A709 Grade 50 steel plate is high strength low alloy steel

A709 Grade 50 steel plate is high strength low alloy steel and widely used in engineering structures, such as building steel structures, construction machinery, mining machinery, trucks, bridges, pressure vessels, etc., especially used for building and construction machinery components with good weldability and toughness.

A709 Grade 50 steel plate technical standard: ASTM A709/A709M

A709 Grade 50 steel plate specifications:
8-300mm thickness, can be rolled with fixed width and fixed length

A709 Grade 50 steel plate chemical composition:

Grade	C	Si	Mn	P	S	Nb
A709 Grade 50	≤0.20	≤0.40	≤1.50	≤0.04	≤0.05	0.005～0.05

A709 Grade 50 steel plate mechanical properties:

Grade	σs，MPa	σb，MPa	δ200，%	0℃Akv，J
A709 Grade 50	≥345	≥450	≥18	≥34

Note: Charpy impact test of A709 Grade 50 steel plate should be carried out according to customer's requirements.

BBN steel has exported A709 Grade 50 steel plates to Mexico, Pakistan and other places to be used in construction steel structure, construction machinery and other steel structures. The cumulative export volume has reached more than 10,000 tons.