文章來源:天津大無縫鋼管(guan)廠| 時間:2017/8/2 20:07:29
直(zhi)縫(feng)焊(han)管(guan)(guan),用熱(re)軋或冷軋鋼板或鋼帶卷(juan)焊(han)制成的鋼管(guan)(guan)在焊(han)接(jie)設備上(shang)進行直(zhi)縫(feng)焊(han)接(jie)得到的管(guan)(guan)子都(dou)叫直(zhi)縫(feng)焊(han)管(guan)(guan)。(由于鋼管(guan)(guan)的焊(han)接(jie)處(chu)成一條直(zhi)線故而(er)得名)。
其中按照用(yong)(yong)途不(bu)(bu)同(tong)(tong),又不(bu)(bu)同(tong)(tong)的(de)后(hou)道(dao)生產(chan)工(gong)序,.(大致可分(fen)為腳手架管(guan)(guan),流體(ti)管(guan)(guan),電(dian)線套管(guan)(guan),支架管(guan)(guan),護(hu)欄管(guan)(guan)等幾(ji)種)。直(zhi)縫(feng)焊(han)(han)(han)(han)管(guan)(guan)標準 GB/T3091-2008而低壓(ya)流體(ti)焊(han)(han)(han)(han)管(guan)(guan)是直(zhi)縫(feng)焊(han)(han)(han)(han)管(guan)(guan)的(de)一(yi)(yi)(yi)種,一(yi)(yi)(yi)般用(yong)(yong)水,煤氣的(de)輸(shu)送, 在(zai)焊(han)(han)(han)(han)接完畢后(hou)比(bi)普通(tong)焊(han)(han)(han)(han)管(guan)(guan)多加以一(yi)(yi)(yi)道(dao)水壓(ya)測試,當前(qian)低壓(ya)流體(ti)管(guan)(guan)比(bi)普通(tong)直(zhi)縫(feng)焊(han)(han)(han)(han)管(guan)(guan)價格高出一(yi)(yi)(yi)點(dian)(按當前(qian)的(de)市場(chang)價來說(shuo),大概高出80元左(zuo)右(you)) 例如:焊(han)(han)(han)(han)接鋼管(guan)(guan)流體(ti)管(guan)(guan)1寸(DN25)(就是Φ33.5*3.25) 價格大概在(zai)4500每噸,而普通(tong)直(zhi)縫(feng)焊(han)(han)(han)(han)管(guan)(guan)在(zai)4400左(zuo)右(you)。
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