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。 鍍鋅管廠家普及專業(ye)鋼管(guan)知識(shi) 3.普通碳素鋼電線(xian)套管(guan)（GB3640-88）是工(gong)(gong)業(ye)與民用(yong)(yong)建筑、安裝機器設備(bei)等(deng)電氣安裝工(gong)(gong)程中用(yong)(yong)于保護(hu) 電線(xian)的(de)鋼管(guan)。?

 4.直縫(feng)(feng)電焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（YB242-63）是(shi)(shi)焊(han)(han)(han)(han)縫(feng)(feng)與鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)縱向平行的(de)(de)(de)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。通常(chang)(chang)分為(wei)公制(zhi)(zhi)電焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、電焊(han)(han)(han)(han)薄壁管(guan)(guan)(guan)(guan)(guan)、變(bian)壓器(qi)冷卻(que)油管(guan)(guan)(guan)(guan)(guan)等(deng)(deng)等(deng)(deng)。 5.承(cheng)壓流(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)埋(mai)弧(hu)焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（SY5036-83）是(shi)(shi)以(yi)熱(re)(re)軋(ya)鋼(gang)(gang)(gang)(gang)帶(dai)卷(juan)(juan)作(zuo)管(guan)(guan)(guan)(guan)(guan)坯，經常(chang)(chang)溫(wen)(wen)螺(luo)(luo)(luo)旋(xuan)(xuan)成(cheng)型(xing)(xing)，用(yong)(yong)(yong)(yong)(yong)(yong)雙面埋(mai)弧(hu)焊(han)(han)(han)(han)法焊(han)(han)(han)(han)接(jie)(jie)，用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)承(cheng)壓流(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)(shu)(shu)送(song)(song)的(de)(de)(de)螺(luo)(luo)(luo)旋(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)口徑大，輸(shu)(shu)(shu)(shu)(shu)送(song)(song)效率高(gao)(gao)，并(bing)可節約鋪設管(guan)(guan)(guan)(guan)(guan)線的(de)(de)(de)投資(zi)。主要用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)輸(shu)(shu)(shu)(shu)(shu)送(song)(song)石(shi)油、天然氣的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)線。 6.承(cheng)壓流(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)高(gao)(gao)頻焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（SY5038-83）是(shi)(shi)以(yi)熱(re)(re)軋(ya)鋼(gang)(gang)(gang)(gang)帶(dai)卷(juan)(juan)作(zuo)管(guan)(guan)(guan)(guan)(guan)坯，經常(chang)(chang)溫(wen)(wen)螺(luo)(luo)(luo)旋(xuan)(xuan)成(cheng)型(xing)(xing)，采(cai) 用(yong)(yong)(yong)(yong)(yong)(yong)高(gao)(gao)頻搭接(jie)(jie)焊(han)(han)(han)(han)法焊(han)(han)(han)(han)接(jie)(jie)的(de)(de)(de)，用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)承(cheng)壓流(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)(shu)(shu)送(song)(song)的(de)(de)(de)螺(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)高(gao)(gao)頻焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)口徑大，輸(shu)(shu)(shu)(shu)(shu)送(song)(song)效率高(gao)(gao)，并(bing)可節省鋪設管(guan)(guan)(guan)(guan)(guan)線的(de)(de)(de)投資(zi)。主要用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)鋪設輸(shu)(shu)(shu)(shu)(shu)送(song)(song)石(shi)油、天然氣等(deng)(deng)的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)線。? 7.一(yi)般(ban)低壓流(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)埋(mai)弧(hu)焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（SY5037-83）是(shi)(shi)以(yi)熱(re)(re)軋(ya)鋼(gang)(gang)(gang)(gang)帶(dai)卷(juan)(juan)作(zuo)管(guan)(guan)(guan)(guan)(guan)坯，經常(chang)(chang)溫(wen)(wen)螺(luo)(luo)(luo)旋(xuan)(xuan)成(cheng)型(xing)(xing)，采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)雙面自(zi)動埋(mai)弧(hu)焊(han)(han)(han)(han)或單面焊(han)(han)(han)(han)法制(zhi)(zhi)成(cheng)的(de)(de)(de)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)水(shui)、煤氣、空(kong)氣和蒸汽等(deng)(deng)一(yi)般(ban)低壓流(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)埋(mai)弧(hu)焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。 8.一(yi)般(ban)低壓流(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)高(gao)(gao)頻焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（SY5039-83）是(shi)(shi)以(yi)熱(re)(re)軋(ya)鋼(gang)(gang)(gang)(gang)帶(dai)卷(juan)(juan)作(zuo)管(guan)(guan)(guan)(guan)(guan)坯，經常(chang)(chang)溫(wen)(wen)螺(luo)(luo)(luo)旋(xuan)(xuan)成(cheng)型(xing)(xing)， 采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)高(gao)(gao)頻搭接(jie)(jie)焊(han)(han)(han)(han)法焊(han)(han)(han)(han)接(jie)(jie)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)一(yi)般(ban)低壓流(liu)體(ti)(ti)(ti)輸(shu)(shu)(shu)(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)高(gao)(gao)頻焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。? 9．樁用(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)(xuan)焊(han)(han)(han)(han)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)（SY5040-83）是(shi)(shi)以(yi)熱(re)(re)軋(ya)鋼(gang)(gang)(gang)(gang)帶(dai)卷(juan)(juan)作(zuo)管(guan)(guan)(guan)(guan)(guan)坯，經常(chang)(chang)溫(wen)(wen)螺(luo)(luo)(luo)旋(xuan)(xuan)成(cheng)型(xing)(xing)，采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)雙面埋(mai)弧(hu)焊(han)(han)(han)(han)接(jie)(jie) 或高(gao)(gao)頻焊(han)(han)(han)(han)接(jie)(jie)制(zhi)(zhi)成(cheng)的(de)(de)(de)，用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)土(tu)木建筑(zhu)結(jie)構、碼頭、橋梁等(deng)(deng)基礎樁用(yong)(yong)(yong)(yong)(yong)(yong)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)