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(chang)家(jia)普及專(zhuan)業鋼(gang)管知(zhi)識 3.普通碳素鋼(gang)電(dian)線(xian)套管（GB3640-88）是工(gong)業與民用(yong)建筑、安(an)裝(zhuang)機器(qi)設備等(deng)電(dian)氣安(an)裝(zhuang)工(gong)程(cheng)中用(yong)于保護 電(dian)線(xian)的鋼(gang)管。?

 4.直縫(feng)(feng)電(dian)焊(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)（YB242-63）是(shi)(shi)焊(han)(han)(han)(han)(han)縫(feng)(feng)與(yu)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)縱向平(ping)行的(de)(de)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)。通常(chang)(chang)(chang)分為公制(zhi)(zhi)(zhi)電(dian)焊(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、電(dian)焊(han)(han)(han)(han)(han)薄壁管(guan)(guan)(guan)、變壓器冷卻油(you)(you)管(guan)(guan)(guan)等等。 5.承(cheng)(cheng)壓流(liu)體(ti)(ti)(ti)(ti)輸(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)埋(mai)弧焊(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)（SY5036-83）是(shi)(shi)以熱軋(ya)(ya)(ya)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)卷(juan)作管(guan)(guan)(guan)坯，經(jing)常(chang)(chang)(chang)溫(wen)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)成型(xing)，用(yong)(yong)(yong)(yong)雙(shuang)面(mian)埋(mai)弧焊(han)(han)(han)(han)(han)法(fa)焊(han)(han)(han)(han)(han)接(jie)(jie)，用(yong)(yong)(yong)(yong)于(yu)(yu)承(cheng)(cheng)壓流(liu)體(ti)(ti)(ti)(ti)輸(shu)(shu)送(song)(song)的(de)(de)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)口徑大，輸(shu)(shu)送(song)(song)效率高(gao)(gao)，并可節約鋪設管(guan)(guan)(guan)線(xian)的(de)(de)投資(zi)。主要用(yong)(yong)(yong)(yong)于(yu)(yu)輸(shu)(shu)送(song)(song)石油(you)(you)、天然氣(qi)的(de)(de)管(guan)(guan)(guan)線(xian)。 6.承(cheng)(cheng)壓流(liu)體(ti)(ti)(ti)(ti)輸(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)高(gao)(gao)頻(pin)焊(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)（SY5038-83）是(shi)(shi)以熱軋(ya)(ya)(ya)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)卷(juan)作管(guan)(guan)(guan)坯，經(jing)常(chang)(chang)(chang)溫(wen)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)成型(xing)，采(cai) 用(yong)(yong)(yong)(yong)高(gao)(gao)頻(pin)搭(da)接(jie)(jie)焊(han)(han)(han)(han)(han)法(fa)焊(han)(han)(han)(han)(han)接(jie)(jie)的(de)(de)，用(yong)(yong)(yong)(yong)于(yu)(yu)承(cheng)(cheng)壓流(liu)體(ti)(ti)(ti)(ti)輸(shu)(shu)送(song)(song)的(de)(de)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)高(gao)(gao)頻(pin)焊(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)口徑大，輸(shu)(shu)送(song)(song)效率高(gao)(gao)，并可節省鋪設管(guan)(guan)(guan)線(xian)的(de)(de)投資(zi)。主要用(yong)(yong)(yong)(yong)于(yu)(yu)鋪設輸(shu)(shu)送(song)(song)石油(you)(you)、天然氣(qi)等的(de)(de)管(guan)(guan)(guan)線(xian)。? 7.一般(ban)低壓流(liu)體(ti)(ti)(ti)(ti)輸(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)埋(mai)弧焊(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)（SY5037-83）是(shi)(shi)以熱軋(ya)(ya)(ya)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)卷(juan)作管(guan)(guan)(guan)坯，經(jing)常(chang)(chang)(chang)溫(wen)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)成型(xing)，采(cai)用(yong)(yong)(yong)(yong)雙(shuang)面(mian)自動埋(mai)弧焊(han)(han)(han)(han)(han)或單面(mian)焊(han)(han)(han)(han)(han)法(fa)制(zhi)(zhi)(zhi)成的(de)(de)用(yong)(yong)(yong)(yong)于(yu)(yu)水、煤氣(qi)、空(kong)氣(qi)和蒸汽等一般(ban)低壓流(liu)體(ti)(ti)(ti)(ti)輸(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)埋(mai)弧焊(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)。 8.一般(ban)低壓流(liu)體(ti)(ti)(ti)(ti)輸(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)高(gao)(gao)頻(pin)焊(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)（SY5039-83）是(shi)(shi)以熱軋(ya)(ya)(ya)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)卷(juan)作管(guan)(guan)(guan)坯，經(jing)常(chang)(chang)(chang)溫(wen)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)成型(xing)， 采(cai)用(yong)(yong)(yong)(yong)高(gao)(gao)頻(pin)搭(da)接(jie)(jie)焊(han)(han)(han)(han)(han)法(fa)焊(han)(han)(han)(han)(han)接(jie)(jie)用(yong)(yong)(yong)(yong)于(yu)(yu)一般(ban)低壓流(liu)體(ti)(ti)(ti)(ti)輸(shu)(shu)送(song)(song)用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)縫(feng)(feng)高(gao)(gao)頻(pin)焊(han)(han)(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)。? 9．樁用(yong)(yong)(yong)(yong)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)焊(han)(han)(han)(han)(han)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)（SY5040-83）是(shi)(shi)以熱軋(ya)(ya)(ya)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)(dai)卷(juan)作管(guan)(guan)(guan)坯，經(jing)常(chang)(chang)(chang)溫(wen)螺(luo)(luo)(luo)(luo)旋(xuan)(xuan)成型(xing)，采(cai)用(yong)(yong)(yong)(yong)雙(shuang)面(mian)埋(mai)弧焊(han)(han)(han)(han)(han)接(jie)(jie) 或高(gao)(gao)頻(pin)焊(han)(han)(han)(han)(han)接(jie)(jie)制(zhi)(zhi)(zhi)成的(de)(de)，用(yong)(yong)(yong)(yong)于(yu)(yu)土(tu)木(mu)建筑結(jie)構、碼頭、橋梁等基礎樁用(yong)(yong)(yong)(yong)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)