
Q345qCNH grade is a weather-resistant structural steel for bridges Bridge steel grade is Q345qC It is produced by the standard GB / T714-2014 Weather-resistant bridge plate Q345qCNH is a kind of structural steel plate for bridge Add a certain amount of alloy elements, such as P, Cr, Ni, Cu, Mo, etc to the steel to form a protective layer on the surface of the metal substrate to improve the atmospheric resistance corrosive steel,PVQ A387 GR.11 CL.1 boiler steel plate.The company has advanced production equipment and machining technology, excellent marketing team and domestic regional channel partners, and sound management plan for product market development and after-sales service. After years of cooperation experience, we have accumulated a large number of customers at home and abroad, and won unanimous praise.PVQ A387 GR.11 CL.1 boiler steel plateTempering the important welding structure often use high temperature tempering to remove residual weld stress. Classification: high temperature tempering above 400 ℃, medium temperature tempering 250 ~ 400 ℃, low temperature tempering 150 ~ 250 ℃, Quenching +Tempering is improve strength, plasticity and toughness.PVQ A387 GR.11 CL.1 boiler steel plateAlthough low carbon steel has excellent plasticity, toughness and processing technology, its strength is low and its corrosion resistance is not strong enough. On the basis of ordinary low carbon steel, the low alloy structural steel with high strength, high toughness, good weldability and corrosion resistance can be obtained by adding a small amount of alloy elements and the total amount is less than 3%. Manganese is the main additive element in this kind of steel, and its content is about 1% ~ 1.6%.PVQ A387 GR.11 CL.1 boiler steel plate,Through the operation and management, brand advantage and improve pre-sales, sale of after-sales service, the efforts of the company into the industry leading enterprises.Relying on perfect quality management system, it has built up competition predominance and provided high quality, favorable price and perfect after service for customers.PVQ A387 GR.11 CL.1 boiler steel plate