異型無縫鋼(gang)管廣泛用于各種結(jie)(jie)構件(jian)、工(gong)具和機械零部件(jian)。和圓管相比，異型管一般都(dou)有較大(da)的慣性矩和截面模(mo)數，有較大(da)的抗彎(wan)抗扭能力，可以大(da)大(da)減輕結(jie)(jie)構重量，節約鋼(gang)材。

異(yi)型(xing)管(guan)(guan)一般(ban)是根據斷截面來區分(fen)的，按材料來說又(you)可分(fen)為(wei)無縫鋼(gang)管(guan)(guan)異(yi)型(xing)管(guan)(guan)，鋁合金異(yi)型(xing)管(guan)(guan)，塑(su)料異(yi)型(xing)管(guan)(guan)。下面主要介紹一下鋼(gang)管(guan)(guan)異(yi)型(xing)管(guan)(guan)。

鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)異(yi)(yi)型(xing)(xing)管(guan)(guan)(guan)可分為橢圓(yuan)(yuan)形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、三角形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、六(liu)(liu)角形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、菱(ling)形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、八角形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、半圓(yuan)(yuan)形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)圓(yuan)(yuan)，不等邊六(liu)(liu)角形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、五瓣梅花(hua)形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、雙(shuang)凸形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、雙(shuang)凹形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、瓜子形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、圓(yuan)(yuan)錐形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、波紋形(xing)(xing)(xing)異(yi)(yi)型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、燈籠型(xing)(xing)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)。