草莓視頻app在線下載:20#無縫鋼管廠家現貨生產:無縫鋼管由圓鋼經過高溫穿孔制成,表面上無焊縫的鋼管,稱為無縫鋼管。根據生產方法,無縫管分熱軋管、冷軋管、冷拔管、擠壓管等。按照斷面形狀,無縫鋼管分圓形(xing)和異形(xing)兩種,異形(xing)管(guan)有(you)方形(xing)、橢圓形(xing)、三(san)角形(xing)、六角形(xing)、瓜子(zi)形(xing)、星形(xing)、 帶翅管(guan)多種復雜形(xing)狀。******直徑(jing)達(da)650mm,最(zui)小(xiao)直徑(jing)為 6mm。根據用(yong)途不同, 有(you)厚壁(bi)管(guan)和薄壁(bi)管(guan)。無縫(feng)鋼管(guan)主要(yao)用(yong)做石油(you)地(di)質鉆探管(guan)、石油(you)化工(gong)用(yong)的裂化管(guan)、鍋 爐管(guan)、軸(zhou)承(cheng)管(guan)以及汽車(che)、拖(tuo)拉(la)機(ji)、航空用(yong)高精度(du)結構鋼管(guan)。
20#無縫鋼管用(yong)(yong)(yong)(yong)途(tu)很(hen)廣(guang)泛。一(yi)般(ban)用(yong)(yong)(yong)(yong)途(tu)的(de)(de)無(wu)(wu)縫(feng)(feng)鋼(gang)管由普通的(de)(de)碳(tan)素結(jie)(jie)構鋼(gang)、低(di)合金結(jie)(jie)構鋼(gang)或(huo)合金結(jie)(jie)構鋼(gang)軋制,產量最多,主(zhu)要用(yong)(yong)(yong)(yong)作輸(shu)送流體的(de)(de)管道(dao)或(huo)結(jie)(jie)構零(ling)件。.2、根據用(yong)(yong)(yong)(yong)途(tu)不同分三類供應(ying)(ying):a、按(an)(an)化(hua)學成分和(he)機(ji)械(xie)性(xing)能(neng)供應(ying)(ying);b、按(an)(an)機(ji)械(xie)性(xing)能(neng)供應(ying)(ying);c、按(an)(an)水壓(ya)(ya)試(shi)驗供應(ying)(ying)。按(an)(an)a、b類供應(ying)(ying)的(de)(de)鋼(gang)管,如用(yong)(yong)(yong)(yong)于承(cheng)受(shou)液體壓(ya)(ya)力(li),也(ye)要進行(xing)水壓(ya)(ya)試(shi)驗。3、專門用(yong)(yong)(yong)(yong)途(tu)的(de)(de)無(wu)(wu)縫(feng)(feng)管有鍋(guo)爐用(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)管、化(hua)工電力(li)用(yong)(yong)(yong)(yong),地(di)質用(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)管及石油用(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)管等多種(zhong)。
20#無縫鋼管具有中空截(jie)面(mian),大量用作輸送(song)(song)流體的管(guan)道(dao),如輸送(song)(song)石(shi)油、天(tian)然氣(qi)、煤(mei)氣(qi)、水(shui)及某些固體物料的管(guan)道(dao)等。鋼管(guan)與圓鋼等實心(xin)鋼材(cai)相比(bi),在(zai)抗(kang)彎抗(kang)扭強度相同時,重(zhong)量較(jiao)輕,是一種經濟截(jie)面(mian)鋼材(cai)。
廣泛用(yong)于制(zhi)造(zao)結構件(jian)和機械(xie)零(ling)件(jian),如石油鉆桿、汽車(che)傳動(dong)軸、自(zi)行車(che)架以及建筑(zhu)施工(gong)中用(yong)的鋼(gang)腳手架等用(yong)鋼(gang)管制(zhi)造(zao)環形零(ling)件(jian),可提高材料利用(yong)率(lv),簡化制(zhi)造(zao)工(gong)序,節約材料和加(jia)工(gong)工(gong)時(shi),已廣泛用(yong)鋼(gang)管來制(zhi)造(zao)。