NEWS
20世紀80年(nian)代以來，國家改革開放政策的(de)(de)(de)實施，促進(jin)了經濟(ji)快速發展，帶動(dong)了無縫(feng)鋼管行(xing)業的(de)(de)(de)進(jin)步。不銹(xiu)(xiu)鋼無縫(feng)管的(de)(de)(de)生產也得到快速地成長，引進(jin)了先進(jin)的(de)(de)(de)工(gong)藝(yi)技術和裝備。 目前，我國不銹(xiu)(xiu)鋼管生產仍以冷軋、冷拔代替熱(re)軋產品為(wei)主，熱(re)軋管機組生產的(de)(de)(de)不銹(xiu)(xiu)管主要(yao)是為(wei)冷加工(gong)提供(gong)管...
20世紀50年代，成(cheng)都無(wu)(wu)縫(feng)廠(chang)(chang)和(he)包鋼無(wu)(wu)縫(feng)廠(chang)(chang)在建廠(chang)(chang)的設計方案中(zhong)，曾分(fen)別(bie)建設一個(ge)年產(chan)(chan)5萬個(ge)和(he)30萬個(ge)氧(yang)氣瓶(ping)的生(sheng)產(chan)(chan)車間，成(cheng)都無(wu)(wu)縫(feng)廠(chang)(chang)的氧(yang)氣瓶(ping)車間建成(cheng)后，被建設單位自己留用了(le)，包鋼無(wu)(wu)縫(feng)廠(chang)(chang)的氧(yang)氣瓶(ping)車間最終沒(mei)有建設。 改革開放前(qian)后，這(zhe)兩個(ge)廠(chang)(chang)相繼開始生(sheng)產(chan)(chan)氣瓶(ping)管，主要的牌號...
香蕉視頻app下載蘋(pin)果版:不(bu)同GB標準鋼管(guan)的使(shi)用(yong)范圍見(jian)表4.2.7...
管(guan)(guan)道(dao)用(yong)(yong)鋼管(guan)(guan)（Pipe）美標(biao)標(biao)準：ASTMA53《無鍍層(ceng)及熱浸鍍鋅(xin)焊接與(yu)無縫(feng)公(gong)稱(cheng)(cheng)管(guan)(guan)》；API5L《管(guan)(guan)線鋼規范(fan)》；ASTMA106《高溫用(yong)(yong)無縫(feng)碳鋼公(gong)稱(cheng)(cheng)管(guan)(guan)》；ASTMA312《無縫(feng)和焊接奧氏體不(bu)銹鋼公(gong)稱(cheng)(cheng)管(guan)(guan)》；ASTMA333《低溫用(yong)(yong)無縫(feng)和焊接公(gong)稱(cheng)(cheng)鋼管(guan)(guan)》；ASTM...
常有管(guan)道(dao)設計(ji)人員(yuan)向筆者咨詢Pipe與Tube管(guan)道(dao)的(de)(de)(de)區別。在(zai)ASMEB31.1（動力管(guan)道(dao)）第100.2節中有詳細的(de)(de)(de)定義。Pipe是有圓(yuan)形(xing)截面(mian)(mian)的(de)(de)(de)空心制品；Tube是具有連續周圓(yuan)形(xing)或任(ren)何其截面(mian)(mian)形(xing)狀的(de)(de)(de)空心制品。在(zai)規格表示上，Tube的(de)(de)(de)外徑、內徑和(he)壁厚(hou)可用(yong)兩個獨立參數表示，...
1.不銹(xiu)鋼焊(han)接鋼管用(yong)途不同而分為如下標準。2.板(ban)焊(han)管的選用(yong)。鋼板(ban)焊(han)制不銹(xiu)鋼管（板(ban)焊(han)管）國內(nei)尚(shang)無標準，板(ban)焊(han)管制造(zao)標準可暫參照(zhao)ASTMA671《常(chang)溫(wen)和低溫(wen)用(yong)電(dian)熔焊(han)鋼管》、ASTMA672《中(zhong)溫(wen)和高壓(ya)用(yong)電(dian)熔焊(han)鋼管》和ASTMA691《高溫(wen)和高壓(ya)用(yong)碳素鋼和合金鋼電(dian)熔焊(han)鋼管》，或按(an)...
1.因不(bu)(bu)銹鋼(gang)無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)管用(yong)(yong)途不(bu)(bu)同而分為如下標準(zhun)。 2.不(bu)(bu)銹鋼(gang)無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)管是采(cai)用(yong)(yong)穿(chuan)孔熱軋等熱加工方法制造的(de)(de)不(bu)(bu)帶焊縫(feng)(feng)(feng)的(de)(de)鋼(gang)管。必要(yao)時，熱加工后的(de)(de)管子還可以(yi)進一(yi)步冷加工至所要(yao)求的(de)(de)形狀、尺寸(cun)和性能。目前，無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)管（DN15～600）是石油化工生產裝置中(zhong)應用(yong)(yong)最(zui)多的(de)(de)管子。...
SH/T3059-2012石油化工管(guan)(guan)道設計(ji)器材(cai)選(xuan)用規范主要(yao)是石油化工行(xing)業鋼管(guan)(guan)的選(xuan)用，對毒(du)性介(jie)質、酸堿腐蝕性介(jie)質、高溫(wen)(wen)介(jie)質等不(bu)(bu)銹鋼管(guan)(guan)提(ti)出了選(xuan)用要(yao)求。（1）設計(ji)溫(wen)(wen)度(du)低(di)于或(huo)等于-20℃的低(di)溫(wen)(wen)管(guan)(guan)道用鋼材(cai)，除含碳量(liang)小于或(huo)等于0.10％且符合標準的鉻(ge)鎳奧氏體不(bu)(bu)銹鋼，在材(cai)料溫(wen)(wen)度(du)不(bu)(bu)低(di)于-196...
GB/T20801.1-2020壓(ya)(ya)力(li)管(guan)(guan)道(dao)規(gui)范工業(ye)管(guan)(guan)道(dao)第1部分(fen)(fen)規(gui)定了工業(ye)金屬(shu)壓(ya)(ya)力(li)管(guan)(guan)道(dao)設(she)計、制(zhi)作、安(an)(an)裝(zhuang)、檢(jian)驗、試驗和安(an)(an)全防(fang)護的基本(ben)要(yao)求。GB/T20801的本(ben)部分(fen)(fen)規(gui)定了壓(ya)(ya)力(li)管(guan)(guan)道(dao)的適用范圍和管(guan)(guan)道(dao)分(fen)(fen)級(ji)等基本(ben)要(yao)求。規(gui)范所指工業(ye)金屬(shu)壓(ya)(ya)力(li)管(guan)(guan)道(dao)包括了工藝裝(zhuang)置、輔(fu)助裝(zhuang)...
ASMEB31.3工(gong)(gong)(gong)(gong)藝管(guan)道(dao)標準在國(guo)內外廣泛應用，以(yi)前規(gui)范名(ming)稱為“化工(gong)(gong)(gong)(gong)廠(chang)管(guan)道(dao)”，后又改名(ming)為“工(gong)(gong)(gong)(gong)藝管(guan)道(dao)”，適用于煉(lian)油、化工(gong)(gong)(gong)(gong)、制藥、紡織(zhi)、造紙(zhi)、半導體(ti)和制冷工(gong)(gong)(gong)(gong)廠(chang)以(yi)及相關的工(gong)(gong)(gong)(gong)藝裝置(zhi)的管(guan)子(zi)選用。（1）D類流體(ti)工(gong)(gong)(gong)(gong)況的管(guan)子(zi)。下列碳鋼管(guan)僅(jin)可(ke)用于D類流體(ti)工(gong)(gong)(gong)(gong)況：①.API5L，加熱爐(lu)對接焊管(guan)；...
GB50316-2008工(gong)業金屬(shu)(shu)管(guan)道設計要求(qiu)規范適用(yong)于(yu)(yu)(yu)公稱壓(ya)力(li)小于(yu)(yu)(yu)或等于(yu)(yu)(yu)42MPa的工(gong)業金屬(shu)(shu)管(guan)道及非金屬(shu)(shu)襯里(li)的工(gong)業金屬(shu)(shu)管(guan)道的設計。（1）鋼管(guan)材(cai)料的使用(yong)溫度(du)(du)，不應超出GB50316所規定的溫度(du)(du)上下限(xian)。（2）Q235A材(cai)料宜用(yong)于(yu)(yu)(yu)C及D類(lei)流體管(guan)道［Q235A、Q235AF（GB/T...
不(bu)銹鋼焊(han)(han)(han)(han)管(guan)(guan)按成型工(gong)藝(yi)(yi)分(fen)為螺旋焊(han)(han)(han)(han)管(guan)(guan)、直(zhi)縫焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)鋼管(guan)(guan)。按焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)工(gong)藝(yi)(yi)分(fen)有高頻電阻焊(han)(han)(han)(han)和埋(mai)弧焊(han)(han)(han)(han)。螺旋焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)管(guan)(guan)均采用埋(mai)弧焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)工(gong)藝(yi)(yi)，直(zhi)縫焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)管(guan)(guan)有：埋(mai)弧焊(han)(han)(han)(han)直(zhi)縫管(guan)(guan)（UOE），高頻電阻焊(han)(han)(han)(han)直(zhi)縫管(guan)(guan)（ERW）。生產工(gong)藝(yi)(yi)見圖4.2.3～圖4.2.5。 ERW工(gong)藝(yi)(yi)在焊(han)(han)(han)(han)接(jie)(jie)(jie)(jie)過程中不(bu)添加任(ren)何(he)焊(han)(han)(han)(han)...
