Angle Bar Standard: GB /T9787,ASTM,JIS,EN,DIN ... Q420,ASTM A36,SS400/SS540 Length: 5.8-12m Angle Iron 1. Standard: GB /T9787,ASTM,JIS,EN, ... engineering structure, such as the beam, Bridges, transmission tower, lifting transportation machinery, the ships, the industrial furnace, ... : 86-13869584701 11.Detailed dimentions: Equal angle steelSpecification(mm) Unequal angle steelSpecification(mm)25*25*3/432*20* ...