猫咪视频官网

可分為(wei)無縫(feng)鋼(gang)管(guan)和有縫(feng)鋼(gang)管(guan)，有縫(feng)鋼(gang)管(guan)簡稱為(wei)直縫(feng)鋼(gang)管(guan)。無縫(feng)鋼(gang)管(guan)可用于各種(zhong)行業(ye)的液體氣壓管(guan)道和氣體管(guan)道等。焊接管(guan)道可用于輸水管(guan)道、煤氣管(guan)道、暖氣管(guan)道、電器管(guan)道等。

按鋼管用途分

1、管(guan)(guan)(guan)(guan)道(dao)用(yong)(yong)管(guan)(guan)(guan)(guan)。如：水(shui)、煤氣(qi)管(guan)(guan)(guan)(guan)、蒸汽管(guan)(guan)(guan)(guan)道(dao)用(yong)(yong)無縫管(guan)(guan)(guan)(guan)、石(shi)油輸送管(guan)(guan)(guan)(guan)、石(shi)油天然氣(qi)干線用(yong)(yong)管(guan)(guan)(guan)(guan)。農業灌溉用(yong)(yong)水(shui)龍(long)頭帶管(guan)(guan)(guan)(guan)和噴(pen)灌用(yong)(yong)管(guan)(guan)(guan)(guan)等。

2、熱(re)工(gong)設備用(yong)管(guan)(guan)。如一般鍋(guo)爐(lu)用(yong)的(de)沸(fei)水管(guan)(guan)、過熱(re)蒸汽管(guan)(guan)，機車(che)鍋(guo)爐(lu)用(yong)的(de)過熱(re)管(guan)(guan)、大煙管(guan)(guan)、小煙管(guan)(guan)、拱磚管(guan)(guan)以(yi)及高(gao)溫高(gao)壓鍋(guo)爐(lu)管(guan)(guan)等。

3、機械工業用(yong)(yong)管(guan)(guan)。如航(hang)空(kong)結(jie)構管(guan)(guan)（圓(yuan)管(guan)(guan)、橢(tuo)圓(yuan)管(guan)(guan)、平橢(tuo)圓(yuan)管(guan)(guan)），汽車(che)半軸管(guan)(guan)、車(che)軸管(guan)(guan)、汽車(che)拖(tuo)拉機結(jie)構管(guan)(guan)、拖(tuo)拉機的油(you)冷卻器(qi)用(yong)(yong)管(guan)(guan)、農機用(yong)(yong)方(fang)形(xing)管(guan)(guan)與矩形(xing)管(guan)(guan)、變(bian)壓器(qi)用(yong)(yong)管(guan)(guan)以及(ji)軸承用(yong)(yong)管(guan)(guan)等(deng)。

4、石(shi)(shi)油地質鉆(zhan)探(tan)用(yong)管(guan)(guan)。如：石(shi)(shi)油鉆(zhan)探(tan)管(guan)(guan)、石(shi)(shi)油鉆(zhan)桿(gan)(gan)（方鉆(zhan)桿(gan)(gan)與六(liu)角鉆(zhan)桿(gan)(gan)）、鉆(zhan)挺(ting)、石(shi)(shi)油油管(guan)(guan)、石(shi)(shi)油套管(guan)(guan)及(ji)各種管(guan)(guan)接頭、地質鉆(zhan)探(tan)管(guan)(guan)（巖心管(guan)(guan)、套管(guan)(guan)、主(zhu)動鉆(zhan)桿(gan)(gan)、鉆(zhan)挺(ting)、按箍及(ji)銷接頭等）。

5、化(hua)(hua)學工業用管(guan)(guan)(guan)。如：石油裂化(hua)(hua)管(guan)(guan)(guan)，化(hua)(hua)工設備(bei)熱交換器及管(guan)(guan)(guan)道(dao)用管(guan)(guan)(guan)、不銹耐酸管(guan)(guan)(guan)、化(hua)(hua)肥(fei)用高(gao)壓管(guan)(guan)(guan)以及輸送化(hua)(hua)工介質(zhi)用管(guan)(guan)(guan)等(deng)。

6、其(qi)他各部門用(yong)管(guan)(guan)(guan)。如：容器用(yong)管(guan)(guan)(guan)（高壓氣瓶用(yong)管(guan)(guan)(guan)與(yu)一般容器管(guan)(guan)(guan)），儀表儀器用(yong)管(guan)(guan)(guan)、手(shou)表殼用(yong)管(guan)(guan)(guan)、注射(she)針頭及其(qi)醫療器械(xie)用(yong)管(guan)(guan)(guan)等。

按鋼管材質分

鋼管(guan)(guan)(guan)(guan)按(an)制(zhi)管(guan)(guan)(guan)(guan)材質（即鋼種）可(ke)分(fen)為(wei)(wei)：碳素(su)管(guan)(guan)(guan)(guan)和合(he)(he)(he)(he)金(jin)管(guan)(guan)(guan)(guan)、不銹(xiu)鋼管(guan)(guan)(guan)(guan)等。碳素(su)管(guan)(guan)(guan)(guan)又可(ke)分(fen)為(wei)(wei)普通碳素(su)鋼管(guan)(guan)(guan)(guan)和優質碳素(su)結(jie)(jie)構(gou)管(guan)(guan)(guan)(guan)。合(he)(he)(he)(he)金(jin)管(guan)(guan)(guan)(guan)又可(ke)分(fen)為(wei)(wei)：低合(he)(he)(he)(he)金(jin)管(guan)(guan)(guan)(guan)、合(he)(he)(he)(he)金(jin)結(jie)(jie)構(gou)管(guan)(guan)(guan)(guan)、高合(he)(he)(he)(he)金(jin)管(guan)(guan)(guan)(guan)、高強度(du)管(guan)(guan)(guan)(guan)。軸(zhou)承管(guan)(guan)(guan)(guan)、耐熱耐酸不銹(xiu)管(guan)(guan)(guan)(guan)、精密合(he)(he)(he)(he)金(jin)（如可(ke)伐合(he)(he)(he)(he)金(jin)）管(guan)(guan)(guan)(guan)以及(ji)高溫合(he)(he)(he)(he)金(jin)管(guan)(guan)(guan)(guan)等。