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(fen)圓(yuan)形(xing)(xing)(xing)(xing)和異(yi)形(xing)(xing)(xing)(xing)兩種,異(yi)形(xing)(xing)(xing)(xing)管(guan)(guan)有方形(xing)(xing)(xing)(xing)、橢圓(yuan)形(xing)(xing)(xing)(xing)、三角形(xing)(xing)(xing)(xing)、六角形(xing)(xing)(xing)(xing)、瓜子(zi)形(xing)(xing)(xing)(xing)、星形(xing)(xing)(xing)(xing)、 帶(dai)翅管(guan)(guan)多(duo)種復雜形(xing)(xing)(xing)(xing)狀。******直(zhi)徑達650mm,最小(xiao)直(zhi)徑為(wei) 6mm。根據用(yong)途不同, 有厚壁(bi)管(guan)(guan)和薄壁(bi)管(guan)(guan)。無縫鋼管(guan)(guan)主要用(yong)做石油(you)地(di)質鉆探管(guan)(guan)、石油(you)化工用(yong)的裂化管(guan)(guan)、鍋(guo) 爐管(guan)(guan)、軸承管(guan)(guan)以(yi)及汽車、拖拉機、航空(kong)用(yong)高精度結構鋼管(guan)(guan)。
20#無縫鋼管用(yong)(yong)(yong)途(tu)很廣泛。一般用(yong)(yong)(yong)途(tu)的無(wu)縫(feng)(feng)鋼管(guan)由普通的碳素結構鋼、低合金結構鋼或合金結構鋼軋制,產量最多,主要用(yong)(yong)(yong)作輸送流體的管(guan)道或結構零件(jian)。.2、根(gen)據用(yong)(yong)(yong)途(tu)不同分(fen)三類供應(ying)(ying):a、按(an)化(hua)學(xue)成(cheng)分(fen)和機械(xie)性能(neng)供應(ying)(ying);b、按(an)機械(xie)性能(neng)供應(ying)(ying);c、按(an)水壓(ya)試(shi)驗(yan)供應(ying)(ying)。按(an)a、b類供應(ying)(ying)的鋼管(guan),如用(yong)(yong)(yong)于承受液體壓(ya)力(li),也要進(jin)行水壓(ya)試(shi)驗(yan)。3、專(zhuan)門用(yong)(yong)(yong)途(tu)的無(wu)縫(feng)(feng)管(guan)有鍋(guo)爐用(yong)(yong)(yong)無(wu)縫(feng)(feng)管(guan)、化(hua)工電力(li)用(yong)(yong)(yong),地質用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼管(guan)及石油用(yong)(yong)(yong)無(wu)縫(feng)(feng)管(guan)等(deng)多種。
20#無縫鋼管具(ju)有中空截面,大量用作輸送(song)流體(ti)的(de)(de)管(guan)道,如輸送(song)石油、天然氣(qi)、煤(mei)氣(qi)、水及某些固(gu)體(ti)物(wu)料的(de)(de)管(guan)道等(deng)。鋼(gang)管(guan)與圓鋼(gang)等(deng)實心鋼(gang)材(cai)(cai)相比,在抗(kang)彎抗(kang)扭強度(du)相同(tong)時,重量較輕,是一(yi)種經濟(ji)截面鋼(gang)材(cai)(cai)。
廣(guang)泛(fan)用于制造結構件(jian)和機械零件(jian),如石油(you)鉆桿、汽車傳動(dong)軸、自行車架以及(ji)建筑施工中(zhong)用的鋼腳手架等(deng)用鋼管制造環形零件(jian),可(ke)提(ti)高材料(liao)利用率,簡化(hua)制造工序,節(jie)約材料(liao)和加工工時,已廣(guang)泛(fan)用鋼管來制造。