诚(Cheng)信(Xin)经(Jing)营(Ying)回(Hui)收(Shou),(?)废(Fei)旧(Jiu)钢(Gang)管(Guan)回(Hui)收(Shou),(?)北(Bei)京(Jing)废(Fei)旧(Jiu)钢(Gang)管(Guan)回(Hui)收(Shou)价(Jia)格(Ge),(?)旧(Jiu)钢(Gang)管(Guan)回(Hui)收(Shou)多(Duo)少(Shao)钱(Qian),(?)无(Wu)缝(Feng)钢(Gang)管(Guan)回(Hui)收(Shou),(?)架(Jia)子(Zi)管(Guan)回(Hui)收(Shou)商(Shang)家(Jia),(?)钢(Gang)管(Guan)回(Hui)收(Shou)包(Bao)括(Kuo):(?)无(Wu)缝(Feng)钢(Gang)管(Guan),(?)架(Jia)子(Zi)管(Guan),(?)镀(Du)锌(Xin)管(Guan),(?)石(Shi)油(You)管(Guan)道(Dao),(?)热(Re)轧(Zha)管(Guan),(?)冷(Leng)轧(Zha)管(Guan)等(Deng)。(?)
1、(?)按(An)断(Duan)面(Mian)形(Xing)状(Zhuang)分(Fen)类(Lei)
((?)1)(?)简(Jian)单(Dan)断(Duan)面(Mian)钢(Gang)管(Guan)--圆(Yuan)形(Xing)钢(Gang)管(Guan)、(?)方(Fang)形(Xing)钢(Gang)管(Guan)、(?)椭(Tuo)圆(Yuan)形(Xing)钢(Gang)管(Guan)、(?)三(San)角(Jiao)形(Xing)钢(Gang)管(Guan)、(?)六(Liu)角(Jiao)形(Xing)钢(Gang)管(Guan)、(?)菱(Ling)形(Xing)钢(Gang)管(Guan)、(?)八(Ba)角(Jiao)形(Xing)钢(Gang)管(Guan)、(?)半(Ban)圆(Yuan)形(Xing)钢(Gang)圆(Yuan)、(?)其(Qi)他(Ta).
((?)2)(?)复(Fu)杂(Za)断(Duan)面(Mian)钢(Gang)管(Guan)--不(Bu)等(Deng)边(Bian)六(Liu)角(Jiao)形(Xing)钢(Gang)管(Guan)、(?)五(Wu)瓣(Ban)梅(Mei)花(Hua)形(Xing)钢(Gang)管(Guan)、(?)双(Shuang)凸(Tu)形(Xing)钢(Gang)管(Guan)、(?)双(Shuang)凹(Ao)形(Xing)钢(Gang)管(Guan)、(?)瓜(Gua)子(Zi)形(Xing)钢(Gang)管(Guan)、(?)圆(Yuan)锥(Zhui)形(Xing)钢(Gang)管(Guan)、(?)波(Bo)纹(Wen)形(Xing)钢(Gang)管(Guan)、(?)表(Biao)壳(Ke)钢(Gang)管(Guan)、(?)其(Qi)他(Ta)。(?)
2、(?)按(An)壁(Bi)厚(Hou)分(Fen)类(Lei)--薄(Bao)壁(Bi)钢(Gang)管(Guan)、(?)厚(Hou)壁(Bi)钢(Gang)管(Guan)。(?)
3、(?)按(An)用(Yong)途(Tu)分(Fen)类(Lei)--管(Guan)道(Dao)用(Yong)钢(Gang)管(Guan)、(?)热(Re)工(Gong)设(She)备(Bei)用(Yong)钢(Gang)管(Guan)、(?)机(Ji)械(Xie)工(Gong)业(Ye)用(Yong)钢(Gang)管(Guan)、(?)石(Shi)油(You)、(?)地(Di)质(Zhi)钻(Zuan)探(Tan)用(Yong)钢(Gang)管(Guan)、(?)容(Rong)器(Qi)钢(Gang)管(Guan)、(?)工(Gong)业(Ye)用(Yong)钢(Gang)管(Guan)、(?)特(Te)殊(Shu)用(Yong)途(Tu)钢(Gang)管(Guan)。(?) |