Q420B low alloy steel plate has high strength, good fatigue resistance; high toughness and low brittle transition temperature. It also has good cold forming properties and welding properties, and has good corrosion resistance and certain wear resistance. Q420B steel plate has high strength, especially in normalizing or normalizing and tempering state, it has high comprehensive mechanical properties.
Application rangesLarge ships, bridges, power station equipment, medium and high pressure boilers, high pressure vessels, rolling stock, overweight machinery, mining machinery, and other large welded structural parts.
Today's Shanghai market;s latest price quotations for medium and
heavy plates have shown steady growth. The price of low-alloy plate Q420B steel size 14-18mm thickness is 5,060 yuan/ton, which is stable; the price of
low-alloy steel Q420B thickness 20mm plate is 5,050 yuan/ton. Maintain yesterday's price.
