... 294*200*8*12mm=weight57.3kg/M.400*200*8*13mm=66.0kg/M 1:JIS G H Beams:mainly using for construction ... and industry,workpiece and so on.2:Standard:JIS G.GB ... pipes steel coils steel plates,PPGI,hot-dip galvanizing steel,I Beams,C Beams and so on.8:The sizes:294 ... *200*8*12mm=weight57.3kg/M.400*200*8*13mm=66.0kg/M.9:In general,the H Beams' length ...