)(guan)、大煙管(guan)(guan)(guan)(guan)(guan)(guan)、小(xiao)煙管(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)拱磚管(guan)(guan)(guan)(guan)(guan)(guan)用(yong)的(de)(de)優(you)質(zhi)碳素(su)結(jie)構鋼(gang)(gang)(gang)(gang)(gang)(gang)熱軋和(he)(he)冷拔(軋)無(wu)(wu)縫管(guan)(guan)(guan)(guan)(guan)(guan)。代(dai)表(biao)(biao)材質(zhi)為(wei)(wei)(wei)(wei)10、20號鋼(gang)(gang)(gang)(gang)(gang)(gang)。4.;高(gao)壓(ya)鍋(guo)爐(lu)(lu)用(yong)無(wu)(wu)縫管(guan)(guan)(guan)(guan)(guan)(guan)(GB)是用(yong)于(yu)制造高(gao)壓(ya)及其(qi)(qi)以上(shang)壓(ya)力的(de)(de)水管(guan)(guan)(guan)(guan)(guan)(guan)鍋(guo)爐(lu)(lu)受(shou)熱面用(yong)的(de)(de)優(you)質(zhi)碳素(su)鋼(gang)(gang)(gang)(gang)(gang)(gang)、合金鋼(gang)(gang)(gang)(gang)(gang)(gang)和(he)(he)不銹耐(nai)熱鋼(gang)(gang)(gang)(gang)(gang)(gang)無(wu)(wu)縫管(guan)(guan)(guan)(guan)(guan)(guan)。代(dai)表(biao)(biao)材質(zhi)為(wei)(wei)(wei)(wei)20G、12Cr1MoVG、15CrMoG等(deng)(deng)。5.;高(gao)壓(ya)化(hua)肥設備(bei)用(yong)無(wu)(wu)縫管(guan)(guan)(guan)(guan)(guan)(guan)(GB)是適(shi)用(yong)于(yu)工(gong)作溫度(du)為(wei)(wei)(wei)(wei)-40~400℃、工(gong)作壓(ya)力為(wei)(wei)(wei)(wei)10~30Ma的(de)(de)化(hua)工(gong)設備(bei)和(he)(he)管(guan)(guan)(guan)(guan)(guan)(guan)道的(de)(de)優(you)質(zhi)碳素(su)結(jie)構鋼(gang)(gang)(gang)(gang)(gang)(gang)和(he)(he)合金鋼(gang)(gang)(gang)(gang)(gang)(gang)無(wu)(wu)縫管(guan)(guan)(guan)(guan)(guan)(guan)。代(dai)表(biao)(biao)材質(zhi)為(wei)(wei)(wei)(wei)20、16Mn、12CrMo、12Cr2Mo等(deng)(deng)。6.石(shi)油裂化(hua)用(yong)無(wu)(wu)縫管(guan)(guan)(guan)(guan)(guan)(guan)(GB)。主要用(yong)于(yu)石(shi)油冶煉(lian)廠(chang)的(de)(de)鍋(guo)爐(lu)(lu)、熱交換器(qi)及其(qi)(qi)輸送流體管(guan)(guan)(guan)(guan)(guan)(guan)道。其(qi)(qi)代(dai)表(biao)(biao)材質(zhi)為(wei)(wei)(wei)(wei)20、12CrMo、1Cr5Mo、1Cr19Ni11Nb等(deng)(deng)。7.地質(zhi)鉆(zhan)探用(yong)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(YB)是供(gong)地質(zhi)部門進行巖(yan)(yan)心鉆(zhan)探使(shi)用(yong)的(de)(de)鋼(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，按用(yong)途可分為(wei)(wei)(wei)(wei)鉆(zhan)桿、鉆(zhan)鋌(ting)、巖(yan)(yan)心管(guan)(guan)(guan)(guan)(guan)(guan)、套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)沉淀管(guan)(guan)(guan)(guan)(guan)(guan)等(deng)(deng)。8.金剛石(shi)巖(yan)(yan)芯鉆(zhan)探用(yong)無(wu)(wu)縫管(guan)(guan)(guan)(guan)(guan)(guan)(GB)是用(yong)于(yu)金剛石(shi)巖(yan)(yan)芯鉆(zhan)探的(de)(de)鉆(zhan)桿、巖(yan)(yan)心桿、套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)無(wu)(wu)縫管(guan)(guan)(guan)(guan)(guan)(guan)。

　　無縫管是一種具有中空截面、周邊沒有接縫的長條鋼材。無縫管長度在 3000~12000mm，其中包括有6米一根。市場上無縫管一般非定尺，大部分6、 9 、12米定尺。鋼管的通常長度規定為：熱軋鋼管 3000~12000mm，冷拔鋼管3000~10500mm;在倍尺軋制(加工)鋼管可達到80米或者更長，但是在現實生產中一般成品無縫鋼管都(dou)是(shi)小于十二米(mi)的這主要是(shi)為了(le)方(fang)便裝運。