NEWS
1.制造(zao)對(dui)焊管件(jian)的原材料為鋼板(ban)，常用(yong)(yong)材料牌號及相關(guan)標準(zhun)見表16-8。根(gen)據用(yong)(yong)戶要(yao)求(qiu)，管件(jian)也可(ke)采用(yong)(yong)非表列的其(qi)他材料制造(zao)。2.制造(zao)對(dui)焊管件(jian)的鋼板(ban)必須有(you)質量合(he)格(ge)證明(ming)書，并應根(gen)據有(you)關(guan)標準(zhun)規范(fan)要(yao)求(qiu)做化學分析(xi)和機械性能的復驗，確認合(he)格(ge)后方可(ke)使用(yong)(yong)。3.鋼板(ban)兩面(mian)不得有(you)裂(lie)縫、折疊、軋折、離層(ceng)、...
化工鋼制有(you)縫(feng)對焊管件(jian)是用(yong)(yong)碳鋼、低合(he)金鋼和(he)奧氏體不(bu)銹鋼鋼板制造的具(ju)有(you)縱向焊縫(feng)的管件(jian)，其品種包括三通（等徑(jing)和(he)異(yi)徑(jing)）、彎頭（短半(ban)徑(jing)90°和(he)長半(ban)徑(jing)90°、45°）、異(yi)徑(jing)管或異(yi)徑(jing)接頭（同心和(he)偏心）三種，與接管連接的方式為對焊連接，端(duan)部外徑(jing)分為Ⅰ系(xi)列和(he)Ⅱ系(xi)列，是專供化工行業大(da)型管道(dao)使用(yong)(yong)的一(yi)種...
專(zhuan)用(yong)管(guan)(guan)(guan)件(jian)系(xi)指在特定使用(yong)場合使用(yong)的管(guan)(guan)(guan)件(jian)，其使用(yong)范圍(wei)較通用(yong)管(guan)(guan)(guan)件(jian)窄(zhai)一些。本篇所介紹(shao)的專(zhuan)用(yong)管(guan)(guan)(guan)件(jian)包括(kuo)不銹鋼卡(ka)壓(ya)式管(guan)(guan)(guan)件(jian)；電(dian)站(zhan)(zhan)鋼制(zhi)(zhi)對焊(han)管(guan)(guan)(guan)件(jian)；電(dian)站(zhan)(zhan)彎管(guan)(guan)(guan)；化工鋼制(zhi)(zhi)無(wu)縫(feng)(feng)對焊(han)管(guan)(guan)(guan)件(jian)；化工鋼制(zhi)(zhi)有縫(feng)(feng)對焊(han)管(guan)(guan)(guan)件(jian)；化工鋼制(zhi)(zhi)承(cheng)插焊(han)管(guan)(guan)(guan)件(jian)及襯塑（PP、PE、PVC）鋼管(guan)(guan)(guan)和管(guan)(guan)(guan)件(jian)等7部分內容。與通用(yong)管(guan)(guan)(guan)件(jian)相比，...
化(hua)工(gong)鋼(gang)(gang)制(zhi)有縫對焊管(guan)件是用(yong)碳鋼(gang)(gang)、低合(he)金鋼(gang)(gang)和(he)奧(ao)氏體(ti)不銹鋼(gang)(gang)鋼(gang)(gang)板制(zhi)造的(de)(de)具(ju)有縱向(xiang)焊縫的(de)(de)管(guan)件，其品種(zhong)包括三通（等(deng)徑(jing)(jing)和(he)異(yi)徑(jing)(jing)）、彎頭(tou)（短半徑(jing)(jing)90°和(he)長半徑(jing)(jing)90°、45°）、異(yi)徑(jing)(jing)管(guan)或異(yi)徑(jing)(jing)接頭(tou)（同心(xin)(xin)和(he)偏心(xin)(xin)）三種(zhong)，與接管(guan)連(lian)接的(de)(de)方式為對焊連(lian)接，端部外徑(jing)(jing)分為Ⅰ系(xi)列(lie)(lie)和(he)Ⅱ系(xi)列(lie)(lie)，是專(zhuan)供化(hua)工(gong)行業大(da)型...
化工(gong)鋼制(zhi)(zhi)(zhi)無縫對(dui)焊(han)(han)管(guan)(guan)件(jian)(jian)是以碳鋼、低合金鋼材料或無縫鋼管(guan)(guan)制(zhi)(zhi)(zhi)造的(de)(de)(de)無縫管(guan)(guan)件(jian)(jian)，管(guan)(guan)件(jian)(jian)與(yu)管(guan)(guan)子(zi)的(de)(de)(de)連接(jie)采用對(dui)焊(han)(han)式。管(guan)(guan)件(jian)(jian)的(de)(de)(de)品種(zhong)包括三(san)通（等(deng)徑(jing)與(yu)異(yi)徑(jing)）、90°彎(wan)頭(tou)（長半(ban)徑(jing)與(yu)短半(ban)徑(jing)）、異(yi)徑(jing)管(guan)(guan)或異(yi)徑(jing)接(jie)頭(tou)（同心(xin)與(yu)偏心(xin)）和管(guan)(guan)帽4種(zhong)，尺寸分公制(zhi)(zhi)(zhi)和英(ying)制(zhi)(zhi)(zhi)兩(liang)個系列。此種(zhong)管(guan)(guan)件(jian)(jian)主要(yao)用于化工(gong)及石油(you)化工(gong)企業(ye)。1...
1.化(hua)工(gong)(gong)(gong)鋼(gang)(gang)制無縫不銹鋼(gang)(gang)對焊管件若采用(yong)冷加(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝，成型后須(xu)進行(xing)消除(chu)應力的(de)熱處理(li)(li)。若采用(yong)熱加(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝，當(dang)其終壓溫度低于表(biao)15-16所列終壓溫度時，也必須(xu)進行(xing)熱處理(li)(li)，毛坯的(de)加(jia)(jia)熱工(gong)(gong)(gong)藝及熱處理(li)(li)工(gong)(gong)(gong)藝可按表(biao)15-16。2.不銹鋼(gang)(gang)三通(tong)應保證兩側的(de)增厚一致，肩部圓角過渡部分的(de)壁(bi)厚應保證大(da)于或等于...
化(hua)(hua)工鋼制(zhi)無縫(feng)對焊(han)管(guan)件(jian)是以碳鋼、低合金鋼材料(liao)或無縫(feng)鋼管(guan)制(zhi)造的(de)無縫(feng)管(guan)件(jian)，管(guan)件(jian)與管(guan)子的(de)連接采用(yong)對焊(han)式。不銹鋼管(guan)件(jian)的(de)品種(zhong)包括三(san)通(tong)（等徑與異徑）、90°彎頭（長半(ban)徑與短半(ban)徑）、異徑管(guan)或異徑接頭（同心與偏心）和管(guan)帽4種(zhong)，尺寸分公(gong)制(zhi)和英制(zhi)兩個系列。此種(zhong)管(guan)件(jian)主要用(yong)于化(hua)(hua)工及石油化(hua)(hua)工企...
化(hua)工鋼(gang)制(zhi)(zhi)(zhi)無縫不銹鋼(gang)對焊管(guan)(guan)件結構型(xing)式(shi)與尺寸見下表(biao)(biao)一(yi)、管(guan)(guan)件 1.三通(tong) 三通(tong)型(xing)式(shi)見圖15-1，公制(zhi)(zhi)(zhi)三通(tong)尺寸見表(biao)(biao)15-1；英(ying)制(zhi)(zhi)(zhi)三通(tong)尺寸見表(biao)(biao)15-2。 a.短(duan)半徑彎頭 短(duan)半徑彎頭型(xing)式(shi)見圖15-2，公制(zhi)(zhi)(zhi)三通(tong)尺寸見表(biao)(biao)15-3；英(ying)制(zhi)(zhi)(zhi)三通(tong)...
化(hua)工鋼(gang)制無(wu)縫(feng)對焊管(guan)(guan)件(jian)(jian)是以碳(tan)鋼(gang)、低合(he)金鋼(gang)材料或無(wu)縫(feng)鋼(gang)管(guan)(guan)制造的(de)無(wu)縫(feng)管(guan)(guan)件(jian)(jian)，管(guan)(guan)件(jian)(jian)與管(guan)(guan)子的(de)連接采用對焊式。管(guan)(guan)件(jian)(jian)的(de)品種(zhong)包括三通(tong)（等徑(jing)與異徑(jing)）、90°彎頭（長(chang)半(ban)徑(jing)與短半(ban)徑(jing)）、異徑(jing)管(guan)(guan)或異徑(jing)接頭（同心與偏心）和管(guan)(guan)帽4種(zhong)，尺寸分公制和英制兩個系列。此種(zhong)管(guan)(guan)件(jian)(jian)主要用于化(hua)工及石(shi)油化(hua)工企業。1...
1.電站(zhan)彎(wan)管(guan)標記(ji) a.標記(ji)方(fang)法 對于外(wai)徑管(guan)，電站(zhan)彎(wan)管(guan)標記(ji)方(fang)法如(ru)下(xia)： b.標記(ji)示例 外(wai)徑OD為325mm，壁厚S為30mm，鋼號為12CrlMoV，彎(wan)曲半徑R為1300mm，彎(wan)曲角度0為90°的彎(wan)管(guan)表示為：OD32...
a.不銹鋼彎管表面不應(ying)(ying)有(you)裂(lie)紋、折疊(die)、重(zhong)皮(pi)、凹(ao)陷、尖銳劃痕等(deng)(deng)缺(que)陷。表面以現裂(lie)紋、重(zhong)皮(pi)等(deng)(deng)缺(que)陷，應(ying)(ying)逐步(bu)修磨直(zhi)至缺(que)陷完全消(xiao)除，修磨后的實(shi)際壁(bi)厚(hou)應(ying)(ying)符(fu)合(he)14.3.2.6c條要求。b.不銹鋼彎管不應(ying)(ying)有(you)過燒組(zu)織，不應(ying)(ying)出現晶間裂(lie)紋。c. 不銹鋼彎管任何一點的實(shi)測壁(bi)厚(hou)不應(ying)(ying)小(xiao)于管系直(zhi)管...
電站(zhan)用(yong)不銹(xiu)鋼彎管(guan)是用(yong)規定(ding)壁厚的(de)(de)直管(guan)，在(zai)規定(ding)加熱(re)(re)溫度(du)條件下，按一定(ding)的(de)(de)彎曲半徑熱(re)(re)彎成(cheng)形的(de)(de)一種不銹(xiu)鋼彎管(guan)，主(zhu)要(yao)用(yong)于電站(zhan)主(zhu)蒸汽(qi)、再熱(re)(re)蒸汽(qi)、主(zhu)給(gei)水(shui)管(guan)道及一般鋼制(zhi)汽(qi)水(shui)管(guan)道。 a.公(gong)稱壁厚大于19.0mm的(de)(de)碳鋼管(guan)，若彎制(zhi)溫度(du)低于900℃，彎后應對彎管(guan)進(jin)行(xing)回火熱(re)(re)處理(li)。&...
