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無縫方矩管(guan)(guan)執行標準(zhun)GB/T6728-2002GB/T6725-2002 GBT3094-2000，JG 178-2005， ASTM A500 JIS G3466，EN10210或技(ji)術協(xie)議。GB/T3094-2000 (國(guo)標) 冷(leng)壓異型(xing)矩形(xing)管(guan)(guan)GB/T6728-2002 (國(guo)標) 結構用冷(leng)彎空(kong)心型(xing)鋼(gang)ASTM A500 (美標)結構用碳素(su)鋼(gang)冷(leng)成型(xing)圓截(jie)面和(he)異形(xing)截(jie)面焊(han)接矩形(xing)管(guan)(guan)和(he)無縫矩形(xing)管(guan)(guan)EN10219-1-2006(歐標) 非合金及細晶(jing)粒的冷(leng)成型(xing)焊(han)接空(kong)心結構型(xing)材JIS G 3466 (日(ri)標) 一(yi)般(ban)構造用角型(xing)矩形(xing)管(guan)(guan)

無(wu)縫(feng)方(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)直(zhi)(zhi)角(jiao)(jiao)(jiao)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)是(shi)一種(zhong)特(te)殊方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)，有別于(yu)(yu)普(pu)通(tong)的(de)圓弧(hu)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)，其(qi)R角(jiao)(jiao)(jiao)大(da)小接(jie)近于(yu)(yu)0的(de)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)。就(jiu)現階段的(de)工(gong)藝而(er)言(yan)，一般由圓管(guan)(guan)(guan)(guan)(guan)軋制而(er)成的(de)方(fang)(fang)(fang)形(xing)管(guan)(guan)(guan)(guan)(guan)。直(zhi)(zhi)角(jiao)(jiao)(jiao)方(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)：是(shi)一種(zhong)R角(jiao)(jiao)(jiao)不(bu)(bu)(bu)大(da)于(yu)(yu)壁(bi)厚(hou)的(de)1 倍為(wei)直(zhi)(zhi)角(jiao)(jiao)(jiao)方(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)。尖角(jiao)(jiao)(jiao)方(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)：當壁(bi)厚(hou)不(bu)(bu)(bu)大(da)于(yu)(yu)3mm 時，R 角(jiao)(jiao)(jiao)不(bu)(bu)(bu)大(da)于(yu)(yu) 1mm；當壁(bi)厚(hou)為(wei) 3-8mm 時 R 角(jiao)(jiao)(jiao)不(bu)(bu)(bu)大(da)于(yu)(yu) 2mm；當壁(bi)厚(hou)在8mm 以(yi)上(shang)時，R 不(bu)(bu)(bu)大(da)于(yu)(yu) 3mm 為(wei)尖角(jiao)(jiao)(jiao)方(fang)(fang)(fang)矩(ju)(ju)管(guan)(guan)(guan)(guan)(guan)。直(zhi)(zhi)角(jiao)(jiao)(jiao)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)按工(gong)藝分(fen)類焊(han)接(jie)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)、無(wu)縫(feng)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)其(qi)中(zhong)焊(han)接(jie)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)，按焊(han)接(jie)方(fang)(fang)(fang)式分(fen)為(wei)：埋弧(hu)焊(han)和高頻(pin)焊(han)按焊(han)縫(feng)方(fang)(fang)(fang)式分(fen)為(wei)：直(zhi)(zhi)縫(feng)焊(han)接(jie)和螺旋焊(han)接(jie)。直(zhi)(zhi)角(jiao)(jiao)(jiao)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)直(zhi)(zhi)角(jiao)(jiao)(jiao)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)按材(cai)質分(fen)類普(pu)通(tong)碳鋼方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)、低合金(jin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)，合金(jin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)1、普(pu)通(tong)碳鋼方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)：Q195、Q235 、Q275、20#、45#等(deng)(deng)2、低合金(jin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)：Q355、Q390 、Q420、Q460等(deng)(deng)3、合金(jin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)：Mn、MnV、SiMn、SiMnMoV、Cr、CRSi、CrMo、CrMn等(deng)(deng)

無縫方矩(ju)(ju)管(guan)(guan)(guan)(guan)輸送可燃(ran)(ran)(ran)性(xing)(xing)(xing)和(he)非(fei)可燃(ran)(ran)(ran)性(xing)(xing)(xing)流(liu)體用(yong)方管(guan)(guan)(guan)(guan)，標(biao)準(zhun)號為GB/T9711.1（GB/T9711.2）-1997.代表材(cai)質(zhi)為L245-L415，等(deng)管(guan)(guan)(guan)(guan)線用(yong)鋼。主要(yao)(yao)用(yong)于(yu)輸送可燃(ran)(ran)(ran)性(xing)(xing)(xing)和(he)非(fei)可燃(ran)(ran)(ran)性(xing)(xing)(xing)流(liu)體低壓或高壓用(yong)方管(guan)(guan)(guan)(guan)，要(yao)(yao)求(qiu)比較高。主要(yao)(yao)用(yong)于(yu)工程建(jian)筑(zhu)、玻璃幕(mu)墻，門窗(chuang)裝飾、鋼結(jie)構(gou)、護欄、機械制(zhi)(zhi)造、汽車制(zhi)(zhi)造、家(jia)(jia)電(dian)制(zhi)(zhi)造、造船、集裝箱制(zhi)(zhi)造、電(dian)力、農業(ye)建(jian)設、農業(ye)大棚、自行(xing)車架(jia)(jia)、摩托車架(jia)(jia)、貨(huo)架(jia)(jia)、健身器材(cai)、休(xiu)閑和(he)旅游用(yong)品(pin)、鋼家(jia)(jia)具、各(ge)種規格的石油套(tao)管(guan)(guan)(guan)(guan)、油管(guan)(guan)(guan)(guan)和(he)管(guan)(guan)(guan)(guan)線管(guan)(guan)(guan)(guan)、水、燃(ran)(ran)(ran)氣(qi)、污水、空氣(qi)、采暖(nuan)等(deng)流(liu)體輸送、消防(fang)用(yong)及(ji)支(zhi)架(jia)(jia)，建(jian)筑(zhu)業(ye)等(deng)領域(yu)。金帝無縫方矩(ju)(ju)管(guan)(guan)(guan)(guan)廠家(jia)(jia)規格全、量大更優惠！歡迎(ying)新老客(ke)戶前來咨(zi)詢！無縫方矩(ju)(ju)管(guan)(guan)(guan)(guan)應用(yong)范圍廣，產品(pin)經濟耐用(yong)，期(qi)待合作共贏！