文章(zhang)來源:天津大(da)無(wu)縫鋼管(guan)廠| 時(shi)間(jian):2017/8/2 20:07:29
直縫焊(han)管(guan),用熱軋或冷軋鋼板或鋼帶卷焊(han)制成的鋼管(guan)在焊(han)接(jie)(jie)設備上進行直縫焊(han)接(jie)(jie)得到(dao)的管(guan)子(zi)都(dou)叫直縫焊(han)管(guan)。(由于鋼管(guan)的焊(han)接(jie)(jie)處成一條直線故而得名)。
其(qi)中按照用途(tu)不(bu)同(tong),又不(bu)同(tong)的(de)后道生(sheng)產工序,.(大(da)(da)致可分為腳手(shou)架管(guan)(guan)(guan)(guan),流體(ti)管(guan)(guan)(guan)(guan),電線套管(guan)(guan)(guan)(guan),支架管(guan)(guan)(guan)(guan),護欄管(guan)(guan)(guan)(guan)等幾種(zhong)(zhong))。直縫(feng)焊(han)(han)管(guan)(guan)(guan)(guan)標準 GB/T3091-2008而低壓(ya)流體(ti)焊(han)(han)管(guan)(guan)(guan)(guan)是直縫(feng)焊(han)(han)管(guan)(guan)(guan)(guan)的(de)一(yi)種(zhong)(zhong),一(yi)般用水,煤氣(qi)的(de)輸(shu)送(song), 在焊(han)(han)接(jie)(jie)完畢(bi)后比普通焊(han)(han)管(guan)(guan)(guan)(guan)多加以一(yi)道水壓(ya)測試(shi),當(dang)前(qian)低壓(ya)流體(ti)管(guan)(guan)(guan)(guan)比普通直縫(feng)焊(han)(han)管(guan)(guan)(guan)(guan)價(jia)格高出(chu)一(yi)點(按當(dang)前(qian)的(de)市(shi)場價(jia)來(lai)說,大(da)(da)概高出(chu)80元左右(you)) 例如:焊(han)(han)接(jie)(jie)鋼(gang)管(guan)(guan)(guan)(guan)流體(ti)管(guan)(guan)(guan)(guan)1寸(DN25)(就是Φ33.5*3.25) 價(jia)格大(da)(da)概在4500每噸,而普通直縫(feng)焊(han)(han)管(guan)(guan)(guan)(guan)在4400左右(you)。
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