一.熱交換器用鋼管：規格從外徑10-60mm，齒數可根據用戶要求任意選擇。體積X密度=重量 附:圓鋼的密度為7.85 轉化成米幫你計算 [(0.31/2)的平方X3.14X0.79]X7.85=0.467噸=467.83千克. 結論:所示圓鋼重量為467.83千克.二.小口徑異壁異型鋼管：如外圓內六角，外圓內方，外六角內圓等等。規格從外徑8-60mm，內孔可根據用戶要求。三.等壁異型鋼管：該品種可根據用戶要求確定，并可根據用戶要求生產非標準的焊管。四.內螺旋鋼管：規格從外徑10-60mm根據用戶要求而定。五.特薄特小鋼管：規格從外徑3mm,壁厚從0.5mm起定。六角鋼管 六角無縫鋼管 外圓內六角鋼管 內圓外六角鋼管 常(chang)規生(sheng)產牌(pai)號：10# 20# 45# 16Mn全輝(hui)鋼(gang)管(guan)(guan)(guan)(guan)可生(sheng)產鋼(gang)管(guan)(guan)(guan)(guan)牌(pai)號：Q215、Q235、10#、20#、45#、50#、HG3、20CrMnTi、20Cr、20CrMo、35CrMo、42CrMo、60Si2Mn、40Cr、GCR15等。異(yi)(yi)型(xing)(xing)管(guan)(guan)(guan)(guan)可分為(wei)橢(tuo)圓(yuan)形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、三角(jiao)(jiao)形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、六(liu)角(jiao)(jiao)形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、內圓(yuan)外六(liu)角(jiao)(jiao)無縫鋼(gang)管(guan)(guan)(guan)(guan)、外圓(yuan)內六(liu)角(jiao)(jiao)鋼(gang)管(guan)(guan)(guan)(guan)、菱形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、八(ba)角(jiao)(jiao)形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、半圓(yuan)形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)圓(yuan)，不等邊(bian)六(liu)角(jiao)(jiao)形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、五瓣梅花形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、雙凸形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、雙凹(ao)形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、瓜子形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、圓(yuan)錐形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)、波紋形(xing)(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)。