都會用哪些方法來提高鍍鋅異形鋼管的耐銹性能呢?
關(guan)于異型(xing)(xing)(xing)無(wu)(wu)縫(feng)鋼管(guan)是除(chu)了圓(yuan)(yuan)管(guan)以外的其(qi)他截(jie)面形狀的無(wu)(wu)縫(feng)鋼管(guan)的總稱。按鋼管(guan)截(jie)面形狀尺寸的不(bu)同又可分為(wei)等壁(bi)厚(hou)異型(xing)(xing)(xing)無(wu)(wu)縫(feng)鋼管(guan)(代號(hao)為(wei)D)、不(bu)等壁(bi)厚(hou)異型(xing)(xing)(xing)無(wu)(wu)縫(feng)鋼管(guan)(代號(hao)為(wei)BD)、變直(zhi)徑(jing)異型(xing)(xing)(xing)無(wu)(wu)縫(feng)鋼管(guan)(代號(hao)為(wei)BJ)。異型(xing)(xing)(xing)無(wu)(wu)縫(feng)鋼管(guan)廣泛用于各種結構件、工具和(he)機(ji)械零(ling)部件。和(he)圓(yuan)(yuan)管(guan)相比,異型(xing)(xing)(xing)管(guan)一般都有較大的慣(guan)性(xing)矩和(he)截(jie)面模數,有較
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