American standard A709-50F-2 bridge steel plate

A709-50F-2 bridge steel plate chemical composition:
C Carbon:≤0.23;
Si Si: 0.15-0.40;
Mn Mn:≤1.35;
P:≤0.025;
S Sulfur:≤0.02;

Application scope of A709-50F-2 steel plate:
A709-50F-2 steel plate is mostly used for manufacturing river crossing and sea crossing bridges, laying roads, railways, etc.

Mechanical properties of A709-50F-2 bridge steel plate:
Yield strength:≥345MPa;
Tensile strength:≥450MPa;
A200%: ≥18；
Akv（J）: ≥34；
Bending diameter: 3a;
Bending angle: 180°

A709-50F-2 bridge steel plate delivery status:
Hot rolling, controlled rolling and normalizing heat treatment processes are adopted. If there are other technical requirements for steel plates, they can be selected according to the requirements.

A709-50F-2 steel plate is a kind of bridge plate, which is mainly used for manufacturing bridges or paving roads. A709-50F-2 steel plate has good toughness, fatigue resistance and welding performance. Because it is always exposed to air, it is also required to have good atmospheric corrosion resistance. The A709-50F-2 steel plate is equivalent to Q345q of the Chinese steel.