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(zhi)識 3.普通碳(tan)素鋼(gang)電線套管（GB3640-88）是(shi)工(gong)(gong)業與民用建(jian)筑、安裝機(ji)器設備等電氣(qi)安裝工(gong)(gong)程中用于保護 電線的鋼(gang)管。?

 4.直(zhi)縫(feng)(feng)(feng)(feng)(feng)電焊(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)（YB242-63）是(shi)(shi)焊(han)(han)(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)與(yu)鋼(gang)(gang)(gang)管(guan)(guan)(guan)縱向平行(xing)的(de)鋼(gang)(gang)(gang)管(guan)(guan)(guan)。通常分為公制電焊(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)、電焊(han)(han)(han)(han)(han)(han)(han)(han)薄壁管(guan)(guan)(guan)、變(bian)壓(ya)(ya)(ya)器冷卻油(you)管(guan)(guan)(guan)等(deng)等(deng)。 5.承(cheng)壓(ya)(ya)(ya)流(liu)(liu)(liu)體(ti)(ti)輸(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)(feng)(feng)(feng)埋弧焊(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)（SY5036-83）是(shi)(shi)以(yi)(yi)熱(re)(re)軋(ya)鋼(gang)(gang)(gang)帶卷(juan)(juan)(juan)(juan)作(zuo)(zuo)管(guan)(guan)(guan)坯(pi)，經(jing)(jing)常溫(wen)(wen)(wen)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)，用(yong)(yong)(yong)雙(shuang)(shuang)面(mian)埋弧焊(han)(han)(han)(han)(han)(han)(han)(han)法焊(han)(han)(han)(han)(han)(han)(han)(han)接(jie)，用(yong)(yong)(yong)于承(cheng)壓(ya)(ya)(ya)流(liu)(liu)(liu)體(ti)(ti)輸(shu)(shu)送(song)(song)(song)的(de)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)。鋼(gang)(gang)(gang)管(guan)(guan)(guan)口徑(jing)大，輸(shu)(shu)送(song)(song)(song)效率高(gao)(gao)，并(bing)可節(jie)約鋪設(she)管(guan)(guan)(guan)線(xian)的(de)投資(zi)。主(zhu)要用(yong)(yong)(yong)于輸(shu)(shu)送(song)(song)(song)石(shi)油(you)、天然(ran)氣的(de)管(guan)(guan)(guan)線(xian)。 6.承(cheng)壓(ya)(ya)(ya)流(liu)(liu)(liu)體(ti)(ti)輸(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)(pin)(pin)焊(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)（SY5038-83）是(shi)(shi)以(yi)(yi)熱(re)(re)軋(ya)鋼(gang)(gang)(gang)帶卷(juan)(juan)(juan)(juan)作(zuo)(zuo)管(guan)(guan)(guan)坯(pi)，經(jing)(jing)常溫(wen)(wen)(wen)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)，采 用(yong)(yong)(yong)高(gao)(gao)頻(pin)(pin)(pin)(pin)搭接(jie)焊(han)(han)(han)(han)(han)(han)(han)(han)法焊(han)(han)(han)(han)(han)(han)(han)(han)接(jie)的(de)，用(yong)(yong)(yong)于承(cheng)壓(ya)(ya)(ya)流(liu)(liu)(liu)體(ti)(ti)輸(shu)(shu)送(song)(song)(song)的(de)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)(pin)(pin)焊(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)。鋼(gang)(gang)(gang)管(guan)(guan)(guan)口徑(jing)大，輸(shu)(shu)送(song)(song)(song)效率高(gao)(gao)，并(bing)可節(jie)省鋪設(she)管(guan)(guan)(guan)線(xian)的(de)投資(zi)。主(zhu)要用(yong)(yong)(yong)于鋪設(she)輸(shu)(shu)送(song)(song)(song)石(shi)油(you)、天然(ran)氣等(deng)的(de)管(guan)(guan)(guan)線(xian)。? 7.一(yi)般低(di)壓(ya)(ya)(ya)流(liu)(liu)(liu)體(ti)(ti)輸(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)(feng)(feng)(feng)埋弧焊(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)（SY5037-83）是(shi)(shi)以(yi)(yi)熱(re)(re)軋(ya)鋼(gang)(gang)(gang)帶卷(juan)(juan)(juan)(juan)作(zuo)(zuo)管(guan)(guan)(guan)坯(pi)，經(jing)(jing)常溫(wen)(wen)(wen)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)，采用(yong)(yong)(yong)雙(shuang)(shuang)面(mian)自動埋弧焊(han)(han)(han)(han)(han)(han)(han)(han)或單面(mian)焊(han)(han)(han)(han)(han)(han)(han)(han)法制成(cheng)(cheng)(cheng)的(de)用(yong)(yong)(yong)于水、煤氣、空氣和(he)蒸汽等(deng)一(yi)般低(di)壓(ya)(ya)(ya)流(liu)(liu)(liu)體(ti)(ti)輸(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)埋弧焊(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)。 8.一(yi)般低(di)壓(ya)(ya)(ya)流(liu)(liu)(liu)體(ti)(ti)輸(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)(pin)(pin)焊(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)（SY5039-83）是(shi)(shi)以(yi)(yi)熱(re)(re)軋(ya)鋼(gang)(gang)(gang)帶卷(juan)(juan)(juan)(juan)作(zuo)(zuo)管(guan)(guan)(guan)坯(pi)，經(jing)(jing)常溫(wen)(wen)(wen)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)， 采用(yong)(yong)(yong)高(gao)(gao)頻(pin)(pin)(pin)(pin)搭接(jie)焊(han)(han)(han)(han)(han)(han)(han)(han)法焊(han)(han)(han)(han)(han)(han)(han)(han)接(jie)用(yong)(yong)(yong)于一(yi)般低(di)壓(ya)(ya)(ya)流(liu)(liu)(liu)體(ti)(ti)輸(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)縫(feng)(feng)(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)(pin)(pin)焊(han)(han)(han)(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)。? 9．樁(zhuang)用(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)焊(han)(han)(han)(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)（SY5040-83）是(shi)(shi)以(yi)(yi)熱(re)(re)軋(ya)鋼(gang)(gang)(gang)帶卷(juan)(juan)(juan)(juan)作(zuo)(zuo)管(guan)(guan)(guan)坯(pi)，經(jing)(jing)常溫(wen)(wen)(wen)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)(xuan)(xuan)(xuan)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)，采用(yong)(yong)(yong)雙(shuang)(shuang)面(mian)埋弧焊(han)(han)(han)(han)(han)(han)(han)(han)接(jie) 或高(gao)(gao)頻(pin)(pin)(pin)(pin)焊(han)(han)(han)(han)(han)(han)(han)(han)接(jie)制成(cheng)(cheng)(cheng)的(de)，用(yong)(yong)(yong)于土木(mu)建(jian)筑結構(gou)、碼(ma)頭、橋梁等(deng)基礎樁(zhuang)用(yong)(yong)(yong)鋼(gang)(gang)(gang)管(guan)(guan)(guan)