C channel steel

C channel steel Any question, pls feel free to ask us any time, we are pleased to reply you ASAP.GB Standard Channel Steel DesignationWeb widthToleranceFlange height ToleranceWeb thicknessToleranceWeightmmmmmmkg/m5#50±1.537±1.54.5±0.45.438 6.3#63±1.540±1.54.8±0.46.634 8#80±1.543±1.55±0.48.045 10#100±2.048±2.05.3±0.510.007 12#120±2.053±2.05.5±0.512.059 14A#140±2.058±2.06±0.514.535 14B#140±2.060±2.08±0.516.733 16A#160±2.063±2.56.5±0.617.240 16B#160±2.065±2.58.5±0.619.752 18A#180±2.068±2.57±0.620.174 18B#180±2.070±2.59±0.623.000 20A#200±3.073±3.07±0.622.637 20B#200±3.075±3.09±0.725.777 22A#220±3.077±3.07±0.724.999 22B#220±3.079±3.09±0.728.453 25A#250±3.078±3.07±0.727.410 25B#250±3.080±3.09±0.731.335 28A#280±3.082±3.07.5±0.731.427 28B#280±3.084±3.09.5±0.735.823 30A#300±3.085±3.07.5±0.734.463 30B#300±3.087±3.09.5±0.739.173 32A#320±3.088±3.58±0.838.083