猫咪视频官网

可分為無(wu)縫鋼管(guan)和有縫鋼管(guan)，有縫鋼管(guan)簡稱為直縫鋼管(guan)。無(wu)縫鋼管(guan)可用于各種行業的液(ye)體(ti)氣(qi)壓管(guan)道(dao)和氣(qi)體(ti)管(guan)道(dao)等(deng)。焊接(jie)管(guan)道(dao)可用于輸水(shui)管(guan)道(dao)、煤氣(qi)管(guan)道(dao)、暖氣(qi)管(guan)道(dao)、電器管(guan)道(dao)等(deng)。

按鋼管用途分

1、管(guan)(guan)道(dao)用(yong)管(guan)(guan)。如：水、煤(mei)氣管(guan)(guan)、蒸汽(qi)管(guan)(guan)道(dao)用(yong)無縫管(guan)(guan)、石油輸送管(guan)(guan)、石油天然(ran)氣干(gan)線用(yong)管(guan)(guan)。農業(ye)灌溉用(yong)水龍頭帶管(guan)(guan)和噴灌用(yong)管(guan)(guan)等。

2、熱工設備(bei)用(yong)管(guan)(guan)。如一般鍋爐(lu)用(yong)的(de)沸水(shui)管(guan)(guan)、過熱蒸汽(qi)管(guan)(guan)，機(ji)車鍋爐(lu)用(yong)的(de)過熱管(guan)(guan)、大煙管(guan)(guan)、小煙管(guan)(guan)、拱磚管(guan)(guan)以及高溫高壓鍋爐(lu)管(guan)(guan)等。

3、機(ji)械工業(ye)用(yong)管。如航空結(jie)構管（圓管、橢圓管、平橢圓管），汽車半軸管、車軸管、汽車拖拉(la)(la)機(ji)結(jie)構管、拖拉(la)(la)機(ji)的油冷(leng)卻(que)器(qi)用(yong)管、農機(ji)用(yong)方形(xing)管與矩形(xing)管、變壓器(qi)用(yong)管以及軸承用(yong)管等。

4、石(shi)油(you)地質鉆(zhan)(zhan)探用管(guan)。如：石(shi)油(you)鉆(zhan)(zhan)探管(guan)、石(shi)油(you)鉆(zhan)(zhan)桿(gan)(gan)(gan)（方鉆(zhan)(zhan)桿(gan)(gan)(gan)與六角鉆(zhan)(zhan)桿(gan)(gan)(gan)）、鉆(zhan)(zhan)挺、石(shi)油(you)油(you)管(guan)、石(shi)油(you)套管(guan)及各種(zhong)管(guan)接(jie)頭(tou)(tou)、地質鉆(zhan)(zhan)探管(guan)（巖心管(guan)、套管(guan)、主動鉆(zhan)(zhan)桿(gan)(gan)(gan)、鉆(zhan)(zhan)挺、按箍及銷接(jie)頭(tou)(tou)等）。

5、化(hua)學工(gong)業用(yong)管(guan)。如：石油(you)裂(lie)化(hua)管(guan)，化(hua)工(gong)設(she)備熱(re)交換器及(ji)管(guan)道用(yong)管(guan)、不(bu)銹耐酸管(guan)、化(hua)肥用(yong)高壓(ya)管(guan)以及(ji)輸送(song)化(hua)工(gong)介質用(yong)管(guan)等。

6、其(qi)他(ta)各部門用(yong)(yong)管(guan)(guan)。如(ru)：容(rong)器(qi)(qi)用(yong)(yong)管(guan)(guan)（高壓氣瓶(ping)用(yong)(yong)管(guan)(guan)與一般容(rong)器(qi)(qi)管(guan)(guan)），儀表儀器(qi)(qi)用(yong)(yong)管(guan)(guan)、手表殼用(yong)(yong)管(guan)(guan)、注射(she)針頭(tou)及其(qi)醫療器(qi)(qi)械用(yong)(yong)管(guan)(guan)等。

按鋼管材質分

鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)按(an)制管(guan)(guan)(guan)(guan)(guan)(guan)材質（即鋼(gang)種(zhong)）可分(fen)為：碳素(su)(su)管(guan)(guan)(guan)(guan)(guan)(guan)和合(he)(he)(he)金(jin)(jin)(jin)管(guan)(guan)(guan)(guan)(guan)(guan)、不銹鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)等(deng)。碳素(su)(su)管(guan)(guan)(guan)(guan)(guan)(guan)又可分(fen)為普通(tong)碳素(su)(su)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)和優質碳素(su)(su)結(jie)構(gou)管(guan)(guan)(guan)(guan)(guan)(guan)。合(he)(he)(he)金(jin)(jin)(jin)管(guan)(guan)(guan)(guan)(guan)(guan)又可分(fen)為：低合(he)(he)(he)金(jin)(jin)(jin)管(guan)(guan)(guan)(guan)(guan)(guan)、合(he)(he)(he)金(jin)(jin)(jin)結(jie)構(gou)管(guan)(guan)(guan)(guan)(guan)(guan)、高(gao)合(he)(he)(he)金(jin)(jin)(jin)管(guan)(guan)(guan)(guan)(guan)(guan)、高(gao)強度管(guan)(guan)(guan)(guan)(guan)(guan)。軸(zhou)承管(guan)(guan)(guan)(guan)(guan)(guan)、耐(nai)熱耐(nai)酸(suan)不銹管(guan)(guan)(guan)(guan)(guan)(guan)、精(jing)密合(he)(he)(he)金(jin)(jin)(jin)（如(ru)可伐合(he)(he)(he)金(jin)(jin)(jin)）管(guan)(guan)(guan)(guan)(guan)(guan)以(yi)及高(gao)溫合(he)(he)(he)金(jin)(jin)(jin)管(guan)(guan)(guan)(guan)(guan)(guan)等(deng)。