無(wu)(wu)(wu)(wu)縫(feng)(feng)不(bu)(bu)(bu)(bu)銹鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)耐(nai)腐蝕性(xing)和耐(nai)溫性(xing)在于鉻(ge)，但因(yin)為鉻(ge)是鋼(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)(de)(de)(de)構(gou)成部(bu)分(fen)(fen)之一(yi)(yi)，因(yin)而高(gao)(gao)溫304無(wu)(wu)(wu)(wu)縫(feng)(feng)拼接(jie)不(bu)(bu)(bu)(bu)銹鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)維護方式也各有不(bu)(bu)(bu)(bu)同。當鉻(ge)的(de)(de)(de)(de)(de)(de)(de)加(jia)上(shang)量做到10.5%時(shi)，鋼(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)(de)(de)(de)耐(nai)腐蝕性(xing)，但鉻(ge)成分(fen)(fen)較高(gao)(gao)，但仍(reng)可(ke) 耐(nai)腐蝕性(xing)，但不(bu)(bu)(bu)(bu)顯著。緣故是用(yong)(yong)(yong)(yong)鎳鐵(tie)合(he)金(jin)解決(jue)的(de)(de)(de)(de)(de)(de)(de)鋼(gang)(gang)(gang)(gang)(gang)，耐(nai)熱304無(wu)(wu)(wu)(wu)縫(feng)(feng)拼接(jie)不(bu)(bu)(bu)(bu)銹鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)表(biao)(biao)面(mian)(mian)(mian)(mian)被氧(yang)(yang)化(hua)成類似純金(jin)屬鉻(ge)表(biao)(biao)面(mian)(mian)(mian)(mian)上(shang)產生(sheng)的(de)(de)(de)(de)(de)(de)(de)金(jin)屬氧(yang)(yang)化(hua)物。  這類密切(qie)黏(nian)附的(de)(de)(de)(de)(de)(de)(de)氧(yang)(yang)化(hua)鉻(ge)維護表(biao)(biao)面(mian)(mian)(mian)(mian)可(ke)免(mian)于進一(yi)(yi)步空(kong)氣(qi)氧(yang)(yang)化(hua)。空(kong)氣(qi)氧(yang)(yang)化(hua)層十分(fen)(fen)薄，根據(ju)它能(neng)(neng)夠 見(jian)到鋼(gang)(gang)(gang)(gang)(gang)表(biao)(biao)面(mian)(mian)(mian)(mian)的(de)(de)(de)(de)(de)(de)(de)當然(ran)光(guang)澤度，促使(shi)表(biao)(biao)面(mian)(mian)(mian)(mian)的(de)(de)(de)(de)(de)(de)(de)高(gao)(gao)溫不(bu)(bu)(bu)(bu)銹鋼(gang)(gang)(gang)(gang)(gang)焊接(jie)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)。并且，假如損傷表(biao)(biao)面(mian)(mian)(mian)(mian)，耐(nai)熱304不(bu)(bu)(bu)(bu)銹鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)露(lu)出鋼(gang)(gang)(gang)(gang)(gang)表(biao)(biao)面(mian)(mian)(mian)(mian)與空(kong)氣(qi)反映自主修補，產生(sheng)“膜”并再次具有維護功效。 不(bu)(bu)(bu)(bu)銹鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)主要(yao)(yao)(yao)用(yong)(yong)(yong)(yong)途很普遍，一(yi)(yi)般主要(yao)(yao)(yao)用(yong)(yong)(yong)(yong)途的(de)(de)(de)(de)(de)(de)(de)無(wu)(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)由一(yi)(yi)般的(de)(de)(de)(de)(de)(de)(de)碳素(su)鋼(gang)(gang)(gang)(gang)(gang)、低合(he)金(jin)工(gong)(gong)具鋼(gang)(gang)(gang)(gang)(gang)或合(he)金(jin)工(gong)(gong)具鋼(gang)(gang)(gang)(gang)(gang)冷軋，關(guan)鍵作(zuo)為運(yun)輸液體(ti)的(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)路或構(gou)造零(ling)件。不(bu)(bu)(bu)(bu)銹鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)依據(ju)主要(yao)(yao)(yao)用(yong)(yong)(yong)(yong)途不(bu)(bu)(bu)(bu)一(yi)(yi)樣分(fen)(fen)三類供(gong)應(ying)(ying)(ying)：按成分(fen)(fen)和物理性(xing)能(neng)(neng)供(gong)應(ying)(ying)(ying)。按物理性(xing)能(neng)(neng)供(gong)應(ying)(ying)(ying)按打壓(ya)試驗(yan)供(gong)應(ying)(ying)(ying)。按a、b類供(gong)應(ying)(ying)(ying)的(de)(de)(de)(de)(de)(de)(de)無(wu)(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，如用(yong)(yong)(yong)(yong)以(yi)承(cheng)擔液體(ti)壓(ya)力，還要(yao)(yao)(yao)開展打壓(ya)試驗(yan)。  專業主要(yao)(yao)(yao)用(yong)(yong)(yong)(yong)途的(de)(de)(de)(de)(de)(de)(de)無(wu)(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)有加(jia)熱爐(lu)用(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)、化(hua)工(gong)(gong)廠電力工(gong)(gong)程(cheng)用(yong)(yong)(yong)(yong)，地質環境用(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)及(ji)石油用(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)等多(duo)種多(duo)樣。無(wu)(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)具備空(kong)心橫截面(mian)(mian)(mian)(mian)，很多(duo)作(zuo)為運(yun)輸液體(ti)的(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)路，如運(yun)輸石油、燃氣(qi)、液化(hua)氣(qi)、水及(ji)一(yi)(yi)些固態原(yuan)材料(liao)(liao)的(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)路等。無(wu)(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)與園鋼(gang)(gang)(gang)(gang)(gang)等實芯不(bu)(bu)(bu)(bu)銹鋼(gang)(gang)(gang)(gang)(gang)板材對比(bi)，在抗彎強度抗扭(niu)抗壓(ya)強度同樣時(shi)，凈重比(bi)較輕，是一(yi)(yi)種經(jing)濟發展橫截面(mian)(mian)(mian)(mian)不(bu)(bu)(bu)(bu)銹鋼(gang)(gang)(gang)(gang)(gang)板材。  普遍用(yong)(yong)(yong)(yong)以(yi)生(sheng)產制造零(ling)部(bu)件和機械零(ling)件，如石油鉆具、傳動(dong)軸、自行車(che)車(che)架(jia)及(ji)其建筑工(gong)(gong)程(cheng)施(shi)工(gong)(gong)選用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)鋼(gang)(gang)(gang)(gang)(gang)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)腳(jiao)手架(jia)等用(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)生(sheng)產制造環狀(zhuang)零(ling)件，可(ke) 原(yuan)材料(liao)(liao)使(shi)用(yong)(yong)(yong)(yong)率，簡(jian)單(dan)化(hua)生(sheng)產制造工(gong)(gong)藝(yi)流程(cheng)，節省原(yuan)材料(liao)(liao)和生(sheng)產加(jia)工(gong)(gong)施(shi)工(gong)(gong)時(shi)間，已普遍用(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)來(lai)生(sheng)產制造。