黃夾克保(bao)溫鋼(gang)管(guan)(guan)，原材主要包括有縫鋼(gang)管(guan)(guan)和無縫鋼(gang)管(guan)(guan)。

黃夾克(ke)(ke)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)鋼(gang)(gang)管(guan)(guan)原(yuan)材(cai)(cai)主(zhu)要(yao)包括(kuo)有(you)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)和無縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)。黃夾克(ke)(ke)聚(ju)(ju)氨酯保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)鋼(gang)(gang)管(guan)(guan)常用(yong)的保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)材(cai)(cai)料(liao)(liao)(liao)是硬質聚(ju)(ju)氨脂泡沫(mo)塑料(liao)(liao)(liao)，適用(yong)溫(wen)(wen)(wen)度(du)為(wei)(wei)－185～120℃。這種材(cai)(cai)料(liao)(liao)(liao)質地(di)松軟，為(wei)(wei)提(ti)高(gao)其強度(du)，在隔熱(re)層(ceng)(ceng)外面加(jia)敷(fu)一層(ceng)(ceng)聚(ju)(ju)乙(yi)(yi)烯(xi)層(ceng)(ceng)，形成(cheng)(cheng)復合(he)材(cai)(cai)料(liao)(liao)(liao)結構，以防止(zhi)地(di)下水滲入保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)層(ceng)(ceng)內。黃夾克(ke)(ke)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)鋼(gang)(gang)管(guan)(guan)結構主(zhu)要(yao)包括(kuo)工(gong)作鋼(gang)(gang)管(guan)(guan)層(ceng)(ceng)，聚(ju)(ju)氨酯保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)層(ceng)(ceng)和聚(ju)(ju)乙(yi)(yi)烯(xi)保(bao)(bao)(bao)(bao)護層(ceng)(ceng)。其面的一層(ceng)(ceng)由預制成(cheng)(cheng)   壁厚的黑色(se)或黃色(se)聚(ju)(ju)乙(yi)(yi)烯(xi)塑料(liao)(liao)(liao)材(cai)(cai)料(liao)(liao)(liao)覆蓋。黑色(se)的稱之(zhi)為(wei)(wei)黑夾克(ke)(ke)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)管(guan)(guan)，黃色(se)的稱之(zhi)為(wei)(wei)黃夾克(ke)(ke)保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)鋼(gang)(gang)管(guan)(guan)。其作用(yong)一是保(bao)(bao)(bao)(bao)護聚(ju)(ju)氨酯保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)層(ceng)(ceng)免遭機械硬物破壞，二(er)是、   。聚(ju)(ju)乙(yi)(yi)烯(xi)聚(ju)(ju)氨酯發泡保(bao)(bao)(bao)(bao)溫(wen)(wen)(wen)鋼(gang)(gang)管(guan)(guan)執行：SY/T114-2000和SY/T115-2001標(biao)準。