steel angle 1.specifications:20*20*2mm-200*200* ... Width: 20-200mm 4.Material:Q195,Q235,SS400 angle steel 1.specifications:20*20*2mm-200*200*202.Wall ... : 1-12m4.Standard: GB,ASTM,JIS,DIN,BSSteel grade: Q195, Q235,Q345,10#,20#,ASTM A106 GRB6 ... : petroleum, power, papermaking,chemical, medical equipment,aviation,boiler heat,exchanger, shipbuilding,construction,etc.9.1).Special design is available ...