圆、矩形风管规格和风管配件钢板厚度.doc

外径D（mm）外径D（mm）基本系列辅助系列基本系列辅助系列802201000210950100500480220100090500250112024010601002501120120560110530280125026011801205602801250140630130600320140030013201406303201400160700150670360160034015001607003601600180800170750400180038017001808004001800200900190850450200042019002009004502000矩形风管规格□□□□mma□□XDD□□□□mma□□XDD120X120630X500320X3201250X400160X120630X630400X2001250X500160X160800X320400X2501250X630200X120800X400400X3201250X800200X160800X500400X4001250X1000200X200800X630500X2001600X500250X120800X800500X2501600X630250X1601000X320500X3201600X800250X2001000X400500X4001600X1000250X2501000X500500X5001600X1250320X1601000X630630X2502000X800320X2001000X800630X3202000X1000320X2501000X1000630X4002000X1250风管和配件钢板厚度圆形风管直径或矩形风管大边长（mm）钢板厚度一般风管除尘风管100D2000.51.5220D5000.751.5530D14002560D112011250D20001.2D1.51500D20003。