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天津無縫鋼管廠生產出的產品按用(yong)途分(fen)類(lei)--管(guan)(guan)(guan)(guan)道用(yong)鋼(gang)管(guan)(guan)(guan)(guan)、熱工設備用(yong)鋼(gang)管(guan)(guan)(guan)(guan)、機械工業用(yong)鋼(gang)管(guan)(guan)(guan)(guan)、石油、地(di)質鉆探(tan)用(yong)鋼(gang)管(guan)(guan)(guan)(guan)、容(rong)器鋼(gang)管(guan)(guan)(guan)(guan)、化(hua)學工業用(yong)鋼(gang)管(guan)(guan)(guan)(guan)、特殊用(yong)途鋼(gang)管(guan)(guan)(guan)(guan)、其他4.化(hua)學成分(fen)檢驗 

如：1.低壓(ya)流(liu)體(ti)輸(shu)送(song)(song)用(yong)焊(han)接(jie)鋼(gang)(gang)管(guan)(guan)(guan)(guan)（GB/T3092-1993）也稱(cheng)一般焊(han)管(guan)(guan)(guan)(guan)，俗稱(cheng)黑管(guan)(guan)(guan)(guan)。是(shi)用(yong)于輸(shu)送(song)(song)水、煤氣、空氣、油和取暖(nuan)蒸汽等一般較(jiao)低壓(ya)力流(liu)體(ti)和其(qi)他用(yong)途的焊(han)接(jie)鋼(gang)(gang)管(guan)(guan)(guan)(guan)。鋼(gang)(gang)管(guan)(guan)(guan)(guan)接(jie)壁厚(hou)分為(wei)(wei)普通鋼(gang)(gang)管(guan)(guan)(guan)(guan)和加厚(hou)鋼(gang)(gang)管(guan)(guan)(guan)(guan)；接(jie)管(guan)(guan)(guan)(guan)端形(xing)式(shi)分為(wei)(wei)不(bu)帶螺紋鋼(gang)(gang)管(guan)(guan)(guan)(guan)（光管(guan)(guan)(guan)(guan)）和帶螺紋鋼(gang)(gang)管(guan)(guan)(guan)(guan)。鋼(gang)(gang)管(guan)(guan)(guan)(guan)的規(gui)格用(yong)公(gong)稱(cheng)口(kou)徑（mm）表(biao)示，公(gong)稱(cheng)口(kou)徑是(shi)內徑的近(jin)似(si)值。習慣上常用(yong)英(ying)寸表(biao)示，如11/2 等。低壓(ya)流(liu)體(ti)輸(shu)送(song)(song)用(yong)焊(han)接(jie)鋼(gang)(gang)管(guan)(guan)(guan)(guan)除直接(jie)用(yong)于輸(shu)送(song)(song)流(liu)體(ti)外，還大量用(yong)作低壓(ya)流(liu)體(ti)輸(shu)送(song)(song)用(yong)鍍鋅焊(han)接(jie)鋼(gang)(gang)管(guan)(guan)(guan)(guan)的原(yuan)管(guan)(guan)(guan)(guan)。

2.低壓(ya)流體輸送用(yong)鍍(du)(du)鋅(xin)焊接(jie)鋼(gang)管(guan)(guan)（GB/T3091-1993）也稱鍍(du)(du)鋅(xin)電(dian)焊鋼(gang)管(guan)(guan)，俗(su)稱白(bai)管(guan)(guan)。是(shi)用(yong)于(yu)輸送水、煤氣、空氣、油及取暖蒸汽、暖水等一般(ban)較低壓(ya)力流體或其他用(yong)途的(de)熱浸鍍(du)(du)鋅(xin)焊接(jie)（爐焊或電(dian)焊）鋼(gang)管(guan)(guan)。鋼(gang)管(guan)(guan)接(jie)壁厚(hou)分為普通(tong)鍍(du)(du)鋅(xin)鋼(gang)管(guan)(guan)和加(jia)厚(hou)鍍(du)(du)鋅(xin)鋼(gang)管(guan)(guan)；接(jie)管(guan)(guan)端形式分為不帶螺紋鍍(du)(du)鋅(xin)鋼(gang)管(guan)(guan)和帶螺紋鍍(du)(du)鋅(xin)鋼(gang)管(guan)(guan)。鋼(gang)管(guan)(guan)的(de)規格用(yong)公稱口(kou)(kou)徑（mm）表示，公稱口(kou)(kou)徑是(shi)內(nei)徑的(de)近似值。習(xi)慣上常用(yong)英寸表示，如11/2 等。

3.普通碳素(su)鋼電線套管（GB3640-88）是工業與民用建筑、安裝機器設備等電氣安裝工程中用于(yu)保護(hu)電線的(de)鋼管。

4.直縫電焊鋼(gang)管(guan)（YB242-63）是焊縫與鋼(gang)管(guan)縱向(xiang)平行的鋼(gang)管(guan)。通常分為公(gong)制(zhi)電焊鋼(gang)管(guan)、電焊薄(bo)壁管(guan)、變壓器冷卻油管(guan)等等。

5.承(cheng)壓(ya)流(liu)體(ti)輸送(song)(song)用螺旋(xuan)縫(feng)埋(mai)弧(hu)焊(han)鋼管(guan)（SY5036-83）是以熱軋鋼帶卷作管(guan)坯(pi)，經常溫螺旋(xuan)成型，用雙面埋(mai)弧(hu)焊(han)法焊(han)接，用于承(cheng)壓(ya)流(liu)體(ti)輸送(song)(song)的螺旋(xuan)縫(feng)鋼管(guan)。鋼管(guan)承(cheng)壓(ya)能力強，焊(han)接性能好，經過各種(zhong)嚴格的科學檢驗和測試(shi)，使(shi)用安全可靠。鋼管(guan)口徑大，輸送(song)(song)效率(lv)高，并(bing)可節(jie)約鋪設管(guan)線的投資。主要用于輸送(song)(song)石油、天然氣的管(guan)線。