... size is from 100*50*5*7 to 700*300*13*24We manufacture according to the Chinese standard, BS, ASTM, ... 199*9*1479.5125*125*6.5*923.8338*351*13*13106500*200*10*1689.6148*100*6*921.4340* ... 17106175*175*7.5*1140.3344*348*10*16115700*300*13*24185194*150*6*931.2350*350*12*19137 198*99 ... 4400*200*8*1366 248*124*5*825.8400*400*13*21172 250*125*6*929.7400*408*21*21197 ... 300*150*6.5*937.3450*200*9-1476.5 hf H-beam