文章(zhang)來源:天津(jin)大無縫鋼管(guan)廠| 時間:2017/8/2 20:07:29
直(zhi)縫焊(han)管(guan)(guan),用熱軋或冷軋鋼(gang)板(ban)或鋼(gang)帶卷焊(han)制(zhi)成(cheng)的鋼(gang)管(guan)(guan)在(zai)焊(han)接(jie)(jie)設(she)備上進行直(zhi)縫焊(han)接(jie)(jie)得(de)到的管(guan)(guan)子都叫直(zhi)縫焊(han)管(guan)(guan)。(由于鋼(gang)管(guan)(guan)的焊(han)接(jie)(jie)處成(cheng)一(yi)條直(zhi)線故而得(de)名)。
其中按(an)照用途不同,又不同的(de)后(hou)道生產工序,.(大致可分(fen)為腳手(shou)架管(guan)(guan)(guan)(guan)(guan),流(liu)體(ti)(ti)管(guan)(guan)(guan)(guan)(guan),電線套管(guan)(guan)(guan)(guan)(guan),支架管(guan)(guan)(guan)(guan)(guan),護欄管(guan)(guan)(guan)(guan)(guan)等幾種(zhong)(zhong))。直縫(feng)焊(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)標(biao)準(zhun) GB/T3091-2008而低(di)壓(ya)流(liu)體(ti)(ti)焊(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)是直縫(feng)焊(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)的(de)一(yi)種(zhong)(zhong),一(yi)般用水(shui),煤氣的(de)輸送, 在焊(han)(han)(han)接完畢后(hou)比普(pu)通(tong)焊(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)多(duo)加以一(yi)道水(shui)壓(ya)測試,當前低(di)壓(ya)流(liu)體(ti)(ti)管(guan)(guan)(guan)(guan)(guan)比普(pu)通(tong)直縫(feng)焊(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)價格高出一(yi)點(dian)(按(an)當前的(de)市場價來說(shuo),大概高出80元左右(you)) 例(li)如:焊(han)(han)(han)接鋼管(guan)(guan)(guan)(guan)(guan)流(liu)體(ti)(ti)管(guan)(guan)(guan)(guan)(guan)1寸(DN25)(就是Φ33.5*3.25) 價格大概在4500每噸,而普(pu)通(tong)直縫(feng)焊(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)在4400左右(you)。
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