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螺(luo)旋(xuan)焊(han)接(jie)鋼(gang)管(guan)與(yu)直(zhi)縫(feng)焊(han)管(guan)在(zai)性(xing)能(neng)和(hu)應(ying)用(yong)上(shang)各(ge)有(you)特(te)點(dian)。從(zong)生(sheng)產(chan)工(gong)藝(yi)看(kan),螺(luo)旋(xuan)焊(han)管(guan)采(cai)用(yong)連(lian)續(xu)螺(luo)旋(xuan)成(cheng)型(xing)方(fang)式(shi),而(er)直(zhi)縫(feng)焊(han)管(guan)多(duo)為(wei)單(shan)張(zhang)鋼(gang)板(pan)卷(juan)製(zhi)。在(zai)承(cheng)壓(ya)能(neng)力(li)方(fang)麵(mian),螺(luo)旋(xuan)焊(han)管(guan)因(yin)焊(han)縫(feng)呈(cheng)螺(luo)旋(xuan)分(fen)布(bu),應(ying)力(li)分(fen)布(bu)相(xiang)對(dui)均(jun)勻(yun)。尺(che)寸(cun)規(gui)格(ge)上(shang),螺(luo)旋(xuan)焊(han)管(guan)可(ke)實(shi)現(xian)更(geng)大(dai)直(zhi)徑(jing)生(sheng)產(chan),而(er)直(zhi)縫(feng)焊(han)管(guan)在(zai)厚(hou)壁(bi)管(guan)方(fang)麵(mian)更(geng)具(ju)優(you)勢(shi)。成(cheng)本(ben)角(jue)度(duo)考(kao)慮(lv),螺(luo)旋(xuan)焊(han)管(guan)材(cai)料(liao)利(li)用(yong)率(shuai)較(jiao)高(gao),適(kuo)合(ge)大(dai)批(pi)量(liang)生(sheng)產(chan)。選(xuan)擇(ze)時(shi)需(xu)根(gen)據(ju)具(ju)體(ti)工(gong)程(cheng)需(xu)求(qiu)進(jin)行(hang)技(ji)術(zhu)經(jing)濟(ji)比(bi)較(jiao)。
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