Z BEAM SIZE:50*20*10-500*150*50 LENGTH:6M OR 12M STANDARD:Q345,SS400 Z pernil1.SIZE:H*B*T 50*20*1.0-500*150*14.0size :h*b*c*t 50*20*10*1.0-500*150*50*14.02.length:6m,12m or as clients' requirements3. standard:astma36,q345,ss4004.package:bundles5.allowed tolerance:+/-2.0mm6.if you have special need, for example ,you want to do the componets,pls provide us graph paper Z pernil