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(pu)及(ji)專業鋼管知(zhi)識 3.普(pu)通碳(tan)素鋼電(dian)線套管（GB3640-88）是(shi)工業與民用(yong)建(jian)筑、安(an)裝機器設備等電(dian)氣(qi)安(an)裝工程中(zhong)用(yong)于(yu)保(bao)護 電(dian)線的鋼管。?

 4.直縫(feng)(feng)(feng)電(dian)焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（YB242-63）是(shi)焊(han)(han)(han)縫(feng)(feng)(feng)與鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)縱向平(ping)行的(de)(de)(de)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。通常(chang)分為公制電(dian)焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、電(dian)焊(han)(han)(han)薄壁(bi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、變壓(ya)(ya)器冷(leng)卻(que)油管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)等(deng)。 5.承(cheng)壓(ya)(ya)流(liu)(liu)體(ti)輸(shu)(shu)(shu)送(song)(song)(song)(song)用(yong)(yong)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)埋弧焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（SY5036-83）是(shi)以熱軋(ya)(ya)(ya)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)卷(juan)作管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯，經(jing)常(chang)溫(wen)螺(luo)(luo)(luo)旋(xuan)成型(xing)，用(yong)(yong)雙面(mian)埋弧焊(han)(han)(han)法(fa)焊(han)(han)(han)接(jie)，用(yong)(yong)于(yu)承(cheng)壓(ya)(ya)流(liu)(liu)體(ti)輸(shu)(shu)(shu)送(song)(song)(song)(song)的(de)(de)(de)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)口(kou)徑大(da)(da)，輸(shu)(shu)(shu)送(song)(song)(song)(song)效率(lv)高(gao)(gao)，并可節約鋪(pu)設管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線的(de)(de)(de)投資(zi)。主要(yao)用(yong)(yong)于(yu)輸(shu)(shu)(shu)送(song)(song)(song)(song)石(shi)油、天(tian)然氣(qi)的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線。 6.承(cheng)壓(ya)(ya)流(liu)(liu)體(ti)輸(shu)(shu)(shu)送(song)(song)(song)(song)用(yong)(yong)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)(pin)焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（SY5038-83）是(shi)以熱軋(ya)(ya)(ya)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)卷(juan)作管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯，經(jing)常(chang)溫(wen)螺(luo)(luo)(luo)旋(xuan)成型(xing)，采(cai) 用(yong)(yong)高(gao)(gao)頻(pin)(pin)(pin)搭(da)接(jie)焊(han)(han)(han)法(fa)焊(han)(han)(han)接(jie)的(de)(de)(de)，用(yong)(yong)于(yu)承(cheng)壓(ya)(ya)流(liu)(liu)體(ti)輸(shu)(shu)(shu)送(song)(song)(song)(song)的(de)(de)(de)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)(pin)焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)口(kou)徑大(da)(da)，輸(shu)(shu)(shu)送(song)(song)(song)(song)效率(lv)高(gao)(gao)，并可節省鋪(pu)設管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線的(de)(de)(de)投資(zi)。主要(yao)用(yong)(yong)于(yu)鋪(pu)設輸(shu)(shu)(shu)送(song)(song)(song)(song)石(shi)油、天(tian)然氣(qi)等(deng)的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線。? 7.一(yi)般低壓(ya)(ya)流(liu)(liu)體(ti)輸(shu)(shu)(shu)送(song)(song)(song)(song)用(yong)(yong)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)埋弧焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（SY5037-83）是(shi)以熱軋(ya)(ya)(ya)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)卷(juan)作管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯，經(jing)常(chang)溫(wen)螺(luo)(luo)(luo)旋(xuan)成型(xing)，采(cai)用(yong)(yong)雙面(mian)自(zi)動埋弧焊(han)(han)(han)或(huo)單面(mian)焊(han)(han)(han)法(fa)制成的(de)(de)(de)用(yong)(yong)于(yu)水、煤氣(qi)、空氣(qi)和蒸汽等(deng)一(yi)般低壓(ya)(ya)流(liu)(liu)體(ti)輸(shu)(shu)(shu)送(song)(song)(song)(song)用(yong)(yong)埋弧焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。 8.一(yi)般低壓(ya)(ya)流(liu)(liu)體(ti)輸(shu)(shu)(shu)送(song)(song)(song)(song)用(yong)(yong)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)(pin)焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（SY5039-83）是(shi)以熱軋(ya)(ya)(ya)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)卷(juan)作管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯，經(jing)常(chang)溫(wen)螺(luo)(luo)(luo)旋(xuan)成型(xing)， 采(cai)用(yong)(yong)高(gao)(gao)頻(pin)(pin)(pin)搭(da)接(jie)焊(han)(han)(han)法(fa)焊(han)(han)(han)接(jie)用(yong)(yong)于(yu)一(yi)般低壓(ya)(ya)流(liu)(liu)體(ti)輸(shu)(shu)(shu)送(song)(song)(song)(song)用(yong)(yong)螺(luo)(luo)(luo)旋(xuan)縫(feng)(feng)(feng)高(gao)(gao)頻(pin)(pin)(pin)焊(han)(han)(han)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。? 9．樁用(yong)(yong)螺(luo)(luo)(luo)旋(xuan)焊(han)(han)(han)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)（SY5040-83）是(shi)以熱軋(ya)(ya)(ya)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)卷(juan)作管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯，經(jing)常(chang)溫(wen)螺(luo)(luo)(luo)旋(xuan)成型(xing)，采(cai)用(yong)(yong)雙面(mian)埋弧焊(han)(han)(han)接(jie) 或(huo)高(gao)(gao)頻(pin)(pin)(pin)焊(han)(han)(han)接(jie)制成的(de)(de)(de)，用(yong)(yong)于(yu)土木建(jian)筑結(jie)構、碼頭(tou)、橋梁等(deng)基礎樁用(yong)(yong)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)