熱鍍鋅方管和冷鍍鋅方管的區別
鍍(du)鋅(xin)(xin)(xin)方(fang)管(guan)(guan)(guan)(guan)是(shi)(shi)一種具以熱軋或冷(leng)軋鍍(du)鋅(xin)(xin)(xin)帶(dai)鋼或鍍(du)鋅(xin)(xin)(xin)卷板為坯料經冷(leng)彎曲加工(gong)(gong)成(cheng)型后再經高頻(pin)焊接(jie)制成(cheng)的(de)(de)(de)方(fang)形(xing)截面形(xing)狀(zhuang)尺寸的(de)(de)(de)空(kong)心方(fang)形(xing)的(de)(de)(de)截面型鋼鋼管(guan)(guan)(guan)(guan)，或將事先做(zuo)好的(de)(de)(de)冷(leng)彎空(kong)心型鋼管(guan)(guan)(guan)(guan)再經熱浸(jin)鍍(du)鋅(xin)(xin)(xin)加工(gong)(gong)而成(cheng)的(de)(de)(de)鍍(du)鋅(xin)(xin)(xin)方(fang)矩管(guan)(guan)(guan)(guan)。鍍(du)鋅(xin)(xin)(xin)方(fang)管(guan)(guan)(guan)(guan)從生產工(gong)(gong)藝(yi)上是(shi)(shi)分為熱鍍(du)鋅(xin)(xin)(xin)方(fang)管(guan)(guan)(guan)(guan)和冷(leng)鍍(du)鋅(xin)(xin)(xin)方(fang)管(guan)(guan)(guan)(guan)的(de)(de)(de)。正是(shi)(shi)由于這(zhe)兩(liang)種鍍(du)鋅(xin)(xin)(xin)方(fang)管(guan)(guan)(guan)(guan)的(de)(de)(de)加工(gong)(gong)不(bu)相同也(ye)就造(zao)就了它們很多不(bu)同
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