A709Gr50 alloy steel plate

Henan Shi Di A709Gr50 steel metal materials Co. company, is a kind of high strength low alloy steel, widely used in engineering structures, such as construction steel structure, construction machinery, mining machinery, heavy truck, mountainous bridge, pressure vessel, especially for the requirements of good weldability and toughness of architecture and engineering mechanical components.　　Executive standard: ASTM A572/A572M　　
Chemical composition: (analysis of melt composition%)　　
C = 0.20, Si = 0.40, Mn = 1.50, P = 0.04, S = 0.05, Nb 0.005~0.05　　
Mechanical property test:　　
The yield strength is not less than 345;　　
The tensile strength is more than or equal to 450;　　
0 degrees of impact energy is greater than or equal to 34J;

If you have any need or do not understand can visit our official website: www.firsteelplate.com thank 

you for your visit!