草草視頻在線觀看: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)(xing)和(he)異形(xing)(xing)(xing)(xing)兩種(zhong),異形(xing)(xing)(xing)(xing)管(guan)(guan)有方形(xing)(xing)(xing)(xing)、橢(tuo)圓形(xing)(xing)(xing)(xing)、三角(jiao)形(xing)(xing)(xing)(xing)、六(liu)角(jiao)形(xing)(xing)(xing)(xing)、瓜(gua)子形(xing)(xing)(xing)(xing)、星形(xing)(xing)(xing)(xing)、 帶(dai)翅管(guan)(guan)多種(zhong)復雜形(xing)(xing)(xing)(xing)狀。******直徑達(da)650mm,最小直徑為 6mm。根據(ju)用途不同, 有厚壁(bi)管(guan)(guan)和(he)薄壁(bi)管(guan)(guan)。無縫(feng)鋼(gang)(gang)管(guan)(guan)主要(yao)用做石油地質鉆探管(guan)(guan)、石油化工用的裂化管(guan)(guan)、鍋 爐管(guan)(guan)、軸承管(guan)(guan)以及汽車、拖拉機、航空用高精(jing)度結構鋼(gang)(gang)管(guan)(guan)。
20#無縫鋼管用(yong)途(tu)很廣泛(fan)。一般用(yong)途(tu)的無縫鋼管(guan)由(you)普通的碳素結(jie)構(gou)(gou)鋼、低合(he)金結(jie)構(gou)(gou)鋼或合(he)金結(jie)構(gou)(gou)鋼軋制,產量最(zui)多,主要(yao)用(yong)作輸(shu)送流體(ti)的管(guan)道或結(jie)構(gou)(gou)零件。.2、根據用(yong)途(tu)不同分三類(lei)供(gong)(gong)應(ying)(ying):a、按化學(xue)成分和機(ji)械(xie)性能供(gong)(gong)應(ying)(ying);b、按機(ji)械(xie)性能供(gong)(gong)應(ying)(ying);c、按水(shui)壓(ya)(ya)試驗(yan)供(gong)(gong)應(ying)(ying)。按a、b類(lei)供(gong)(gong)應(ying)(ying)的鋼管(guan),如用(yong)于(yu)承(cheng)受液體(ti)壓(ya)(ya)力,也要(yao)進(jin)行水(shui)壓(ya)(ya)試驗(yan)。3、專門用(yong)途(tu)的無縫管(guan)有鍋爐(lu)用(yong)無縫管(guan)、化工(gong)電力用(yong),地質(zhi)用(yong)無縫鋼管(guan)及石(shi)油用(yong)無縫管(guan)等多種。
20#無縫鋼管具有中空截(jie)面,大量用作輸(shu)送流體(ti)的管道,如輸(shu)送石油、天然氣、煤氣、水及某(mou)些固體(ti)物料的管道等。鋼(gang)(gang)管與圓鋼(gang)(gang)等實心鋼(gang)(gang)材相(xiang)比(bi),在抗彎抗扭強度(du)相(xiang)同(tong)時,重量較輕,是一種經濟(ji)截(jie)面鋼(gang)(gang)材。
廣泛用(yong)于(yu)制(zhi)造(zao)結構件和機械(xie)零件,如(ru)石油鉆桿、汽車傳動軸、自行車架(jia)以及建筑施工中用(yong)的(de)鋼(gang)腳手(shou)架(jia)等用(yong)鋼(gang)管制(zhi)造(zao)環形(xing)零件,可提高材(cai)料利用(yong)率,簡化制(zhi)造(zao)工序(xu),節(jie)約材(cai)料和加工工時,已(yi)廣泛用(yong)鋼(gang)管來制(zhi)造(zao)。