鍍鋅管和普(pu)通鋼(gang)管是在生產工(gong)藝(yi)(yi)和材(cai)料特點上存在區別(bie)(bie)的兩種產品。下面將從原材(cai)料、加(jia)工(gong)工(gong)藝(yi)(yi)、表面處(chu)理、用(yong)途等方(fang)面,分析(xi)鍍鋅(xin)管與普(pu)通鋼(gang)管之(zhi)間的區別(bie)(bie)。
原材(cai)(cai)料:普(pu)(pu)(pu)通(tong)(tong)鋼管是(shi)由一(yi)般低碳(tan)鋼板(ban)卷(juan)制(zhi)而成,其(qi)主要(yao)成分為鐵素體(ti)結構,含有少量(liang)碳(tan)元素、錳、硅(gui)等雜質。而鍍(du)鋅管則是(shi)在普(pu)(pu)(pu)通(tong)(tong)鋼管的基礎上經(jing)過熱鍍(du)鋅工藝處理,表面覆蓋一(yi)層鋅材(cai)(cai)料。因此,鍍(du)鋅管的原材(cai)(cai)料是(shi)普(pu)(pu)(pu)通(tong)(tong)鋼管,但鍍(du)鋅管具有比普(pu)(pu)(pu)通(tong)(tong)鋼管更好的防腐性能。
加工(gong)(gong)工(gong)(gong)藝:普(pu)通(tong)(tong)(tong)鋼(gang)管(guan)(guan)(guan)的加工(gong)(gong)過(guo)程相對簡(jian)單(dan),可以通(tong)(tong)(tong)過(guo)冷拔、冷軋、熱軋等方式加工(gong)(gong)成(cheng)(cheng)型。而鍍鋅管(guan)(guan)(guan)則(ze)需要在普(pu)通(tong)(tong)(tong)鋼(gang)管(guan)(guan)(guan)成(cheng)(cheng)品上(shang)進行熱鍍鋅的處理(li),將鋅涂層附(fu)著在鋼(gang)管(guan)(guan)(guan)表面。這個工(gong)(gong)藝既耗費時間、又增加了成(cheng)(cheng)本(ben),但(dan)提高(gao)了材料的抗(kang)腐蝕性能(neng),因此鍍鋅管(guan)(guan)(guan)通(tong)(tong)(tong)常比普(pu)通(tong)(tong)(tong)鋼(gang)管(guan)(guan)(guan)價格(ge)更高(gao)。
表面(mian)(mian)處(chu)理:普(pu)通鋼管(guan)的表面(mian)(mian)沒(mei)有(you)任何處(chu)理,不具備(bei)抗腐蝕(shi)性(xing)能(neng)。而(er)鍍鋅管(guan)經過熱鍍鋅工(gong)藝,表面(mian)(mian)覆蓋(gai)一層(ceng)(ceng)厚度為20-80μm的鋅層(ceng)(ceng),鋅層(ceng)(ceng)可以有(you)效(xiao)防(fang)止鋼管(guan)受(shou)到因(yin)水、空氣等環境因(yin)素(su)而(er)產生的腐蝕(shi)作用,從(cong)而(er)提高了使用壽命。
用途:普通鋼管(guan)主(zhu)要用于輸(shu)送流體和氣體等(deng)一(yi)般用途,如(ru)自(zi)來水、天(tian)然氣、油氣等(deng),也(ye)用于建(jian)筑、機械制(zhi)造、汽(qi)車制(zhi)造、航空(kong)航天(tian)等(deng)領域。而鍍鋅管(guan)則更適用于一(yi)些有腐蝕風險(xian)的(de)場合,例(li)如(ru)建(jian)筑物的(de)雨水排放(fang)管(guan)道(dao)、沿海地(di)區的(de)海水輸(shu)送管(guan)道(dao)、化(hua)工廠廢水排放(fang)管(guan)道(dao)等(deng)。
綜上(shang)所述(shu),鍍鋅管與普通鋼管之間主要存在以(yi)(yi)下幾個方面的(de)區別(bie):材料成分和(he)表(biao)面處理、加工工藝、抗腐蝕性能(neng)、用途范圍和(he)市場價格等。在實際應用中,可以(yi)(yi)根據具體需(xu)求來選擇相應的(de)產品,以(yi)(yi)達到(dao)使用效果。