... material:Q235,SS400,A36,ST37-2,S235JR size:25x2.5mm-200x20mm length:6m,9m,12m GB standard angle steel ... angle,hot rolled angle steel) 1.size: 2.5#--20#2.material: Q235B,SS400,ST37-2,S235JR3.length ... .Chinese standardSpecification Leg length*leg length*thickness (mm) Weight(kg/m)Specification Leg length*leg length* ... *100*710.8340*40*31.852100*100*812.27640*40*42.422100*100*1015.1240*40*52.976100*100* ...