... 5mm 2)Material: Q195,Q215,Q235,A36,SS400,SS540 channel 1)Size: 51x25x3mm-305x80x13mm 2)Material: Q195,Q215, ... A36,SS400,SS540 3)Packing:bundle with strips American Channel Steel Standardh(mm)b(mm)d(mm)Theoretic ... kg/mC3*6764098.90 kg/mC4*4.5102403.26.70 kg/mC4*5.4102404.78.00 kg/mC4*7. ... 11.5203575.617.10 kg/mC8*13.7203597.720.5 kg/mC8*18.52036412.427.90 kg/mC10* ... .00 kg/mC12*30305801345.00 kg/m channel