... SS400/Q195/Q345/ASTMA36 etc 2.Size:20-200mm 3.length:6-12m 4.certification: ISO ... AISI,ASTM,BS,JPS,GB,NF ,JIS2.Specification:2-20#3.Material:SS400, ST37-2, A36, S235JRG1, Q235, ... Q345 ,Q1954.SIZE:20*20-200*200MM We are making other angle steels ... Company2.Management Certification: ISO 9001-2008; QS-9000;3.Aplication: Construction,largespan,metal structure,/towercrane, water heating ...