因為在(zai)無(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)表(biao)現(xian)，有著一(yi)層(ceng)(ceng)保(bao)護鍍鋅層(ceng)(ceng)。這(zhe)可(ke)以(yi)杜絕，管(guan)(guan)(guan)(guan)(guan)(guan)道與(yu)氧氣以(yi)及水分接觸。當缺少了(le)這(zhe)兩(liang)個，氧化反必要(yao)條件之(zhi)后(hou)。管(guan)(guan)(guan)(guan)(guan)(guan)道想要(yao)生(sheng)(sheng)銹，就幾乎是(shi)(shi)(shi)不(bu)可(ke)能了(le)。而且普通鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，自身硬度(du)比(bi)較(jiao)(jiao)高，但(dan)人形(xing)比(bi)較(jiao)(jiao)差。 　　因此在(zai)建造過程中(zhong)(zhong)(zhong)，往往需要(yao)進(jin)過很多道程序，這(zhe)無(wu)疑是(shi)(shi)(shi)增(zeng)(zeng)加了(le)，不(bu)少施工(gong)時(shi)間。但(dan)無(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)不(bu)同(tong)(tong)，這(zhe)種(zhong)管(guan)(guan)(guan)(guan)(guan)(guan)道采(cai)是(shi)(shi)(shi)冷拔(ba)熱(re)軋(ya)(ya)工(gong)藝，這(zhe)使得鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，在(zai)韌性方面(mian)非常(chang)色。這(zhe)些(xie)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)在(zai)加工(gong)過程中(zhong)(zhong)(zhong)，根(gen)本(ben)不(bu)加入，一(yi)些(xie)保(bao)護鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)措施，就可(ke)以(yi)進(jin)行加工(gong)。 　　我們(men)常(chang)說(shuo)熱(re)擴鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)指是(shi)(shi)(shi)密(mi)度(du)比(bi)較(jiao)(jiao)低但(dan)是(shi)(shi)(shi)收縮很強(qiang)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，(無(wu)縫(feng)化鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan))都可(ke)以(yi)簡(jian)稱為熱(re)擴管(guan)(guan)(guan)(guan)(guan)(guan)。斜軋(ya)(ya)法或(huo)拉(la)拔(ba)法擴大管(guan)(guan)(guan)(guan)(guan)(guan)材(cai)直一(yi)種(zhong)荒(huang)管(guan)(guan)(guan)(guan)(guan)(guan)精(jing)軋(ya)(ya)工(gong)序。在(zai)較(jiao)(jiao)短時(shi)間內使鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)增(zeng)(zeng)粗，可(ke)生(sheng)(sheng)產(chan)非標(biao)(biao)，特(te)殊(shu) 無(wu)縫(feng)管(guan)(guan)(guan)(guan)(guan)(guan)，且成本(ben)低，生(sheng)(sheng)產(chan)效(xiao)率(lv)高，是(shi)(shi)(shi)目(mu)前軋(ya)(ya)管(guan)(guan)(guan)(guan)(guan)(guan)領域發展(zhan)趨勢。 　　但(dan)無(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)不(bu)同(tong)(tong)，無(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)退火(huo)，采(cai)是(shi)(shi)(shi)酸(suan)性液體。也(ye)就是(shi)(shi)(shi)說(shuo)當無(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，基(ji)本(ben)成之(zhi)后(hou)，會(hui)放入到(dao)酸(suan)性液體中(zhong)(zhong)(zhong)進(jin)行酸(suan)洗(xi)。如果在(zai)酸(suan)洗(xi)過程中(zhong)(zhong)(zhong)，鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)表(biao)面(mian)現(xian)了(le)大量氣泡。那么(me)這(zhe)證明，鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)質量，達不(bu)到(dao)相標(biao)(biao)準。而這(zhe)樣一(yi)些(xie)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，也(ye)不(bu)會(hui)現(xian)在(zai)市場中(zhong)(zhong)(zhong)。

<鎮江>萬盛達鋼鐵有限公司堅持創新、誠信守約，是鎮江市級科技創新示范企業并連續多年被評為信用企業和消費者滿意單位，目前已與國內外多家客戶建立了長期合作關系，成為他們在中國的優質鎮江Q355B矩形管供應商. “實力鑄就品牌，誠信諦造未來”，精心做事，誠信待人，歡迎廣大客戶隨時撥打全國統一客服熱線，我們期待與您合作，共創美好明天。