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)和異形(xing)(xing)兩種,異形(xing)(xing)管(guan)有方形(xing)(xing)、橢圓形(xing)(xing)、三角(jiao)形(xing)(xing)、六角(jiao)形(xing)(xing)、瓜子形(xing)(xing)、星(xing)形(xing)(xing)、 帶翅管(guan)多(duo)種復雜形(xing)(xing)狀(zhuang)。******直徑(jing)達650mm,最小直徑(jing)為 6mm。根據用途不(bu)同, 有厚壁管(guan)和薄壁管(guan)。無縫(feng)鋼管(guan)主要用做(zuo)石油地質鉆探管(guan)、石油化工用的裂化管(guan)、鍋 爐管(guan)、軸承(cheng)管(guan)以及汽車、拖拉機、航空用高(gao)精度結構鋼管(guan)。
20#無縫鋼管用(yong)途很(hen)廣泛(fan)。一般(ban)用(yong)途的(de)無(wu)縫鋼(gang)(gang)管(guan)(guan)由普(pu)通的(de)碳(tan)素(su)結(jie)構鋼(gang)(gang)、低合金(jin)結(jie)構鋼(gang)(gang)或合金(jin)結(jie)構鋼(gang)(gang)軋制,產量最多,主要用(yong)作輸送流體(ti)的(de)管(guan)(guan)道或結(jie)構零件。.2、根據用(yong)途不同分三類(lei)供(gong)(gong)(gong)應(ying):a、按(an)化學(xue)成分和機(ji)械性能(neng)(neng)供(gong)(gong)(gong)應(ying);b、按(an)機(ji)械性能(neng)(neng)供(gong)(gong)(gong)應(ying);c、按(an)水壓試(shi)驗供(gong)(gong)(gong)應(ying)。按(an)a、b類(lei)供(gong)(gong)(gong)應(ying)的(de)鋼(gang)(gang)管(guan)(guan),如用(yong)于承受(shou)液體(ti)壓力,也要進行水壓試(shi)驗。3、專門用(yong)途的(de)無(wu)縫管(guan)(guan)有鍋爐用(yong)無(wu)縫管(guan)(guan)、化工電力用(yong),地(di)質用(yong)無(wu)縫鋼(gang)(gang)管(guan)(guan)及石油用(yong)無(wu)縫管(guan)(guan)等多種。
20#無縫鋼管具有中(zhong)空截(jie)面(mian),大量用作(zuo)輸(shu)送流體的(de)管(guan)道(dao),如輸(shu)送石油(you)、天(tian)然氣、煤氣、水(shui)及(ji)某些固體物料(liao)的(de)管(guan)道(dao)等(deng)。鋼管(guan)與圓鋼等(deng)實心鋼材相(xiang)比,在(zai)抗彎抗扭強(qiang)度相(xiang)同(tong)時,重量較(jiao)輕,是一種經濟截(jie)面(mian)鋼材。
廣(guang)泛(fan)用(yong)于制(zhi)造結構件(jian)和機械零(ling)件(jian),如(ru)石油鉆桿(gan)、汽(qi)車(che)傳(chuan)動軸(zhou)、自(zi)行(xing)車(che)架以及建筑(zhu)施工(gong)(gong)中用(yong)的鋼(gang)腳手架等用(yong)鋼(gang)管(guan)制(zhi)造環形零(ling)件(jian),可(ke)提高材料(liao)(liao)利用(yong)率,簡化制(zhi)造工(gong)(gong)序,節(jie)約(yue)材料(liao)(liao)和加工(gong)(gong)工(gong)(gong)時,已廣(guang)泛(fan)用(yong)鋼(gang)管(guan)來制(zhi)造。