熱鍍鋅方管和冷鍍鋅方管的區別
鍍(du)鋅(xin)(xin)(xin)(xin)方(fang)(fang)(fang)管是(shi)(shi)一種(zhong)具以(yi)熱軋或(huo)冷(leng)軋鍍(du)鋅(xin)(xin)(xin)(xin)帶(dai)鋼或(huo)鍍(du)鋅(xin)(xin)(xin)(xin)卷板(ban)為坯(pi)料(liao)經(jing)冷(leng)彎(wan)曲加工(gong)(gong)成(cheng)(cheng)型后再經(jing)高頻焊接制成(cheng)(cheng)的(de)方(fang)(fang)(fang)形(xing)(xing)截面形(xing)(xing)狀尺寸的(de)空(kong)心方(fang)(fang)(fang)形(xing)(xing)的(de)截面型鋼鋼管，或(huo)將事(shi)先做好的(de)冷(leng)彎(wan)空(kong)心型鋼管再經(jing)熱浸鍍(du)鋅(xin)(xin)(xin)(xin)加工(gong)(gong)而成(cheng)(cheng)的(de)鍍(du)鋅(xin)(xin)(xin)(xin)方(fang)(fang)(fang)矩(ju)管。鍍(du)鋅(xin)(xin)(xin)(xin)方(fang)(fang)(fang)管從生產(chan)工(gong)(gong)藝上是(shi)(shi)分(fen)為熱鍍(du)鋅(xin)(xin)(xin)(xin)方(fang)(fang)(fang)管和(he)冷(leng)鍍(du)鋅(xin)(xin)(xin)(xin)方(fang)(fang)(fang)管的(de)。正是(shi)(shi)由(you)于這兩(liang)種(zhong)鍍(du)鋅(xin)(xin)(xin)(xin)方(fang)(fang)(fang)管的(de)加工(gong)(gong)不相同(tong)也就造(zao)就了它們很多不同(tong)
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