按生產方法分類：工藝分類-電弧焊管，電阻焊管，（高頻，低頻）氣焊管，爐焊管。 一般較小口徑用直縫焊，大口徑用螺旋焊? 1.低壓流體輸送用焊接鋼管（GB/T3092-1993）也稱一般焊管，俗稱黑管。 ?鋼管接壁厚分為普通鋼管和加厚鋼管；? ?接管端形式分為不帶螺紋鋼管（光管）和帶螺紋鋼管。? ?鋼管的規格用公稱口徑（mm）表示，公稱口徑是內徑的近似值。習慣上常用英寸表示，如11/2?等。 ?低壓流體輸送用焊接鋼管除直接用于輸送流體外，還大量用作低壓流體輸送用鍍鋅焊接鋼管的原管。 ?低壓流體輸送用鍍鋅焊接鋼管（GB/T3091-1993）也稱鍍鋅電焊鋼管，俗稱白管。 ?鋼管接壁厚分為普通鍍鋅鋼管和加厚鍍鋅鋼管；? ?接管端形式分為不帶螺紋鍍鋅鋼管和帶螺紋鍍鋅鋼管。? ?鋼管的規格用公稱口徑（mm）表示，公稱口徑是內徑的近似值。習慣上常用英寸表示，如11/2?等。 鍍鋅管廠家普(pu)及專業鋼(gang)管(guan)(guan)知識 3.普(pu)通(tong)碳(tan)素鋼(gang)電(dian)線(xian)套管(guan)(guan)（GB3640-88）是(shi)工業與民用建筑、安(an)裝(zhuang)機器(qi)設備(bei)等電(dian)氣安(an)裝(zhuang)工程中(zhong)用于保護(hu) 電(dian)線(xian)的(de)鋼(gang)管(guan)(guan)。?

 4.直縫(feng)(feng)電(dian)焊(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（YB242-63）是(shi)(shi)焊(han)縫(feng)(feng)與鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)縱向平行的(de)(de)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。通(tong)常(chang)(chang)分為公制(zhi)(zhi)電(dian)焊(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、電(dian)焊(han)薄壁管(guan)(guan)(guan)(guan)(guan)、變壓(ya)器冷卻(que)油管(guan)(guan)(guan)(guan)(guan)等(deng)(deng)等(deng)(deng)。 5.承壓(ya)流(liu)(liu)(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)埋(mai)弧(hu)(hu)(hu)焊(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（SY5036-83）是(shi)(shi)以(yi)(yi)熱(re)軋(ya)鋼(gang)(gang)(gang)(gang)帶(dai)卷(juan)(juan)(juan)作(zuo)管(guan)(guan)(guan)(guan)(guan)坯(pi)(pi)(pi)，經常(chang)(chang)溫(wen)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)成(cheng)(cheng)型(xing)，用(yong)(yong)(yong)雙(shuang)面(mian)埋(mai)弧(hu)(hu)(hu)焊(han)法(fa)焊(han)接(jie)，用(yong)(yong)(yong)于(yu)(yu)(yu)承壓(ya)流(liu)(liu)(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)送(song)(song)的(de)(de)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)口(kou)徑(jing)大(da)，輸(shu)(shu)(shu)送(song)(song)效率高(gao)(gao)(gao)，并可節(jie)約鋪(pu)設管(guan)(guan)(guan)(guan)(guan)線(xian)的(de)(de)投資(zi)。主(zhu)要(yao)用(yong)(yong)(yong)于(yu)(yu)(yu)輸(shu)(shu)(shu)送(song)(song)石(shi)油、天然(ran)氣(qi)的(de)(de)管(guan)(guan)(guan)(guan)(guan)線(xian)。 6.承壓(ya)流(liu)(liu)(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)焊(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（SY5038-83）是(shi)(shi)以(yi)(yi)熱(re)軋(ya)鋼(gang)(gang)(gang)(gang)帶(dai)卷(juan)(juan)(juan)作(zuo)管(guan)(guan)(guan)(guan)(guan)坯(pi)(pi)(pi)，經常(chang)(chang)溫(wen)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)成(cheng)(cheng)型(xing)，采 用(yong)(yong)(yong)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)搭(da)(da)接(jie)焊(han)法(fa)焊(han)接(jie)的(de)(de)，用(yong)(yong)(yong)于(yu)(yu)(yu)承壓(ya)流(liu)(liu)(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)送(song)(song)的(de)(de)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)焊(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)口(kou)徑(jing)大(da)，輸(shu)(shu)(shu)送(song)(song)效率高(gao)(gao)(gao)，并可節(jie)省鋪(pu)設管(guan)(guan)(guan)(guan)(guan)線(xian)的(de)(de)投資(zi)。主(zhu)要(yao)用(yong)(yong)(yong)于(yu)(yu)(yu)鋪(pu)設輸(shu)(shu)(shu)送(song)(song)石(shi)油、天然(ran)氣(qi)等(deng)(deng)的(de)(de)管(guan)(guan)(guan)(guan)(guan)線(xian)。? 7.一般(ban)(ban)低(di)壓(ya)流(liu)(liu)(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)埋(mai)弧(hu)(hu)(hu)焊(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（SY5037-83）是(shi)(shi)以(yi)(yi)熱(re)軋(ya)鋼(gang)(gang)(gang)(gang)帶(dai)卷(juan)(juan)(juan)作(zuo)管(guan)(guan)(guan)(guan)(guan)坯(pi)(pi)(pi)，經常(chang)(chang)溫(wen)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)成(cheng)(cheng)型(xing)，采用(yong)(yong)(yong)雙(shuang)面(mian)自動埋(mai)弧(hu)(hu)(hu)焊(han)或(huo)單面(mian)焊(han)法(fa)制(zhi)(zhi)成(cheng)(cheng)的(de)(de)用(yong)(yong)(yong)于(yu)(yu)(yu)水、煤氣(qi)、空(kong)氣(qi)和蒸汽等(deng)(deng)一般(ban)(ban)低(di)壓(ya)流(liu)(liu)(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)埋(mai)弧(hu)(hu)(hu)焊(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。 8.一般(ban)(ban)低(di)壓(ya)流(liu)(liu)(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)焊(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（SY5039-83）是(shi)(shi)以(yi)(yi)熱(re)軋(ya)鋼(gang)(gang)(gang)(gang)帶(dai)卷(juan)(juan)(juan)作(zuo)管(guan)(guan)(guan)(guan)(guan)坯(pi)(pi)(pi)，經常(chang)(chang)溫(wen)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)成(cheng)(cheng)型(xing)， 采用(yong)(yong)(yong)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)搭(da)(da)接(jie)焊(han)法(fa)焊(han)接(jie)用(yong)(yong)(yong)于(yu)(yu)(yu)一般(ban)(ban)低(di)壓(ya)流(liu)(liu)(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)焊(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。? 9．樁用(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)焊(han)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（SY5040-83）是(shi)(shi)以(yi)(yi)熱(re)軋(ya)鋼(gang)(gang)(gang)(gang)帶(dai)卷(juan)(juan)(juan)作(zuo)管(guan)(guan)(guan)(guan)(guan)坯(pi)(pi)(pi)，經常(chang)(chang)溫(wen)螺(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)成(cheng)(cheng)型(xing)，采用(yong)(yong)(yong)雙(shuang)面(mian)埋(mai)弧(hu)(hu)(hu)焊(han)接(jie) 或(huo)高(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)焊(han)接(jie)制(zhi)(zhi)成(cheng)(cheng)的(de)(de)，用(yong)(yong)(yong)于(yu)(yu)(yu)土木建(jian)筑結(jie)構、碼頭(tou)、橋梁等(deng)(deng)基礎樁用(yong)(yong)(yong)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)