NEWS
鋼(gang)管(guan)(guan)(guan)(guan)通(tong)常分(fen)無(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)及有縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)兩種，是直接(jie)與管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)相連(lian)接(jie)的主要配套件(jian)(jian)(jian)，尤其(qi)是無(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)，它除了與管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)直接(jie)連(lian)接(jie)外，還可單獨制作很(hen)多管(guan)(guan)(guan)(guan)件(jian)(jian)(jian)制品。無(wu)(wu)縫(feng)(feng)三通(tong)就是以無(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)為坯料，根據碳素鋼(gang)、合金(jin)(jin)鋼(gang)、不銹鋼(gang)等(deng)金(jin)(jin)屬材料的機(ji)械性(xing)能(neng)（抗拉強度(du)、屈服(fu)極限、延伸(shen)率）及工(gong)藝(yi)性(xing)能(neng)（壓扁、擴(kuo)口、縮口...
1.三通(tong)(tong)(tong)(tong)肩部(bu)和(he)腹部(bu)三通(tong)(tong)(tong)(tong)的(de)(de)縱(zong)剖面中，靠近支管(guan)孔邊(bian)的(de)(de)區域稱(cheng)為(wei)三通(tong)(tong)(tong)(tong)的(de)(de)肩部(bu)，正對支管(guan)開孔的(de)(de)三通(tong)(tong)(tong)(tong)側面部(bu)位(wei)稱(cheng)為(wei)三通(tong)(tong)(tong)(tong)腹部(bu)，見圖2-3。2.最小壁(bi)厚(hou)考慮承壓強(qiang)度和(he)腐(fu)蝕余量等的(de)(de)計(ji)算厚(hou)度。3.公(gong)稱(cheng)壁(bi)厚(hou)按(an)照管(guan)子標準規格(ge)取用的(de)(de)壁(bi)厚(hou)，又稱(cheng)名義壁(bi)厚(hou)。4.有效壁(bi)厚(hou)公(gong)稱(cheng)壁(bi)厚(hou)與負偏(pian)差附加(jia)值的(de)(de)差值。5.外(wai)...
1.球墨(mo)鑄鐵用于制造(zao)管(guan)(guan)子(zi)、管(guan)(guan)件(jian)(jian)(jian)和(he)(he)附(fu)件(jian)(jian)(jian)的(de)(de)鑄鐵，其析(xi)出的(de)(de)石墨(mo)經預處理后成明顯球狀的(de)(de)鑄鐵。2.管(guan)(guan)端部有承(cheng)、插口或(huo)法蘭，內孔(kong)均(jun)勻、軸線(xian)成直線(xian)的(de)(de)鑄件(jian)(jian)(jian)。不包括作為管(guan)(guan)件(jian)(jian)(jian)的(de)(de)盤承(cheng)套(tao)(tao)管(guan)(guan)、盤插管(guan)(guan)和(he)(he)承(cheng)套(tao)(tao)。3.管(guan)(guan)件(jian)(jian)(jian)可使管(guan)(guan)線(xian)偏轉、改變方向或(huo)口徑不同于直管(guan)(guan)的(de)(de)鑄件(jian)(jian)(jian)。盤承(cheng)套(tao)(tao)管(guan)(guan)、盤插管(guan)(guan)和(he)(he)承(cheng)套(tao)(tao)也(ye)屬于管(guan)(guan)件(jian)(jian)(jian)。4....
1.配合螺(luo)(luo)紋(wen)(wen) 符合GB／T7306.1-2000《55°密封管螺(luo)(luo)紋(wen)(wen)第(di)1部(bu)(bu)分：圓(yuan)柱內(nei)螺(luo)(luo)紋(wen)(wen)與(yu)圓(yuan)錐外螺(luo)(luo)紋(wen)(wen)》及GB／T7306.2-2000《55°密封管螺(luo)(luo)紋(wen)(wen)第(di)2部(bu)(bu)分：圓(yuan)錐內(nei)螺(luo)(luo)紋(wen)(wen)與(yu)圓(yuan)錐外螺(luo)(luo)紋(wen)(wen)》的螺(luo)(luo)紋(wen)(wen)。2.緊固螺(luo)(luo)紋(wen)(wen) 符合GB／T7306.1及GB／T...
不(bu)銹鋼(gang)管件是管道(dao)系(xi)統(tong)中的一個主要組(zu)成(cheng)部分和重要連接件，在管道(dao)系(xi)統(tong)中起著改(gai)變(bian)管道(dao)走向、改(gai)變(bian)管徑以及從主管中引(yin)出支管和封閉管道(dao)等作用(yong)(yong)。它(ta)廣(guang)泛應用(yong)(yong)于機械、建筑、石油(you)、化(hua)(hua)工、石油(you)化(hua)(hua)工、水利(li)、電力、輕工、制藥及核(he)工業等行(xing)業的管道(dao)系(xi)統(tong)中。 管件的種類很(hen)多，按材料(liao)可分...
一、平焊(han)環(huan)板式(shi)松(song)套(tao)法(fa)蘭型式(shi)與尺(chi)寸用(yong)PN標記的(de)(de)平焊(han)環(huan)板式(shi)松(song)套(tao)鋼制管法(fa)蘭的(de)(de)密(mi)封(feng)面(mian)型式(shi)及適用(yong)的(de)(de)公稱壓力和公稱尺(chi)寸范(fan)圍(wei)見表(biao)6-124;用(yong)PN標記的(de)(de)平焊(han)環(huan)板式(shi)松(song)套(tao)鋼制管法(fa)蘭的(de)(de)型式(shi)如圖(tu)6-56~圖(tu)6-59所示，法(fa)蘭密(mi)封(feng)面(mian)尺(chi)寸見表(biao)6-125,法(fa)蘭的(de)(de)結構尺(chi)寸見表(biao)6-126~表(biao)6-131。二、平焊(han)...
一、翻(fan)邊(bian)(bian)(bian)環板(ban)(ban)式(shi)(shi)松(song)(song)(song)套法蘭(lan)(lan)(lan)型(xing)(xing)式(shi)(shi)與尺(chi)(chi)寸 翻(fan)邊(bian)(bian)(bian)環板(ban)(ban)式(shi)(shi)松(song)(song)(song)套法蘭(lan)(lan)(lan)包括用PN標記(ji)的管端翻(fan)邊(bian)(bian)(bian)板(ban)(ban)式(shi)(shi)松(song)(song)(song)套鋼(gang)制管法蘭(lan)(lan)(lan)（A型(xing)(xing)）和翻(fan)邊(bian)(bian)(bian)短節(jie)板(ban)(ban)式(shi)(shi)松(song)(song)(song)套鋼(gang)制管法蘭(lan)(lan)(lan)（B型(xing)(xing)）兩類，其密封面型(xing)(xing)式(shi)(shi)及(ji)適用的公稱壓力和公稱尺(chi)(chi)寸范圍見表(biao)6-132;用PN標記(ji)的翻(fan)邊(bian)(bian)(bian)環板(ban)(ban)式(shi)(shi)松(song)(song)(song)套鋼(gang)制管法蘭(lan)(lan)(lan)的型(xing)(xing)式(shi)(shi)如圖6-60~圖6-61...
一、對(dui)焊(han)(han)環(huan)板(ban)式(shi)松套(tao)法(fa)蘭(lan)(lan)型(xing)式(shi)與尺(chi)寸 用PN標(biao)記的對(dui)焊(han)(han)環(huan)板(ban)式(shi)松套(tao)鋼制(zhi)(zhi)管(guan)法(fa)蘭(lan)(lan)分為A型(xing)和(he)B型(xing)兩(liang)種(zhong)結構型(xing)式(shi)，其密封面型(xing)式(shi)及(ji)適用的公(gong)稱(cheng)壓(ya)力和(he)公(gong)稱(cheng)尺(chi)寸范圍見表(biao)6-112。1.用PN標(biao)記的A型(xing)對(dui)焊(han)(han)環(huan)板(ban)式(shi)松套(tao)鋼制(zhi)(zhi)管(guan)法(fa)蘭(lan)(lan)的型(xing)式(shi)如圖6-51~圖6-54所示；法(fa)蘭(lan)(lan)密封面尺(chi)寸見表(biao)6-113;法(fa)...
一、法(fa)(fa)(fa)蘭蓋(gai)(gai)型式與尺寸1.用PN標(biao)記的(de)鋼制管法(fa)(fa)(fa)蘭蓋(gai)(gai) 用PN標(biao)記的(de)鋼制管法(fa)(fa)(fa)蘭蓋(gai)(gai)的(de)密(mi)封面型式及適(shi)用的(de)公稱壓力(li)和公稱尺寸范(fan)圍見(jian)表(biao)6-136;用PN標(biao)記的(de)鋼制管法(fa)(fa)(fa)蘭蓋(gai)(gai)的(de)型式如圖(tu)6-62~圖(tu)6-67所示，密(mi)封面尺寸見(jian)表(biao)6-137~表(biao)6-138,法(fa)(fa)(fa)蘭結(jie)構尺寸見(jian)表(biao)6-139~表(biao)6-...
香蕉視頻app蘋果:用PN標記(ji)的法蘭尺寸公差(cha)見(jian)表6-157...
1.用(yong)(yong)(yong)PN標記的鋼制(zhi)管法(fa)蘭用(yong)(yong)(yong)材(cai)料見(jian)表6-159;用(yong)(yong)(yong)Class標記的鋼制(zhi)管法(fa)蘭用(yong)(yong)(yong)材(cai)料見(jian)表6-160。法(fa)蘭材(cai)料的化學(xue)成分(fen)、力學(xue)性能、使用(yong)(yong)(yong)溫度和(he)其他技(ji)術要求應(ying)符(fu)合(he)表6-159和(he)表6-160中(zhong)有關標準的規定。2.管法(fa)蘭用(yong)(yong)(yong)鍛件（包括鍛軋件）的級(ji)別及其技(ji)術要求參照JB/T4726...
香蕉視頻app蘋果(guo):用Class標記的法(fa)蘭尺寸公差見(jian)表 6-158...
