Carbon steel tee design and production process must consider its hardness standards, so how to improve its hardness standards, through the discussion we found that carbon steel tee need to carry out heat treatment methods, next we come to understand about the heat treatment of carbon steel tee these common sense, carbon steel tee heating to be sure to temperature and constant temperature for a while, then make it slowly cooling, called annealing.
Heat treatment of carbon steel tee
The annealing of hot press tee is a heat treatment method of heating steel to a changed or partially changed temperature and slowly cooling after constant temperature.
The significance of annealing is to solve the structural defects, improve the structure, make the composition symmetrical and optimize the grain, improve the physical properties of hot pressing tee, and reduce the residual stress
In addition, it can reduce the hardness standard, improve the plasticity and flexibility, and improve the cutting characteristics. Therefore, annealing is not only in order to solve and improve the structural defects and internal stresses left over from the previous process, but also to make plans for the later process, so annealing is an exclusive semi-product heat treatment, also known as prior heat treatment.
Quenching is the heat treatment method of heating the hot pressed tee to the critical level, so that the hot pressed tee is converted into symmetrical austenite, and then it is naturally cooled in the air.
It can solve the network cementite of the analytical hot pressing tee. The quenching of the sub-analytical hot pressing tee can optimize the grain boundary and improve the overall physical properties. It is more economical to replace the annealing process with quenching for the parts with lower requirements.
Quenching is to heat the hot press tee to the critical pressure, constant temperature for a while, and then quickly put into the quenching agent, so that the temperature is abruptly reduced, to exceed the critical cooling speed speed to accelerate the cooling, and get a martensitic unbalanced structure heat treatment method.
Processing method for producing carbon steel tee
The mold includes an upper mold and a lower mold. The lower die is provided with a processing cavity, and the upper die is provided with a processing block matching the shape of the processing cavity, and the processing cavity is a horizontal T-shape.
In addition to the T-shaped intersection point, the intersection of the section of the processing cavity is semi-circular, and the opening of the section is located on the upper surface of the lower die, thus changing the processing method of the tee pipe, processing two semi-circular carbon steel tees one by one. The openings of the two are welded, and the openings of the pipe joints are welded to increase the contact surface between the two and reduce the difficulty of welding.
