热轧T型钢冷拉T型钢广泛用于牧场围栏立柱建筑围栏铁路预埋件房屋预埋件小五金工具农机配件五金配件电梯轨道设备门窗配件铁艺围栏养护架立柱工程加固等型号规格米重型号规格理算T型钢20*320*20*30.9420*420*20*41.26T型钢25*325*25*31.1825*425*25*41.57T型钢30*330*30*31.4130*430*30*41.88T型钢35*335*35*31.6535*435*35*42.2T型钢40*440*40*42.5140*540*40*53.14T型钢45*445*45*42.8345*545*45*53.53T型钢45*645*45*64.2450*450*50*43.14T型钢50*550*50*53.9350*650*50*64.71T型钢60*660*60*65.6560*760*60*76.59T型钢36*6036*60*53.7736*60*836*60*8)