... 20-200mm 4.Material:Q195,Q235,SS400 Galvanized 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 ... with black painting.3).All the production process are made under the ISO9001:2000 strictly. Size ThicknessLength40*404mm 5mm6-12m50* ... -12m250*25025mm35mm6-12m10.contact: MS lydia zhang equal steel angle