秋葵視頻在線: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(yuan)形(xing)(xing)和異形(xing)(xing)兩種(zhong),異形(xing)(xing)管有方(fang)形(xing)(xing)、橢圓(yuan)形(xing)(xing)、三角形(xing)(xing)、六角形(xing)(xing)、瓜子形(xing)(xing)、星形(xing)(xing)、 帶翅管多種(zhong)復(fu)雜(za)形(xing)(xing)狀。******直(zhi)徑達650mm,最小直(zhi)徑為 6mm。根據用途不同, 有厚(hou)壁(bi)管和薄(bo)壁(bi)管。無縫鋼(gang)管主(zhu)要用做(zuo)石(shi)油地質鉆(zhan)探管、石(shi)油化(hua)工用的(de)裂(lie)化(hua)管、鍋 爐管、軸承管以及汽車、拖拉(la)機、航空(kong)用高(gao)精度結構鋼(gang)管。
20#無縫鋼管用(yong)(yong)(yong)(yong)(yong)途(tu)很(hen)廣(guang)泛。一般(ban)用(yong)(yong)(yong)(yong)(yong)途(tu)的無縫鋼管由普(pu)通的碳素(su)結構(gou)鋼、低合金(jin)結構(gou)鋼或(huo)合金(jin)結構(gou)鋼軋(ya)制,產量最多,主要(yao)用(yong)(yong)(yong)(yong)(yong)作輸送流體的管道或(huo)結構(gou)零件。.2、根據用(yong)(yong)(yong)(yong)(yong)途(tu)不同分(fen)三類供(gong)應(ying)(ying):a、按化(hua)學成分(fen)和機械(xie)性能供(gong)應(ying)(ying);b、按機械(xie)性能供(gong)應(ying)(ying);c、按水(shui)壓試(shi)驗供(gong)應(ying)(ying)。按a、b類供(gong)應(ying)(ying)的鋼管,如(ru)用(yong)(yong)(yong)(yong)(yong)于承受液體壓力(li),也(ye)要(yao)進行水(shui)壓試(shi)驗。3、專門用(yong)(yong)(yong)(yong)(yong)途(tu)的無縫管有鍋爐用(yong)(yong)(yong)(yong)(yong)無縫管、化(hua)工電(dian)力(li)用(yong)(yong)(yong)(yong)(yong),地質用(yong)(yong)(yong)(yong)(yong)無縫鋼管及石油用(yong)(yong)(yong)(yong)(yong)無縫管等多種(zhong)。
20#無縫鋼管具有中空截(jie)(jie)面(mian),大量用(yong)作輸送流體的管道,如輸送石油、天然氣、煤氣、水及某些固(gu)體物料的管道等(deng)。鋼(gang)(gang)管與(yu)圓鋼(gang)(gang)等(deng)實心(xin)鋼(gang)(gang)材(cai)相比(bi),在抗彎抗扭強(qiang)度相同時(shi),重量較輕,是一種(zhong)經濟截(jie)(jie)面(mian)鋼(gang)(gang)材(cai)。
廣泛(fan)用(yong)(yong)于制(zhi)造結構(gou)件和機械零件,如石油(you)鉆(zhan)桿、汽車傳(chuan)動(dong)軸、自行車架(jia)以及建筑施工中用(yong)(yong)的鋼(gang)腳手架(jia)等用(yong)(yong)鋼(gang)管制(zhi)造環(huan)形(xing)零件,可(ke)提高材料利用(yong)(yong)率,簡(jian)化制(zhi)造工序,節約(yue)材料和加工工時(shi),已(yi)廣泛(fan)用(yong)(yong)鋼(gang)管來制(zhi)造。