S235JR/S275JR/S355JR/S355JO angle bar/bars
S275JR angle steel: has low yield strength, suitable for general structural purposes, and can meet the basic requirements for structural strength of common buildings, bridges and other general projects. S355JR angle steel: has high strength, suitable for structures with high loads and high stresses, and can meet the high strength requirements of tower cranes, runways and other scenes.
