Heat treatment process and purpose of Q460NH steel for railway rolling stock

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Heat treatment process and purpose of Q460NH steel for railway rolling stock

First to determine the welding methods, such as hand arc welding, submerged arc welding and tungsten argon arc welding, melting polar gas shielded welding machine, and so on are very many different kinds of Q460NH steel for railway rolling stock welding method, can only be chosen according to specific situation, determine the welding method, and make welding process parameters, different kinds of welding process parameters, such as manual welding mainly includes: electrode model (or brand) diameter, current, voltage, welding power source type and polarity connection, welding layer number, number, inspection method, etc.

Grades Q460NH steel for railway rolling stock, Q345 (16Mn) and Q390 steel have good comprehensive mechanical properties, good welding performance, cold and hot workability and corrosion resistance. C, D, E grade steel has good low temperature toughness. Mainly used for ships, boilers, pressure vessels, petroleum storage tanks, bridges, power station equipment, lifting and transportation machinery and other higher-load welding structural parts.

Thank you for visiting the website of BBN Steel and affording us the opportunity to become your preferred vendor of Q460NH steel for railway rolling stock. Our team strives to lead our peers in providing value-added services and support to our clients throughout the world. We look forward to welcoming you to come and visit our factory.

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