NEWS
管(guan)(guan)件（按計算其壓力額定(ding)值的(de)基準管(guan)(guan)子）分為(wei)(wei)Sch80和Sch160兩個等(deng)級。根(gen)據配接管(guan)(guan)子外徑(jing)的(de)不同(tong)選(xuan)擇，管(guan)(guan)件承口內徑(jing)尺寸（d1）和流通孔直(zhi)徑(jing)尺寸（d2）分別規定(ding)了A、B兩個系(xi)(xi)列(lie)(lie)，推(tui)薦優先選(xuan)用(yong)A系(xi)(xi)列(lie)(lie)。 同(tong)一管(guan)(guan)件的(de)各(ge)承口處尺寸應(ying)同(tong)為(wei)(wei)A系(xi)(xi)列(lie)(lie)或B系(xi)(xi)列(lie)(lie)。但在供需(xu)雙方協商...
管件(jian)(jian)與管子的連接方式采(cai)用承插(cha)焊連接，而工(gong)(gong)藝采(cai)用模鍛成(cheng)型(xing)和切(qie)削加工(gong)(gong)的方法或(huo)棒料(liao)加工(gong)(gong)制造的管件(jian)(jian)稱(cheng)為鍛鋼制承插(cha)焊管件(jian)(jian)。這種管件(jian)(jian)的規格較小，通常公稱(cheng)通徑范圍為DN15～DN80。管件(jian)(jian)種類及代號見表10-1。...
在不銹鋼(gang)(gang)管(guan)(guan)件(jian)(jian)(jian)(jian)與管(guan)(guan)子采用對(dui)焊(han)(han)連接的(de)對(dui)焊(han)(han)管(guan)(guan)件(jian)(jian)(jian)(jian)中，除(chu)無(wu)縫鋼(gang)(gang)管(guan)(guan)對(dui)焊(han)(han)管(guan)(guan)件(jian)(jian)(jian)(jian)外，不銹鋼(gang)(gang)管(guan)(guan)件(jian)(jian)(jian)(jian)可采用鋼(gang)(gang)板或(huo)鋼(gang)(gang)帶經過冷(leng)加(jia)工或(huo)熱(re)加(jia)工成形。根據公稱尺寸和(he)制(zhi)造方法的(de)不同，允許在殼(ke)體上有(you)一條(tiao)或(huo)兩條(tiao)以上縱向焊(han)(han)縫的(de)焊(han)(han)件(jian)(jian)(jian)(jian)，稱為鋼(gang)(gang)板制(zhi)對(dui)焊(han)(han)管(guan)(guan)件(jian)(jian)(jian)(jian)。1.管(guan)(guan)件(jian)(jian)(jian)(jian)的(de)標志方法 管(guan)(guan)件(jian)(jian)(jian)(jian)可采用鋼(gang)(gang)印、噴涂等(deng)方...
在(zai)不銹(xiu)鋼(gang)(gang)管(guan)(guan)(guan)(guan)件(jian)與管(guan)(guan)(guan)(guan)子采用對(dui)(dui)焊(han)連接的對(dui)(dui)焊(han)管(guan)(guan)(guan)(guan)件(jian)中，除無縫鋼(gang)(gang)管(guan)(guan)(guan)(guan)對(dui)(dui)焊(han)管(guan)(guan)(guan)(guan)件(jian)外，不銹(xiu)鋼(gang)(gang)管(guan)(guan)(guan)(guan)件(jian)可采用鋼(gang)(gang)板或鋼(gang)(gang)帶(dai)經過冷加工或熱加工成形。根據公(gong)稱(cheng)尺(chi)寸和制造方法(fa)的不同，允許在(zai)殼體上有一條(tiao)或兩條(tiao)以上縱向焊(han)縫的焊(han)件(jian)，稱(cheng)為鋼(gang)(gang)板制不銹(xiu)鋼(gang)(gang)對(dui)(dui)焊(han)管(guan)(guan)(guan)(guan)件(jian)。1.管(guan)(guan)(guan)(guan)件(jian)的制造 a.管(guan)(guan)(guan)(guan)件(jian)可采用鋼(gang)(gang)板或鋼(gang)(gang)...
在不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)(gang)管件與(yu)管子采(cai)用(yong)對焊連接(jie)的不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)(gang)對焊管件中，除(chu)無縫鋼(gang)(gang)(gang)(gang)管對焊管件外(wai)，不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)(gang)管件可采(cai)用(yong)鋼(gang)(gang)(gang)(gang)板或鋼(gang)(gang)(gang)(gang)帶經過冷加工或熱(re)加工成形(xing)。根(gen)據公(gong)稱尺寸和(he)制造方法的不(bu)(bu)(bu)同(tong)，允許(xu)在殼體上(shang)有一條或兩條以上(shang)縱向焊縫的焊件，稱為鋼(gang)(gang)(gang)(gang)板制對焊管件。1.用(yong)于制造不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)(gang)管件的常用(yong)鋼(gang)(gang)(gang)(gang)板材料牌號和(he)標準見...
在不銹(xiu)(xiu)鋼(gang)(gang)管(guan)件(jian)與管(guan)子采用對(dui)(dui)焊(han)連(lian)接(jie)的(de)(de)不銹(xiu)(xiu)鋼(gang)(gang)對(dui)(dui)焊(han)管(guan)件(jian)中，除無縫(feng)鋼(gang)(gang)管(guan)對(dui)(dui)焊(han)管(guan)件(jian)外，不銹(xiu)(xiu)鋼(gang)(gang)管(guan)件(jian)可采用鋼(gang)(gang)板或鋼(gang)(gang)帶(dai)經過冷加(jia)工或熱加(jia)工成形。根據公稱尺寸和(he)制(zhi)造方法的(de)(de)不同，允許在殼體(ti)上有一條或兩(liang)條以上縱向焊(han)縫(feng)的(de)(de)焊(han)件(jian)，稱為鋼(gang)(gang)板制(zhi)不銹(xiu)(xiu)鋼(gang)(gang)對(dui)(dui)焊(han)管(guan)件(jian)。 與管(guan)件(jian)連(lian)接(jie)的(de)(de)鋼(gang)(gang)管(guan)的(de)(de)壁(bi)厚分級見表...
在不(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)管(guan)(guan)件(jian)(jian)與(yu)管(guan)(guan)子采用(yong)對焊(han)(han)(han)連接的對焊(han)(han)(han)管(guan)(guan)件(jian)(jian)中，除(chu)無縫(feng)鋼(gang)(gang)管(guan)(guan)對焊(han)(han)(han)管(guan)(guan)件(jian)(jian)外，管(guan)(guan)件(jian)(jian)可采用(yong)鋼(gang)(gang)板或鋼(gang)(gang)帶經過冷加工或熱加工成形(xing)。根據(ju)公稱(cheng)尺(chi)(chi)寸和制(zhi)造方法的不(bu)(bu)同，允(yun)許(xu)在殼體(ti)上(shang)有(you)一(yi)條或兩(liang)條以上(shang)縱向(xiang)焊(han)(han)(han)縫(feng)的焊(han)(han)(han)件(jian)(jian)，稱(cheng)為鋼(gang)(gang)板制(zhi)不(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)對焊(han)(han)(han)管(guan)(guan)件(jian)(jian)。1.管(guan)(guan)件(jian)(jian)焊(han)(han)(han)端坡(po)(po)口 不(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)管(guan)(guan)件(jian)(jian)焊(han)(han)(han)端坡(po)(po)口形(xing)狀及(ji)尺(chi)(chi)...
在管(guan)(guan)件(jian)(jian)與(yu)管(guan)(guan)子采用對焊(han)連接(jie)的(de)不(bu)銹鋼(gang)對焊(han)管(guan)(guan)件(jian)(jian)中，除(chu)無(wu)縫鋼(gang)管(guan)(guan)對焊(han)管(guan)(guan)件(jian)(jian)外，不(bu)銹鋼(gang)管(guan)(guan)件(jian)(jian)可采用鋼(gang)板或鋼(gang)帶(dai)經過(guo)冷加工或熱(re)加工成形。根據公稱(cheng)尺寸和制(zhi)造(zao)方法的(de)不(bu)同，允許(xu)在殼體上(shang)有一條或兩條以上(shang)縱向焊(han)縫的(de)焊(han)件(jian)(jian)，稱(cheng)為鋼(gang)板制(zhi)不(bu)銹鋼(gang)對焊(han)管(guan)(guan)件(jian)(jian)。1.米制(zhi)尺寸 a.米制(zhi)尺寸的(de)管(guan)(guan)件(jian)(jian)尺寸...
管件的(de)尺寸分(fen)為(wei)以米制(zhi)(zhi)單(dan)(dan)位(wei)表(biao)示(shi)的(de)管件和(he)以英制(zhi)(zhi)單(dan)(dan)位(wei)表(biao)示(shi)的(de)管件兩(liang)(liang)個系(xi)列(lie)。在(zai)米制(zhi)(zhi)單(dan)(dan)位(wei)表(biao)示(shi)的(de)管件尺寸中，管件端部(bu)外徑(jing)（即與管子外徑(jing)相配的(de)坡口(kou)處外徑(jing)）分(fen)為(wei)Ⅰ及(ji)Ⅱ兩(liang)(liang)個系(xi)列(lie)，Ⅰ系(xi)列(lie)為(wei)國際通用系(xi)列(lie)。由于(yu)米制(zhi)(zhi)單(dan)(dan)位(wei)和(he)英制(zhi)(zhi)單(dan)(dan)位(wei)的(de)管件不能做(zuo)到精確的(de)等(deng)同，因此使用者必(bi)須分(fen)別采用兩(liang)(liang)種單(dan)(dan)位(wei)制(zhi)(zhi)。對于(yu)尺寸為(wei)米制(zhi)(zhi)單(dan)(dan)位(wei)...
在管(guan)(guan)件(jian)與(yu)管(guan)(guan)子采(cai)用(yong)對(dui)(dui)(dui)焊連接的(de)對(dui)(dui)(dui)焊管(guan)(guan)件(jian)中，除無(wu)縫鋼(gang)管(guan)(guan)對(dui)(dui)(dui)焊管(guan)(guan)件(jian)外，管(guan)(guan)件(jian)可采(cai)用(yong)鋼(gang)板或(huo)鋼(gang)帶經過冷加工或(huo)熱加工成形。根(gen)據公稱(cheng)尺(chi)寸和制造方法(fa)的(de)不(bu)同，允(yun)許在殼(ke)體上有一條或(huo)兩條以上縱向焊縫的(de)焊件(jian)，稱(cheng)為(wei)鋼(gang)板制對(dui)(dui)(dui)焊管(guan)(guan)件(jian)。 本章涉及DN150～DN1200（NPS6～NPS48）碳(tan)...
管件(jian)(jian)(jian)與管子的(de)連接方(fang)式采用(yong)對(dui)(dui)焊(han)(han)連接的(de)稱為對(dui)(dui)焊(han)(han)管件(jian)(jian)(jian)。在對(dui)(dui)焊(han)(han)管件(jian)(jian)(jian)中，通常采用(yong)無(wu)縫鋼管推制加工而成的(de)稱為對(dui)(dui)焊(han)(han)無(wu)縫管件(jian)(jian)(jian)。本章(zhang)涉及DN15～DN800（NPS1／2～NPS24）碳鋼、合金(jin)鋼和不銹鋼對(dui)(dui)焊(han)(han)無(wu)縫管件(jian)(jian)(jian)。1.管件(jian)(jian)(jian)的(de)標志方(fang)法 管件(jian)(jian)(jian)可采用(yong)低應(ying)力鋼印、噴涂、雕刻或標簽(qian)等(deng)方(fang)...
管(guan)(guan)(guan)件(jian)(jian)與管(guan)(guan)(guan)子的(de)連(lian)(lian)接(jie)方式(shi)采(cai)用(yong)對焊(han)連(lian)(lian)接(jie)的(de)稱(cheng)為對焊(han)管(guan)(guan)(guan)件(jian)(jian)。在對焊(han)管(guan)(guan)(guan)件(jian)(jian)中，通常采(cai)用(yong)無縫(feng)鋼管(guan)(guan)(guan)推制(zhi)加(jia)工(gong)而(er)成的(de)稱(cheng)為對焊(han)無縫(feng)管(guan)(guan)(guan)件(jian)(jian)。本章涉(she)及(ji)DN15～DN800（NPS1/2～NPS24）碳鋼、合金鋼和不(bu)銹鋼對焊(han)無縫(feng)管(guan)(guan)(guan)件(jian)(jian)。1.管(guan)(guan)(guan)件(jian)(jian)的(de)制(zhi)造(zao) a.管(guan)(guan)(guan)件(jian)(jian)可采(cai)用(yong)彎曲(qu)、擠壓(ya)(ya)、推制(zhi)、模(mo)壓(ya)(ya)機械加(jia)工(gong)...
