표준단면적(MM) 단위중량 표준단면적(MM) 단위중량 H x BT1T2(kg/m) H x BT1T2(kg/m) 100 x 50579.3 388 x 40215140100 x 1006817.2394 x 39811814712 5 x 606813.2394 x 4051818168125 5283175 94 204121256.2496 1256929.6506 .5936.7600 3051515106594 1016115800