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)(guan)知(zhi)識(shi) 3.普通(tong)碳(tan)素鋼電線套管(guan)(guan)（GB3640-88）是工業(ye)與(yu)民用(yong)建筑、安(an)裝(zhuang)(zhuang)機器設備(bei)等電氣安(an)裝(zhuang)(zhuang)工程中用(yong)于(yu)保護 電線的鋼管(guan)(guan)。?

 4.直縫(feng)(feng)(feng)(feng)電(dian)(dian)焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)（YB242-63）是(shi)(shi)焊(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)與鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)縱向平行的(de)(de)(de)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。通常(chang)(chang)(chang)分為(wei)公制電(dian)(dian)焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)、電(dian)(dian)焊(han)(han)(han)(han)薄壁管(guan)(guan)(guan)(guan)(guan)(guan)、變壓(ya)器冷卻油(you)管(guan)(guan)(guan)(guan)(guan)(guan)等等。 5.承壓(ya)流體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)(feng)埋弧焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)（SY5036-83）是(shi)(shi)以熱軋(ya)(ya)鋼(gang)(gang)(gang)(gang)(gang)帶(dai)卷作(zuo)管(guan)(guan)(guan)(guan)(guan)(guan)坯(pi)，經(jing)常(chang)(chang)(chang)溫螺(luo)(luo)(luo)旋(xuan)成(cheng)型，用(yong)(yong)(yong)(yong)雙面埋弧焊(han)(han)(han)(han)法焊(han)(han)(han)(han)接(jie)，用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)承壓(ya)流體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)(song)的(de)(de)(de)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)口徑(jing)大，輸(shu)(shu)(shu)送(song)(song)(song)效(xiao)率高，并(bing)可(ke)(ke)節(jie)約鋪設管(guan)(guan)(guan)(guan)(guan)(guan)線的(de)(de)(de)投資。主要用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)輸(shu)(shu)(shu)送(song)(song)(song)石油(you)、天然(ran)氣的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)線。 6.承壓(ya)流體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)(feng)高頻(pin)(pin)焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)（SY5038-83）是(shi)(shi)以熱軋(ya)(ya)鋼(gang)(gang)(gang)(gang)(gang)帶(dai)卷作(zuo)管(guan)(guan)(guan)(guan)(guan)(guan)坯(pi)，經(jing)常(chang)(chang)(chang)溫螺(luo)(luo)(luo)旋(xuan)成(cheng)型，采(cai) 用(yong)(yong)(yong)(yong)高頻(pin)(pin)搭(da)(da)接(jie)焊(han)(han)(han)(han)法焊(han)(han)(han)(han)接(jie)的(de)(de)(de)，用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)承壓(ya)流體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)(song)的(de)(de)(de)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)(feng)高頻(pin)(pin)焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)口徑(jing)大，輸(shu)(shu)(shu)送(song)(song)(song)效(xiao)率高，并(bing)可(ke)(ke)節(jie)省(sheng)鋪設管(guan)(guan)(guan)(guan)(guan)(guan)線的(de)(de)(de)投資。主要用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)鋪設輸(shu)(shu)(shu)送(song)(song)(song)石油(you)、天然(ran)氣等的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)線。? 7.一般(ban)低壓(ya)流體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)(feng)埋弧焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)（SY5037-83）是(shi)(shi)以熱軋(ya)(ya)鋼(gang)(gang)(gang)(gang)(gang)帶(dai)卷作(zuo)管(guan)(guan)(guan)(guan)(guan)(guan)坯(pi)，經(jing)常(chang)(chang)(chang)溫螺(luo)(luo)(luo)旋(xuan)成(cheng)型，采(cai)用(yong)(yong)(yong)(yong)雙面自動埋弧焊(han)(han)(han)(han)或(huo)單面焊(han)(han)(han)(han)法制成(cheng)的(de)(de)(de)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)水、煤氣、空(kong)氣和蒸汽等一般(ban)低壓(ya)流體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)(yong)埋弧焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。 8.一般(ban)低壓(ya)流體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)(feng)高頻(pin)(pin)焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)（SY5039-83）是(shi)(shi)以熱軋(ya)(ya)鋼(gang)(gang)(gang)(gang)(gang)帶(dai)卷作(zuo)管(guan)(guan)(guan)(guan)(guan)(guan)坯(pi)，經(jing)常(chang)(chang)(chang)溫螺(luo)(luo)(luo)旋(xuan)成(cheng)型， 采(cai)用(yong)(yong)(yong)(yong)高頻(pin)(pin)搭(da)(da)接(jie)焊(han)(han)(han)(han)法焊(han)(han)(han)(han)接(jie)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)一般(ban)低壓(ya)流體(ti)(ti)輸(shu)(shu)(shu)送(song)(song)(song)用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)(feng)高頻(pin)(pin)焊(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。? 9．樁用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)旋(xuan)焊(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)（SY5040-83）是(shi)(shi)以熱軋(ya)(ya)鋼(gang)(gang)(gang)(gang)(gang)帶(dai)卷作(zuo)管(guan)(guan)(guan)(guan)(guan)(guan)坯(pi)，經(jing)常(chang)(chang)(chang)溫螺(luo)(luo)(luo)旋(xuan)成(cheng)型，采(cai)用(yong)(yong)(yong)(yong)雙面埋弧焊(han)(han)(han)(han)接(jie) 或(huo)高頻(pin)(pin)焊(han)(han)(han)(han)接(jie)制成(cheng)的(de)(de)(de)，用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)土木建筑(zhu)結(jie)構(gou)、碼(ma)頭(tou)、橋梁等基礎樁用(yong)(yong)(yong)(yong)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)