What are the porposes of quenching and tempering of st37 plate

Hot Rolled Plates Products TestingBBN STEEL can supply many tests and analysis done to examine them before and after the manufacturing. As the st37 plate raw material is fetched by us the steel undergoes vacuum treatment, product analysis, additional tensile test, simulated post weld heat treatment, and impact test. After the steel is converted to steel plates they undergo the drop-weight test, hot tensile test, ultrasonic test, the practical examination through examination, and the vacuum carbon deoxidized steel."

The loose coil annealed st37 plate steel sheet (O.C.A) developed by the United States is a special annealing of the boiling steel sheet in an atmosphere containing water vapor and hydrogen, because annealing in this atmosphere can remove the solid solution and carbides in the steel The compound carbon in the medium suppresses the aging sensitivity and further softens the st37 plate steel plate.

The company always adheres to the st37 plate principle of "quality first, user first", and takes every cooperation seriously. It is our biggest wish that the steel material, specification and quantity can fully meet the requirements of users. With good reputation, high quality products and low price, we are willing to work together with old and new customers to create a great st37 plate cause. Customers are welcome to visit our company at any time. We are always ready to support you.

HG785 steel contains a certain amount of alloying elements and microalloying elements. Its weldability is different from that of carbon steel, st37 plate. The main reason is that the changes in the structure and properties of the welding heat-affected zone are more sensitive to the welding heat input, the heat-affected zone has an increased tendency to harden, the laminar tearing tendency is large, and there is a danger of reheating cracks, etc.