NEWS
管(guan)件（按計算其壓力額定值的(de)基準管(guan)子）分為Sch80和Sch160兩(liang)個(ge)等級。根據配接管(guan)子外(wai)徑的(de)不同選擇(ze)，管(guan)件承口內徑尺寸(cun)（d1）和流通(tong)孔直(zhi)徑尺寸(cun)（d2）分別規定了A、B兩(liang)個(ge)系(xi)列，推(tui)薦優先選用A系(xi)列。 同一(yi)管(guan)件的(de)各承口處尺寸(cun)應同為A系(xi)列或B系(xi)列。但在供需雙方協商...
管(guan)(guan)件與管(guan)(guan)子的(de)連(lian)接(jie)方(fang)式采用承(cheng)插焊(han)連(lian)接(jie)，而工(gong)(gong)藝采用模鍛成型和(he)切削加工(gong)(gong)的(de)方(fang)法(fa)或棒(bang)料加工(gong)(gong)制(zhi)造的(de)管(guan)(guan)件稱為鍛鋼(gang)制(zhi)承(cheng)插焊(han)管(guan)(guan)件。這(zhe)種管(guan)(guan)件的(de)規(gui)格(ge)較小，通常公稱通徑范(fan)圍(wei)為DN15～DN80。管(guan)(guan)件種類及(ji)代號見表10-1。...
在(zai)不(bu)銹鋼(gang)(gang)(gang)管(guan)(guan)件(jian)與管(guan)(guan)子采用對焊(han)連接的(de)對焊(han)管(guan)(guan)件(jian)中(zhong)，除無縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)對焊(han)管(guan)(guan)件(jian)外，不(bu)銹鋼(gang)(gang)(gang)管(guan)(guan)件(jian)可(ke)采用鋼(gang)(gang)(gang)板或(huo)鋼(gang)(gang)(gang)帶經過冷加(jia)工或(huo)熱加(jia)工成(cheng)形。根據(ju)公稱(cheng)尺寸(cun)和制造方(fang)法(fa)的(de)不(bu)同，允(yun)許在(zai)殼體上有(you)一條或(huo)兩條以上縱向焊(han)縫(feng)的(de)焊(han)件(jian)，稱(cheng)為鋼(gang)(gang)(gang)板制對焊(han)管(guan)(guan)件(jian)。1.管(guan)(guan)件(jian)的(de)標志方(fang)法(fa) 管(guan)(guan)件(jian)可(ke)采用鋼(gang)(gang)(gang)印、噴涂等方(fang)...
在不(bu)銹鋼(gang)管(guan)件(jian)(jian)與管(guan)子采用(yong)對(dui)焊(han)連接的對(dui)焊(han)管(guan)件(jian)(jian)中(zhong)，除無(wu)縫(feng)鋼(gang)管(guan)對(dui)焊(han)管(guan)件(jian)(jian)外，不(bu)銹鋼(gang)管(guan)件(jian)(jian)可采用(yong)鋼(gang)板(ban)或鋼(gang)帶經過冷加(jia)工或熱加(jia)工成形。根據公稱尺寸(cun)和制造方(fang)法的不(bu)同，允許在殼體上有(you)一條或兩(liang)條以上縱向焊(han)縫(feng)的焊(han)件(jian)(jian)，稱為鋼(gang)板(ban)制不(bu)銹鋼(gang)對(dui)焊(han)管(guan)件(jian)(jian)。1.管(guan)件(jian)(jian)的制造 a.管(guan)件(jian)(jian)可采用(yong)鋼(gang)板(ban)或鋼(gang)...
在不(bu)銹鋼(gang)管(guan)(guan)件(jian)(jian)(jian)與(yu)管(guan)(guan)子采用對(dui)焊連(lian)接的不(bu)銹鋼(gang)對(dui)焊管(guan)(guan)件(jian)(jian)(jian)中，除無縫(feng)(feng)鋼(gang)管(guan)(guan)對(dui)焊管(guan)(guan)件(jian)(jian)(jian)外，不(bu)銹鋼(gang)管(guan)(guan)件(jian)(jian)(jian)可采用鋼(gang)板或鋼(gang)帶經過冷加工或熱加工成形。根據公(gong)稱尺寸(cun)和(he)制造方法的不(bu)同(tong)，允(yun)許在殼體上有一條(tiao)或兩條(tiao)以上縱向(xiang)焊縫(feng)(feng)的焊件(jian)(jian)(jian)，稱為鋼(gang)板制對(dui)焊管(guan)(guan)件(jian)(jian)(jian)。1.用于(yu)制造不(bu)銹鋼(gang)管(guan)(guan)件(jian)(jian)(jian)的常用鋼(gang)板材(cai)料牌號和(he)標準(zhun)見...
在(zai)不(bu)銹鋼(gang)(gang)管(guan)(guan)件(jian)(jian)(jian)與(yu)(yu)管(guan)(guan)子采用對(dui)焊(han)連接的不(bu)銹鋼(gang)(gang)對(dui)焊(han)管(guan)(guan)件(jian)(jian)(jian)中，除無(wu)縫鋼(gang)(gang)管(guan)(guan)對(dui)焊(han)管(guan)(guan)件(jian)(jian)(jian)外(wai)，不(bu)銹鋼(gang)(gang)管(guan)(guan)件(jian)(jian)(jian)可(ke)采用鋼(gang)(gang)板(ban)或鋼(gang)(gang)帶(dai)經過冷(leng)加工或熱加工成形。根據(ju)公(gong)稱尺寸和(he)制造方法的不(bu)同，允(yun)許在(zai)殼體(ti)上有一條(tiao)或兩條(tiao)以上縱向焊(han)縫的焊(han)件(jian)(jian)(jian)，稱為鋼(gang)(gang)板(ban)制不(bu)銹鋼(gang)(gang)對(dui)焊(han)管(guan)(guan)件(jian)(jian)(jian)。 與(yu)(yu)管(guan)(guan)件(jian)(jian)(jian)連接的鋼(gang)(gang)管(guan)(guan)的壁厚分級見表...
在不(bu)銹(xiu)鋼(gang)(gang)管(guan)(guan)件(jian)(jian)與管(guan)(guan)子采(cai)用對(dui)焊(han)(han)連(lian)接的(de)對(dui)焊(han)(han)管(guan)(guan)件(jian)(jian)中，除無縫鋼(gang)(gang)管(guan)(guan)對(dui)焊(han)(han)管(guan)(guan)件(jian)(jian)外，管(guan)(guan)件(jian)(jian)可(ke)采(cai)用鋼(gang)(gang)板或鋼(gang)(gang)帶經過冷(leng)加工或熱(re)加工成形(xing)。根據公稱尺寸(cun)和(he)制造方法的(de)不(bu)同，允許在殼體上有一(yi)條或兩(liang)條以(yi)上縱向(xiang)焊(han)(han)縫的(de)焊(han)(han)件(jian)(jian)，稱為鋼(gang)(gang)板制不(bu)銹(xiu)鋼(gang)(gang)對(dui)焊(han)(han)管(guan)(guan)件(jian)(jian)。1.管(guan)(guan)件(jian)(jian)焊(han)(han)端坡(po)口 不(bu)銹(xiu)鋼(gang)(gang)管(guan)(guan)件(jian)(jian)焊(han)(han)端坡(po)口形(xing)狀及尺...
在管(guan)(guan)件(jian)(jian)與管(guan)(guan)子采用對焊連接(jie)的不(bu)銹鋼(gang)對焊管(guan)(guan)件(jian)(jian)中，除無縫鋼(gang)管(guan)(guan)對焊管(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(jing)過冷加工或熱加工成形。根據公稱(cheng)尺寸(cun)和制(zhi)(zhi)造方(fang)法的不(bu)同(tong)，允(yun)許在殼(ke)體上有(you)一條或兩(liang)條以上縱向(xiang)焊縫的焊件(jian)(jian)，稱(cheng)為鋼(gang)板制(zhi)(zhi)不(bu)銹鋼(gang)對焊管(guan)(guan)件(jian)(jian)。1.米制(zhi)(zhi)尺寸(cun) a.米制(zhi)(zhi)尺寸(cun)的管(guan)(guan)件(jian)(jian)尺寸(cun)...
管(guan)(guan)件(jian)的(de)尺寸(cun)分(fen)為(wei)以米制單(dan)位(wei)表示的(de)管(guan)(guan)件(jian)和(he)以英制單(dan)位(wei)表示的(de)管(guan)(guan)件(jian)兩個(ge)系(xi)列(lie)(lie)。在米制單(dan)位(wei)表示的(de)管(guan)(guan)件(jian)尺寸(cun)中，管(guan)(guan)件(jian)端部(bu)外(wai)(wai)徑(jing)（即與管(guan)(guan)子外(wai)(wai)徑(jing)相(xiang)配的(de)坡口處外(wai)(wai)徑(jing)）分(fen)為(wei)Ⅰ及Ⅱ兩個(ge)系(xi)列(lie)(lie)，Ⅰ系(xi)列(lie)(lie)為(wei)國際通用(yong)系(xi)列(lie)(lie)。由于米制單(dan)位(wei)和(he)英制單(dan)位(wei)的(de)管(guan)(guan)件(jian)不能做到精確的(de)等同(tong)，因此使用(yong)者必(bi)須分(fen)別采用(yong)兩種單(dan)位(wei)制。對于尺寸(cun)為(wei)米制單(dan)位(wei)...
在(zai)管件(jian)(jian)與管子采用對(dui)焊(han)連接(jie)的對(dui)焊(han)管件(jian)(jian)中，除無縫(feng)鋼(gang)(gang)管對(dui)焊(han)管件(jian)(jian)外(wai)，管件(jian)(jian)可采用鋼(gang)(gang)板或(huo)鋼(gang)(gang)帶經過冷加(jia)工(gong)或(huo)熱加(jia)工(gong)成(cheng)形(xing)。根(gen)據公稱(cheng)尺寸(cun)和(he)制造方法的不同，允許在(zai)殼體上(shang)(shang)有一條或(huo)兩條以上(shang)(shang)縱向焊(han)縫(feng)的焊(han)件(jian)(jian)，稱(cheng)為鋼(gang)(gang)板制對(dui)焊(han)管件(jian)(jian)。 本章(zhang)涉及DN150～DN1200（NPS6～NPS48）碳...
管(guan)(guan)件(jian)與管(guan)(guan)子的(de)連接(jie)方式采用對(dui)焊(han)連接(jie)的(de)稱為(wei)對(dui)焊(han)管(guan)(guan)件(jian)。在對(dui)焊(han)管(guan)(guan)件(jian)中(zhong)，通常采用無(wu)縫鋼管(guan)(guan)推制(zhi)加工而成的(de)稱為(wei)對(dui)焊(han)無(wu)縫管(guan)(guan)件(jian)。本(ben)章涉及DN15～DN800（NPS1／2～NPS24）碳鋼、合金鋼和(he)不銹鋼對(dui)焊(han)無(wu)縫管(guan)(guan)件(jian)。1.管(guan)(guan)件(jian)的(de)標志方法(fa) 管(guan)(guan)件(jian)可(ke)采用低應力鋼印、噴涂(tu)、雕刻或標簽等方...
管(guan)(guan)(guan)(guan)件與管(guan)(guan)(guan)(guan)子的(de)(de)連(lian)接(jie)(jie)方式(shi)采用對(dui)(dui)焊(han)連(lian)接(jie)(jie)的(de)(de)稱(cheng)為(wei)對(dui)(dui)焊(han)管(guan)(guan)(guan)(guan)件。在對(dui)(dui)焊(han)管(guan)(guan)(guan)(guan)件中，通常采用無縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)推制加(jia)工而成的(de)(de)稱(cheng)為(wei)對(dui)(dui)焊(han)無縫(feng)管(guan)(guan)(guan)(guan)件。本章涉及(ji)DN15～DN800（NPS1/2～NPS24）碳鋼(gang)、合金鋼(gang)和不銹(xiu)鋼(gang)對(dui)(dui)焊(han)無縫(feng)管(guan)(guan)(guan)(guan)件。1.管(guan)(guan)(guan)(guan)件的(de)(de)制造 a.管(guan)(guan)(guan)(guan)件可采用彎曲、擠壓(ya)、推制、模(mo)壓(ya)機(ji)械(xie)加(jia)工...
