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)(xing)(xing)和(he)異形(xing)(xing)(xing)兩種,異形(xing)(xing)(xing)管(guan)(guan)有方形(xing)(xing)(xing)、橢圓形(xing)(xing)(xing)、三角形(xing)(xing)(xing)、六角形(xing)(xing)(xing)、瓜子形(xing)(xing)(xing)、星形(xing)(xing)(xing)、 帶翅(chi)管(guan)(guan)多種復雜形(xing)(xing)(xing)狀。******直徑(jing)達650mm,最小直徑(jing)為 6mm。根據用(yong)途不同, 有厚(hou)壁管(guan)(guan)和(he)薄壁管(guan)(guan)。無(wu)縫鋼管(guan)(guan)主要用(yong)做石(shi)油(you)地質鉆探(tan)管(guan)(guan)、石(shi)油(you)化工用(yong)的裂化管(guan)(guan)、鍋 爐管(guan)(guan)、軸承(cheng)管(guan)(guan)以及汽車、拖拉(la)機、航空用(yong)高精度結構鋼管(guan)(guan)。
20#無縫鋼管用(yong)(yong)途很廣泛。一般用(yong)(yong)途的(de)無(wu)縫鋼(gang)(gang)管(guan)由普通的(de)碳素(su)結(jie)(jie)構(gou)(gou)(gou)鋼(gang)(gang)、低合(he)金(jin)結(jie)(jie)構(gou)(gou)(gou)鋼(gang)(gang)或(huo)合(he)金(jin)結(jie)(jie)構(gou)(gou)(gou)鋼(gang)(gang)軋制,產量最多,主要用(yong)(yong)作輸送流體的(de)管(guan)道或(huo)結(jie)(jie)構(gou)(gou)(gou)零件。.2、根據用(yong)(yong)途不同分三類供(gong)(gong)應:a、按(an)(an)化(hua)學(xue)成分和機械性能供(gong)(gong)應;b、按(an)(an)機械性能供(gong)(gong)應;c、按(an)(an)水(shui)壓試驗供(gong)(gong)應。按(an)(an)a、b類供(gong)(gong)應的(de)鋼(gang)(gang)管(guan),如用(yong)(yong)于承受液體壓力(li),也要進行水(shui)壓試驗。3、專門(men)用(yong)(yong)途的(de)無(wu)縫管(guan)有鍋爐用(yong)(yong)無(wu)縫管(guan)、化(hua)工(gong)電力(li)用(yong)(yong),地(di)質用(yong)(yong)無(wu)縫鋼(gang)(gang)管(guan)及(ji)石油用(yong)(yong)無(wu)縫管(guan)等多種。
20#無縫鋼管具有(you)中空截(jie)面,大量用作輸送流體的管道,如輸送石油、天然氣(qi)、煤氣(qi)、水及(ji)某些固體物料的管道等。鋼(gang)管與圓鋼(gang)等實心鋼(gang)材相比,在抗彎抗扭強度相同時(shi),重量較輕,是一種經濟截(jie)面鋼(gang)材。
廣(guang)泛(fan)用(yong)于制(zhi)造結構件和機(ji)械零(ling)件,如石(shi)油鉆桿、汽車傳動軸、自行車架(jia)以及(ji)建筑施工(gong)中(zhong)用(yong)的鋼腳手架(jia)等用(yong)鋼管制(zhi)造環形零(ling)件,可提高材料利(li)用(yong)率(lv),簡(jian)化制(zhi)造工(gong)序(xu),節約材料和加工(gong)工(gong)時,已廣(guang)泛(fan)用(yong)鋼管來制(zhi)造。