無縫方管導電不良影響
良好的抗腐蝕性,可焊接性,氧化效果好.廣泛應用于要求有一定強度和素蝕性高的各種工業結構件。可廣泛應用到如制造卡車、搭式建筑、船舶、電車、家具、機械零件、精密加工,工業用料比較廣泛等。無縫方管具有這么多優勢,那么無縫方管都還有哪些優勢呢。6061其強度雖不能與2XXX系或7XXX系相比,但其鎂、硅合金特性多,具有加工性能、優良的焊接特點及電鍍性、良好的抗腐蝕性、韌性高及加工后不變形、材料致密無缺陷及易于拋光、上色膜容易、氧化效果等優良特點。從生產來看,無縫方管從半連續鑄錠、均勻化、鋸切、銑面、包鋁、加熱、熱軋、退火、冷軋、退火、冷軋、固溶處理、時效處理,剪切、矯、檢驗、涂油包裝的這一系列的工藝流程。其中,6061-T651無縫方管的主要產品之一,從性能上看,T651除了具有抗腐蝕、焊接性好、韌性高、電鍍性好等特點外,還具有材料細密無缺陷,易于拋光,氧化效果等優點。無縫方管屬于6系鋁鎂硅系合金產品,經熱處理預拉伸工藝而成的高品質鋁合金,無縫方管的強度比2系、7系較差,但是由于鎂、硅元素的存在又具有加工性能優良、焊接性良好、抗腐蝕、加工后不易變形等優點。因此,從整體上看,無縫方管屬于品質高、性能優的鋁合金產品。無縫方管的成分有:銅0.150.4錳0.15鎂0.81.2鋅:0.25鉻:0.040.35鈦0.15硅0.40.8鐵0.7鋁板一般含有一定的錳元素與鉻元素,有時還會添加少量的銅或鋅,這可以鋁板強度,同時避免6061鋁合金的抗腐蝕性,銅元素可以鐵對其造成的導電不良等影響。無縫方管是(shi)(shi)合(he)金的(de)(de)(de)(de)(de)(de)(de)代(dai)(dai)表產品之(zhi)一(yi),廣泛應(ying)(ying)(ying)(ying)用于(yu)(yu)有(you)一(yi)定強度(du)和耐腐蝕(shi)要求(qiu)的(de)(de)(de)(de)(de)(de)(de)工(gong)業(ye)結(jie)構(gou)件中(zhong)(zhong),高品質(zhi)鋁合(he)金產品中(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)典型(xing)代(dai)(dai)表。目前,國內生產無縫(feng)(feng)(feng)方管(guan)的(de)(de)(de)(de)(de)(de)(de)廠家主(zhu)要集中(zhong)(zhong)在(zai)(zai)(zai)一(yi)些規模較大、實(shi)力較強的(de)(de)(de)(de)(de)(de)(de)大型(xing)企業(ye)中(zhong)(zhong),大型(xing)企業(ye)的(de)(de)(de)(de)(de)(de)(de)無縫(feng)(feng)(feng)方管(guan)整體(ti)上(shang)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)更為(wei)(wei),可(ke)靠,無論是(shi)(shi)生產工(gong)藝,還是(shi)(shi)質(zhi)保,都(dou)能(neng)(neng)(neng)使采購(gou)企業(ye)的(de)(de)(de)(de)(de)(de)(de)服務保障(zhang)。無縫(feng)(feng)(feng)方管(guan)主(zhu)要合(he)金元素為(wei)(wei)鎂及(ji)硅,具有(you)加(jia)工(gong)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng),優良(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)可(ke)焊性(xing)(xing)(xing)(xing),擠(ji)出(chu)性(xing)(xing)(xing)(xing)及(ji)電(dian)(dian)(dian)鍍性(xing)(xing)(xing)(xing),良(liang)(liang)(liang)(liang)好(hao)的(de)(de)(de)(de)(de)(de)(de)抗腐蝕(shi)性(xing)(xing)(xing)(xing),韌性(xing)(xing)(xing)(xing),易于(yu)(yu)拋光,上(shang)包(bao)膜,陽極氧化(hua)效果(guo)優良(liang)(liang)(liang)(liang),典型(xing)的(de)(de)(de)(de)(de)(de)(de)擠(ji)出(chu)合(he)金,廣泛應(ying)(ying)(ying)(ying)用于(yu)(yu)建(jian)筑(zhu)型(xing)材(cai),灌(guan)溉管(guan)材(cai),供車(che)輛(liang),臺架,家具,升降機,柵欄等用的(de)(de)(de)(de)(de)(de)(de)管(guan),棒,型(xing)材(cai)。若含有(you)一(yi)定量的(de)(de)(de)(de)(de)(de)(de)錳和鉻(ge),可(ke)以中(zhong)(zhong)和鐵的(de)(de)(de)(de)(de)(de)(de)壞(huai)作用;有(you)時(shi)還添加(jia)少量的(de)(de)(de)(de)(de)(de)(de)銅或鋅,以合(he)金的(de)(de)(de)(de)(de)(de)(de)強度(du),而又(you)不使其(qi)抗蝕(shi)性(xing)(xing)(xing)(xing)有(you)明顯;導(dao)電(dian)(dian)(dian)材(cai)料中(zhong)(zhong)還有(you)少量的(de)(de)(de)(de)(de)(de)(de)銅,以抵(di)消鈦及(ji)鐵對導(dao)電(dian)(dian)(dian)性(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)不良(liang)(liang)(liang)(liang)影(ying)(ying)響(xiang);鋯或者鈦能(neng)(neng)(neng)細化(hua)晶粒(li)與控制(zhi)再(zai)結(jie)晶組織(zhi);為(wei)(wei)了可(ke)切削(xue)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng),可(ke)加(jia)入鉛與鉍。無縫(feng)(feng)(feng)方管(guan)導(dao)電(dian)(dian)(dian)不良(liang)(liang)(liang)(liang)影(ying)(ying)響(xiang) 對超薄無縫(feng)(feng)(feng)方管(guan)采用電(dian)(dian)(dian)容儲能(neng)(neng)(neng)焊是(shi)(shi)否合(he)理(li),本了實(shi)驗研究。進(jin)行(xing)熱(re)成(cheng)形(xing)處理(li)時(shi).應(ying)(ying)(ying)(ying)在(zai)(zai)(zai)1750°F2250°F溫(wen)(wen)(wen)度(du)范圍(wei)內進(jin)行(xing),無縫(feng)(feng)(feng)方管(guan)合(he)金在(zai)(zai)(zai)此(ci)溫(wen)(wen)(wen)度(du)下非(fei)(fei)常。如(ru)果(guo)溫(wen)(wen)(wen)度(du)過高,2205合(he)金易于(yu)(yu)熱(re)。如(ru)果(guo)低于(yu)(yu)此(ci)溫(wen)(wen)(wen)度(du),奧氏體(ti)就會(hui)發生斷裂。低于(yu)(yu)1700°F時(shi),由于(yu)(yu)溫(wen)(wen)(wen)度(du)和形(xing)變的(de)(de)(de)(de)(de)(de)(de)影(ying)(ying)響(xiang),金屬(shu)間相會(hui)很快形(xing)成(cheng)。熱(re)成(cheng)形(xing)進(jin)行(xing)完后(hou),應(ying)(ying)(ying)(ying)整個工(gong)件應(ying)(ying)(ying)(ying)整體(ti)受熱(re),建(jian)議成(cheng)形(xing)應(ying)(ying)(ying)(ying)盡量在(zai)(zai)(zai)600°F溫(wen)(wen)(wen)度(du)以下進(jin)行(xing)。進(jin)行(xing)熱(re)成(cheng)形(xing)處理(li)時(shi).應(ying)(ying)(ying)(ying)在(zai)(zai)(zai)1750°F2250°F溫(wen)(wen)(wen)度(du)范圍(wei)內進(jin)行(xing),2205合(he)金在(zai)(zai)(zai)此(ci)溫(wen)(wen)(wen)度(du)下非(fei)(fei)常。
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