16Mn無(wu)縫方管/20#無(wu)縫方管現貨(huo)專(zhuan)業(ye)批(pi)發商 價格實惠

無(wu)(wu)縫(feng)方管(guan)(guan)(guan)在(zai)驗收的(de)時(shi)候(hou)主(zhu)要是注意四(si)角(jiao)一(yi)致，而且四(si)邊誤差在(zai)執行標(biao)(biao)準的(de)范(fan)圍之內，無(wu)(wu)縫(feng)方矩管(guan)(guan)(guan)改拔的(de)執行標(biao)(biao)準一(yi)般是：GB/T3094-2008，此標(biao)(biao)準之內還規(gui)范(fan)了R角(jiao)的(de)大小偏(pian)差，無(wu)(wu)縫(feng)方管(guan)(guan)(guan)在(zai)承壓方面(mian)要比直(zhi)縫(feng)方管(guan)(guan)(guan)強(qiang)很多(duo)，選(xuan)(xuan)擇無(wu)(wu)縫(feng)方管(guan)(guan)(guan)最起碼在(zai)價(jia)格(ge)上就高(gao)了很多(duo)，無(wu)(wu)縫(feng)方管(guan)(guan)(guan)在(zai)加工的(de)時(shi)候(hou)會出現管(guan)(guan)(guan)端(duan)癟口的(de)情況，選(xuan)(xuan)擇齊頭是補足措(cuo)施  一(yi)、焊(han)接時(shi)應焊(han)點牢固(gu)無(wu)(wu)缺口、無(wu)(wu)斷裂，焊(han)接處不能太高(gao)。

  二、焊點不能太(tai)大，無手觸摸銳利或毛(mao)邊(bian)。

  三、鍍鋅無(wu)縫方管表面無(wu)刮傷、無(wu)氣泡(pao)、無(wu)雜質、無(wu)漏(lou)鍍。

  四、連接(jie)處要平順(shun)，不(bu)允許(xu)凹(ao)凸(tu)不(bu)平、焊點現象；無縫(feng)方(fang)管(guan)(guan)連接(jie)處縫(feng)隙不(bu)能(neng)超過0.5mm，不(bu)能(neng)有高低差，所有無縫(feng)方(fang)管(guan)(guan)不(bu)允許(xu)有短料、焊接(jie)、變形(xing)現象。

  五、連接(jie)不可歪斜、焊(han)接(jie)角度需成直角，對角線允許誤差(cha)±2mm。

無(wu)縫方管(guan)(guan)(guan)按用(yong)(yong)途分類——裝飾(shi)用(yong)(yong)方管(guan)(guan)(guan)、機床設(she)備用(yong)(yong)方管(guan)(guan)(guan)、機械(xie)工業用(yong)(yong)方管(guan)(guan)(guan)、化工用(yong)(yong)方管(guan)(guan)(guan)、鋼(gang)結構(gou)用(yong)(yong)方管(guan)(guan)(guan)、造船用(yong)(yong)方管(guan)(guan)(guan)、汽車用(yong)(yong)方管(guan)(guan)(guan)、鋼(gang)梁柱用(yong)(yong)方管(guan)(guan)(guan)、特殊(shu)用(yong)(yong)途方管(guan)(guan)(guan)。