螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)材(cai)(cai)(cai)質有哪(na)(na)些，哪(na)(na)種比(bi)(bi)較(jiao)(jiao)好(hao)答：國內常用(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)質一(yi)般(ban)(ban)有Q235A、Q235B、Q345、L245、L290、X42、X52、X60、X70、X80、0Cr13、1Cr17、00Cr19Ni11、1Cr18Ni9、0Cr18Ni11Nb材(cai)(cai)(cai)料(liao)(liao)。 Q235A，Q235B、10#、20#、Q345（16Mn）等(deng)等(deng)，根(gen)據(ju)實(shi)際施(shi)工(gong)(gong)要(yao)求來，使用(yong)(yong)(yong)(yong)(yong)適(shi)合施(shi)工(gong)(gong)操(cao)作的(de)(de)(de)(de)(de)(de)(de)(de)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)質就好(hao)。Q235B螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)口(kou)耐溫多少度(du)答：Q235B螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)****能承受的(de)(de)(de)(de)(de)(de)(de)(de)溫度(du)大(da)(da)概(gai)在(zai)225左右。。焊(han)(han)(han)(han)(han)(han)(han)(han)(han)接件消(xiao)除(chu)內應(ying)力(li)： 1、振(zhen)(zhen)動(dong)(dong)時效去(qu)應(ying)力(li)。（****，但效果這個與使用(yong)(yong)(yong)(yong)(yong)單位的(de)(de)(de)(de)(de)(de)(de)(de)振(zhen)(zhen)動(dong)(dong)時效經驗(yan)有很大(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)關系） 2、履帶加(jia)熱去(qu)應(ying)力(li)。有點費電。 3、實(shi)在(zai)不(bu)得以，就安排(pai)人(ren)錘擊焊(han)(han)(han)(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)。 4、有時間的(de)(de)(de)(de)(de)(de)(de)(de)話(hua)，自然(ran)時效半年。鋼(gang)(gang)結構支柱用(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)強(qiang)度(du)一(yi)般(ban)(ban)比(bi)(bi)直(zhi)(zhi)縫(feng)(feng)(feng)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)高(gao)(gao)，能用(yong)(yong)(yong)(yong)(yong)較(jiao)(jiao)窄的(de)(de)(de)(de)(de)(de)(de)(de)坯料(liao)(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)徑(jing)較(jiao)(jiao)大(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，還可以用(yong)(yong)(yong)(yong)(yong)同(tong)(tong)樣寬(kuan)度(du)的(de)(de)(de)(de)(de)(de)(de)(de)坯料(liao)(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)徑(jing)不(bu)同(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。但是與相同(tong)(tong)長度(du)的(de)(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)縫(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)相比(bi)(bi)，焊(han)(han)(han)(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)長度(du)增加(jia)30~100，而(er)且速度(du)較(jiao)(jiao)低(di)。因此，較(jiao)(jiao)小(xiao)口(kou)徑(jing)的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)大(da)(da)都(dou)采用(yong)(yong)(yong)(yong)(yong)直(zhi)(zhi)縫(feng)(feng)(feng)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)，大(da)(da)口(kou)徑(jing)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)則大(da)(da)多采用(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。1. 承壓(ya)流體(ti)(ti)輸(shu)送(song)(song)，用(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)埋弧(hu)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)SY5036-，主要(yao)用(yong)(yong)(yong)(yong)(yong)于輸(shu)送(song)(song)石油、天然(ran)氣的(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)線；承壓(ya)流體(ti)(ti)輸(shu)送(song)(song)用(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)高(gao)(gao)頻焊(han)(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)SY5038，用(yong)(yong)(yong)(yong)(yong)高(gao)(gao)頻搭接焊(han)(han)(han)(han)(han)(han)(han)(han)(han)法焊(han)(han)(han)(han)(han)(han)(han)(han)(han)接的(de)(de)(de)(de)(de)(de)(de)(de)，用(yong)(yong)(yong)(yong)(yong)于承壓(ya)流體(ti)(ti)輸(shu)送(song)(song)的(de)(de)(de)(de)(de)(de)(de)(de)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)高(gao)(gao)頻焊(han)(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)承壓(ya)能力(li)強(qiang)，塑性好(hao)，便于焊(han)(han)(han)(han)(han)(han)(han)(han)(han)接和(he)(he)加(jia)工(gong)(gong)成(cheng)型；一(yi)般(ban)(ban)低(di)壓(ya)流體(ti)(ti)輸(shu)送(song)(song)用(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)埋弧(hu)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)SY5037，采用(yong)(yong)(yong)(yong)(yong)雙(shuang)面(mian)自動(dong)(dong)埋弧(hu)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)或單面(mian)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)法制成(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)用(yong)(yong)(yong)(yong)(yong)于水、煤氣、空(kong)氣和(he)(he)蒸汽(qi)等(deng)一(yi)般(ban)(ban)低(di)壓(ya)流體(ti)(ti)輸(shu)送(song)(song)用(yong)(yong)(yong)(yong)(yong)。螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)絲(si)的(de)(de)(de)(de)(de)(de)(de)(de)傾斜方(fang)向(xiang)分(fen)為前傾和(he)(he)后傾。傾角的(de)(de)(de)(de)(de)(de)(de)(de)方(fang)向(xiang)和(he)(he)大(da)(da)小(xiao)不(bu)同(tong)(tong)，電弧(hu)對(dui)(dui)熔(rong)池的(de)(de)(de)(de)(de)(de)(de)(de)力(li)和(he)(he)熱作用(yong)(yong)(yong)(yong)(yong)也(ye)不(bu)同(tong)(tong)，從而(er)影(ying)響(xiang)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)成(cheng)形(xing)。當焊(han)(han)(han)(han)(han)(han)(han)(han)(han)絲(si)后傾一(yi)定角度(du)時，由于電弧(hu)指向(xiang)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)接方(fang)向(xiang)，使熔(rong)池前面(mian)的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)(han)(han)(han)(han)(han)(han)(han)件受到了預(yu)熱作用(yong)(yong)(yong)(yong)(yong)，電弧(hu)對(dui)(dui)熔(rong)池的(de)(de)(de)(de)(de)(de)(de)(de)液態金屬排(pai)出(chu)作用(yong)(yong)(yong)(yong)(yong)減弱，而(er)導致焊(han)(han)(han)(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)寬(kuan)而(er)熔(rong)深變(bian)(bian)淺。反(fan)之，焊(han)(han)(han)(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)寬(kuan)度(du)較(jiao)(jiao)小(xiao)而(er)熔(rong)深較(jiao)(jiao)大(da)(da)，但易(yi)使焊(han)(han)(han)(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)邊(bian)緣產生(sheng)未熔(rong)合和(he)(he)咬邊(bian)，并且使焊(han)(han)(han)(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)成(cheng)形(xing)變(bian)(bian)差(cha)。堆放原(yuan)則要(yao)求1、螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)堆碼(ma)的(de)(de)(de)(de)(de)(de)(de)(de)原(yuan)則要(yao)求是在(zai)碼(ma)垛(duo)穩固、確保安全(quan)的(de)(de)(de)(de)(de)(de)(de)(de)前提下，做到按(an)品(pin)種、規格碼(ma)垛(duo)，不(bu)同(tong)(tong)品(pin)種的(de)(de)(de)(de)(de)(de)(de)(de)材(cai)(cai)(cai)料(liao)(liao)要(yao)分(fen)別碼(ma)垛(duo)，防(fang)止(zhi)攪渾和(he)(he)相互侵(qin)蝕；2、禁止(zhi)在(zai)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)垛(duo)位四周(zhou)存放對(dui)(dui)鋼(gang)(gang)材(cai)(cai)(cai)有侵(qin)蝕作用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)物(wu)品(pin)；3、螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)垛(duo)底(di)應(ying)墊高(gao)(gao)、堅固、平整(zheng)，防(fang)止(zhi)材(cai)(cai)(cai)料(liao)(liao)受潮或變(bian)(bian)形(xing)；