鍛鋼制承插焊管件種類與代號
管(guan)(guan)件(jian)與管(guan)(guan)子(zi)的(de)連(lian)接(jie)方式采用承插焊(han)連(lian)接(jie),而(er)工(gong)藝采用模(mo)鍛(duan)成型和(he)切(qie)削加工(gong)的(de)方法(fa)或棒料加工(gong)制造的(de)管(guan)(guan)件(jian)稱(cheng)(cheng)為(wei)鍛(duan)鋼制承插焊(han)管(guan)(guan)件(jian)。這種(zhong)管(guan)(guan)件(jian)的(de)規(gui)格較小,通常(chang)公稱(cheng)(cheng)通徑范圍為(wei)DN15~DN80。管(guan)(guan)件(jian)種(zhong)類及代號見(jian)表(biao)10-1。...