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鋼(gang)管知識(shi) 3.普通碳(tan)素鋼(gang)電線(xian)套管（GB3640-88）是工業與民用(yong)建筑(zhu)、安(an)裝機器設備等電氣(qi)安(an)裝工程中用(yong)于保護 電線(xian)的(de)鋼(gang)管。?

 4.直縫(feng)(feng)(feng)電(dian)焊(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)（YB242-63）是(shi)(shi)焊(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)與(yu)鋼(gang)(gang)管(guan)(guan)(guan)(guan)縱(zong)向平行的(de)(de)鋼(gang)(gang)管(guan)(guan)(guan)(guan)。通常分為(wei)公制電(dian)焊(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)、電(dian)焊(han)(han)(han)(han)(han)(han)薄(bo)壁管(guan)(guan)(guan)(guan)、變壓(ya)器(qi)冷卻油管(guan)(guan)(guan)(guan)等(deng)等(deng)。 5.承壓(ya)流(liu)體(ti)(ti)輸(shu)送(song)(song)(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)埋(mai)(mai)弧(hu)焊(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)（SY5036-83）是(shi)(shi)以(yi)熱軋(ya)(ya)鋼(gang)(gang)帶(dai)(dai)卷作管(guan)(guan)(guan)(guan)坯，經(jing)常溫螺(luo)(luo)旋(xuan)(xuan)成(cheng)(cheng)(cheng)型，用(yong)(yong)(yong)(yong)(yong)(yong)(yong)雙面(mian)埋(mai)(mai)弧(hu)焊(han)(han)(han)(han)(han)(han)法(fa)焊(han)(han)(han)(han)(han)(han)接，用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)承壓(ya)流(liu)體(ti)(ti)輸(shu)送(song)(song)(song)(song)的(de)(de)螺(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)。鋼(gang)(gang)管(guan)(guan)(guan)(guan)口徑(jing)大(da)，輸(shu)送(song)(song)(song)(song)效(xiao)率(lv)高(gao)(gao)，并(bing)可節(jie)約鋪設管(guan)(guan)(guan)(guan)線(xian)的(de)(de)投資。主(zhu)要用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)輸(shu)送(song)(song)(song)(song)石油、天然(ran)氣(qi)(qi)的(de)(de)管(guan)(guan)(guan)(guan)線(xian)。 6.承壓(ya)流(liu)體(ti)(ti)輸(shu)送(song)(song)(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)焊(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)（SY5038-83）是(shi)(shi)以(yi)熱軋(ya)(ya)鋼(gang)(gang)帶(dai)(dai)卷作管(guan)(guan)(guan)(guan)坯，經(jing)常溫螺(luo)(luo)旋(xuan)(xuan)成(cheng)(cheng)(cheng)型，采 用(yong)(yong)(yong)(yong)(yong)(yong)(yong)高(gao)(gao)頻(pin)(pin)搭接焊(han)(han)(han)(han)(han)(han)法(fa)焊(han)(han)(han)(han)(han)(han)接的(de)(de)，用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)承壓(ya)流(liu)體(ti)(ti)輸(shu)送(song)(song)(song)(song)的(de)(de)螺(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)焊(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)。鋼(gang)(gang)管(guan)(guan)(guan)(guan)口徑(jing)大(da)，輸(shu)送(song)(song)(song)(song)效(xiao)率(lv)高(gao)(gao)，并(bing)可節(jie)省(sheng)鋪設管(guan)(guan)(guan)(guan)線(xian)的(de)(de)投資。主(zhu)要用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)鋪設輸(shu)送(song)(song)(song)(song)石油、天然(ran)氣(qi)(qi)等(deng)的(de)(de)管(guan)(guan)(guan)(guan)線(xian)。? 7.一般低壓(ya)流(liu)體(ti)(ti)輸(shu)送(song)(song)(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)埋(mai)(mai)弧(hu)焊(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)（SY5037-83）是(shi)(shi)以(yi)熱軋(ya)(ya)鋼(gang)(gang)帶(dai)(dai)卷作管(guan)(guan)(guan)(guan)坯，經(jing)常溫螺(luo)(luo)旋(xuan)(xuan)成(cheng)(cheng)(cheng)型，采用(yong)(yong)(yong)(yong)(yong)(yong)(yong)雙面(mian)自動埋(mai)(mai)弧(hu)焊(han)(han)(han)(han)(han)(han)或單(dan)面(mian)焊(han)(han)(han)(han)(han)(han)法(fa)制成(cheng)(cheng)(cheng)的(de)(de)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)水、煤氣(qi)(qi)、空氣(qi)(qi)和(he)蒸汽(qi)等(deng)一般低壓(ya)流(liu)體(ti)(ti)輸(shu)送(song)(song)(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)埋(mai)(mai)弧(hu)焊(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)。 8.一般低壓(ya)流(liu)體(ti)(ti)輸(shu)送(song)(song)(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)焊(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)（SY5039-83）是(shi)(shi)以(yi)熱軋(ya)(ya)鋼(gang)(gang)帶(dai)(dai)卷作管(guan)(guan)(guan)(guan)坯，經(jing)常溫螺(luo)(luo)旋(xuan)(xuan)成(cheng)(cheng)(cheng)型， 采用(yong)(yong)(yong)(yong)(yong)(yong)(yong)高(gao)(gao)頻(pin)(pin)搭接焊(han)(han)(han)(han)(han)(han)法(fa)焊(han)(han)(han)(han)(han)(han)接用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)一般低壓(ya)流(liu)體(ti)(ti)輸(shu)送(song)(song)(song)(song)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)焊(han)(han)(han)(han)(han)(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)。? 9．樁(zhuang)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)螺(luo)(luo)旋(xuan)(xuan)焊(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)（SY5040-83）是(shi)(shi)以(yi)熱軋(ya)(ya)鋼(gang)(gang)帶(dai)(dai)卷作管(guan)(guan)(guan)(guan)坯，經(jing)常溫螺(luo)(luo)旋(xuan)(xuan)成(cheng)(cheng)(cheng)型，采用(yong)(yong)(yong)(yong)(yong)(yong)(yong)雙面(mian)埋(mai)(mai)弧(hu)焊(han)(han)(han)(han)(han)(han)接 或高(gao)(gao)頻(pin)(pin)焊(han)(han)(han)(han)(han)(han)接制成(cheng)(cheng)(cheng)的(de)(de)，用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)土木建(jian)筑結構、碼頭、橋梁等(deng)基礎樁(zhuang)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)鋼(gang)(gang)管(guan)(guan)(guan)(guan)