5.化(hua)肥設備用高壓(ya)無縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)（GB6479-86）是適用于(yu)工(gong)作(zuo)(zuo)溫度為(wei)-40~400℃、工(gong)作(zuo)(zuo)壓(ya)力(li)為(wei)10~30Ma的(de)化(hua)工(gong)設備和管(guan)(guan)(guan)(guan)(guan)(guan)道的(de)碳素結構(gou)鋼(gang)和合金鋼(gang)無縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。6.石(shi)油(you)裂化(hua)用無縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)（GB9948-88）是適用于(yu)石(shi)油(you)煉廠的(de)爐(lu)管(guan)(guan)(guan)(guan)(guan)(guan)、熱交換器和管(guan)(guan)(guan)(guan)(guan)(guan)道無縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。7.地(di)質(zhi)(zhi)鉆(zhan)(zhan)探(tan)用鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)（YB235-70）是供地(di)質(zhi)(zhi)部門(men)進行巖(yan)(yan)(yan)心鉆(zhan)(zhan)探(tan)使用的(de)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，按用途可分為(wei)鉆(zhan)(zhan)桿、鉆(zhan)(zhan)鋌、巖(yan)(yan)(yan)心管(guan)(guan)(guan)(guan)(guan)(guan)、套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)(guan)和沉淀管(guan)(guan)(guan)(guan)(guan)(guan)等(deng)。8.金剛石(shi)巖(yan)(yan)(yan)芯(xin)鉆(zhan)(zhan)探(tan)用無縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)（GB3423-82）是用于(yu)金剛石(shi)巖(yan)(yan)(yan)芯(xin)鉆(zhan)(zhan)探(tan)的(de)鉆(zhan)(zhan)桿、巖(yan)(yan)(yan)心桿、套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)無縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。

云南潤(run)農農業節水灌溉有限(xian)公司(si)主要生產(chan)銷(xiao)售節水灌溉，微(wei)噴，微(wei)灌，塑(su)料管材(cai)，施肥器等(deng)，灌溉管材(cai)廠家，我(wo)們有的技術團(tuan)隊(dui)，完善的服(fu)務體系，文山灌溉管材(cai)，歡迎(ying)新老客(ke)戶來電咨詢！

17.異型(xing)(xing)無縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)是除了圓管(guan)(guan)(guan)以外(wai)的(de)其他截(jie)面形狀(zhuang)的(de)無縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)的(de)總稱。按鋼(gang)(gang)管(guan)(guan)(guan)截(jie)面形狀(zhuang)尺寸的(de)不同(tong)又(you)可分為等壁厚(hou)異型(xing)(xing)無縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)（代(dai)號為D）、不等壁厚(hou)異型(xing)(xing)無縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)（代(dai)號為BD）、變直徑(jing)異型(xing)(xing)無縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)（代(dai)號為BJ）。異型(xing)(xing)無縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)廣泛用于各種結構件、工(gong)具和機械零部件。和圓管(guan)(guan)(guan)相比(bi)，異型(xing)(xing)管(guan)(guan)(guan)一般(ban)都有(you)較大(da)的(de)慣性矩和截(jie)面模數(shu)，灌溉管(guan)(guan)(guan)材(cai)多少錢，有(you)較大(da)的(de)抗彎抗扭能(neng)力，可以大(da)大(da)減輕結構重量，節約鋼(gang)(gang)材(cai)。

水壓(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)1、PE管道(dao)(dao)試(shi)(shi)(shi)壓(ya)(ya)(ya)前應(ying)進行(xing)(xing)充水浸泡，時(shi)間(jian)不(bu)(bu)少于12h。2、水壓(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)的(de)(de)(de)靜水壓(ya)(ya)(ya)力(li)不(bu)(bu)應(ying)小于管道(dao)(dao)工作(zuo)壓(ya)(ya)(ya)力(li)的(de)(de)(de)1.5倍(bei)，且試(shi)(shi)(shi)驗(yan)(yan)壓(ya)(ya)(ya)力(li)不(bu)(bu)應(ying)低于0.80MPa，不(bu)(bu)得氣壓(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)代替水壓(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)。 [2] 3、水壓(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)的(de)(de)(de)長度不(bu)(bu)宜大于1000米，對中(zhong)間(jian)設有附(fu)件的(de)(de)(de)管段(duan)，水壓(ya)(ya)(ya)試(shi)(shi)(shi)驗(yan)(yan)分(fen)(fen)段(duan)長度不(bu)(bu)宜大于500米。系(xi)(xi)統中(zhong)有不(bu)(bu)同材質的(de)(de)(de)管道(dao)(dao)應(ying)分(fen)(fen)別進行(xing)(xing)試(shi)(shi)(shi)壓(ya)(ya)(ya)。4、對試(shi)(shi)(shi)壓(ya)(ya)(ya)管段(duan)端(duan)頭支撐(cheng)擋板應(ying)進行(xing)(xing)牢固性(xing)和可(ke)靠性(xing)檢查，試(shi)(shi)(shi)壓(ya)(ya)(ya)時(shi)，其(qi)支撐(cheng)設施(shi)嚴(yan)禁(jin)松動(dong)崩脫。不(bu)(bu)得將(jiang)閥(fa)門作(zuo)為封板。5、加壓(ya)(ya)(ya)宜采(cai)用帶(dai)計(ji)量裝置的(de)(de)(de)機械設備(bei)，當采(cai)用彈(dan)簧壓(ya)(ya)(ya)力(li)表時(shi)，其(qi)精度不(bu)(bu)應(ying)低于1.5級，量程范圍宜為試(shi)(shi)(shi)驗(yan)(yan)壓(ya)(ya)(ya)力(li)1.3-1.5倍(bei)，表盤直徑不(bu)(bu)應(ying)小于150mm。6、試(shi)(shi)(shi)壓(ya)(ya)(ya)管段(duan)不(bu)(bu)得包括水錘消(xiao)除器(qi)，室外消(xiao)火栓等管道(dao)(dao)附(fu)件系(xi)(xi)統包含的(de)(de)(de)各類閥(fa)門，應(ying)處于全開(kai)狀態。